Spherical roller bearing lubrication

Spherical roller bearing need to be lubricated to operate stable and keep the smooth rolling between the raceway and the rollers and the cage,thus it will be decrease the friction of the metals,the lubrication also can keep the surfaces of the spherical roller bearing against corrosion,how to choose the proper lubrition,its very important work,let talk about it.

 

Spherical roller bearing lubrication have so much brand and grade of grease,oils and more the other materials,so its very important to select a right method for lubrication,its according to the spherical roller bearing application's working condition,for example the speed or operating temperature,and the applications also affect  the selection process like vibration and loads demand.

 

Spherical roller bearing have their special design for lubrication, one lubrication groove and three lubrication hole on the outer ring,or lubrication holes on the inner ring,spherical roller bearing usually used the lubrication oil,now let's compare with the grease and oil.

 

Spherical roller bearing grease lubrication can reach 65 percent-80percent of the Oil lubrications for limiting speed,the oil lubrication can release the heat when the bearing working.its very complex when change the grease than oil. normally ,when the bearing operation under 50 degree and little dust we suggest change the oil 1time per year,but if the oil temperature above 100 degree,it must be changed within 3months,and its forbidden to use diffent brand oil work together.

XRB is the China bearing manufacturer & factory & exporter & supplier ,it can supply Plummer block housings with spherical roller bearings, Our large quantity Plummer block housings Stock can meet your need with lowest price and fast delivery

 

We accepted DHL,FEDEX,TNT express for small order and samples order,also the transportation By AIR or By Sea,by Train are all available.we are sure we can ship Plummer block housings to your office at the first time.

 

E-mail: brandbearings@gmail.com, 

Skype:brandbearings

www.xrbearing.com

Materials of spherical roller bearing

Spherical roller bearing with chrome steel material is very common in our bearing industry,and this kind of material bearing used brass cage or pressed cage and also can be nylon cage,just like CA(One-piece solid cage),CC(two piece press steel cage),MB(Two piece brass cage),TVPB( nylon cage),and with the spherical rollers ,these design of spherical roller bearing is the widely used in many applications.

 

With the development of industry and the improvement of the market,some application need the spherical roller bearing have the anti corrosion and lower noise ,just like the Medical Devices, Cryogenic Engineering,Optical Instruments,food process machine,so stainless steel spherical roller bearing appeared,this kind of bearing adopted AISI SUS440C(9Cr180Mo) stainless steel material,the cage is AISI304 stainless steel,and working with the high quality lubrication oil or grease,it can working high or low temperature than the chrome steel spherical roller bearing.

 

Theoretically speaking the spherical roller bearing can be made of ceramic material,but its very high cost and less market demand,so we don't talk about this kind of matarial about spherical roller bearing.
 

The raceway of Spherical roller bearing have the radian feature,and also the big and wide size ,so its very difficult in processing then the other kinds of bearings,XRB will supply  Optimization Configuration for your application,for example the selection of size,the cage for the the working condition,the lubrication,the seals and more details,we alway give our valuable customers the best solution of the bearing.

XRB is the China bearing manufacturer & factory & exporter & supplier ,it can supply Plummer block housings with spherical roller bearings, Our large quantity Plummer block housings Stock can meet your need with lowest price and fast delivery

 

We accepted DHL,FEDEX,TNT express for small order and samples order,also the transportation By AIR or By Sea,by Train are all available.we are sure we can ship Plummer block housings to your office at the first time.

 

E-mail: brandbearings@gmail.com, 

Skype:brandbearings

www.xrbearing.com

spherical roller bearing size chart

Many spherical roller bearing end user have so many question about of this kind of bearings--spherical roller bearing size,this time let us show you the spherical roller bearing size chart,you can see clearly about the common spherical roller bearing.

 

First of all,what is spherical roller bearings, we can see on the words,its must be have spherical rollers,and there are one spherical raceway on the outer ring and two raceway on the inner ring,some design of spherical roller bearing used the brass cage(CA,MB,MA,M),Some design need pressed steel cage(E,E1,CC,CD,EJ,EA),some special appliations like vibrating screen equipment we adopt the special cage design to meet the high demand about the bearings,and now i show the spherical roller bearing size chart for your reference:

These are some  size of our spherical roller bearing,and more 23000 and 24000 series spherical roller bearing and more special spherical roller bearing we can supply,just contact with our sales team.

XRB is the China bearing manufacturer & factory & exporter & supplier ,it can supply Plummer block housings with spherical roller bearings, Our large quantity Plummer block housings Stock can meet your need with lowest price and fast delivery

 

We accepted DHL,FEDEX,TNT express for small order and samples order,also the transportation By AIR or By Sea,by Train are all available.we are sure we can ship Plummer block housings to your office at the first time.

 

E-mail: brandbearings@gmail.com, 

Skype:brandbearings

www.xrbearing.com

Spherical roller bearing manufacturers of China

Spherical roller bearing manufacturers of China

 

Spherical roller bearing also named self-aligning roller bearing,this kind of bearing is widely used in Heavy duty Industrial applications like Rolling Mill,paper-making machine,metallury ,Cement ,wind power etc.,this kind of bearing must be high quality level,there are some famous brand like FAG from Germany,TIMKEN from America,NSK,NTN,KOYO,NACHI from Japan,ZKL from Czech,ZWZ,TWB, EASIER from China,this time we introduce the spherical roller bearing manufacturers of China. Spherical roller bearing manufacturer located in three place in China,Dalian,Wuxi and Shandong.

 

ZWZ belong to Wafangdian bearing group company,this factory located in Wafangdian city of Liaoning, the North-East area of China,ZWZ is the first bearing manufacturer and the industrial foundation of China,it can manufacture different structure double-row spherical roller bearing,split spherical roller bearing according to the customers demands,ZWZ spherical roller bearing can be design with CA brass cage,PO,P6 precision grade can be produced,P5 grade bearings can be customed by customers requirement,and at present ZWZ manufacture pressed steel spherical roller bearing with suffix(CC),ZWZ spherical roller bearing is the top quality in China.

 

TWB spherical roller bearing is located in Wuxi city,Jiangsu Didabei bearing company is proud of its quality in spherical roller bearing,TWB feature:

 

1.low speed,high resistance to impact,vibration

2.able to self-aligning

3.mainly bear big radial load

4.can take fair axial load

 

TWB spherical roller bearing can be different design with C cage,As second generation design, it features a stamped steel cage and strengthened symmetric roller and can offer considerable higher load ratings than conventional designs. As an alternative design of second generation, it features a precise machined brass cage and strengthened symmetric roller and has equal load ratings with C design. Therefore it can replace C design, especially for large size bearing.TWB spherical roller bearing used in primary metal,power transmission,coal mining machinery,paper making machinery,hoisting&conveying machinery,Elevator equipment and the other applications.

 

EASER Brand comes from XRB-ZWA BEARING INDUSTRY CO.Limited,its products including:

 

single row spherical roller bearing,

double row spherical roller bearing,

sealed spherical roller bearing,

split spherical roller bearings

 

EASIER bearing can supply complete size spherical roller bearing with CA,CC cage in our stock, Pressed steel cage E,E1,EAE4 and Brass cage (MB) also can be avaiable for most of the size, EASIER is the exclusive manufacturer who can produce full size sealed spherical roller bearing and single row spherical roller bearings,this brand only supply the top quality for its customers all over the world.

XRB is the China bearing manufacturer & factory & exporter & supplier ,it can supply Plummer block housings with spherical roller bearings, Our large quantity Plummer block housings Stock can meet your need with lowest price and fast delivery

 

We accepted DHL,FEDEX,TNT express for small order and samples order,also the transportation By AIR or By Sea,by Train are all available.we are sure we can ship Plummer block housings to your office at the first time.

 

E-mail: brandbearings@gmail.com, 

Skype:brandbearings

www.xrbearing.com

FAG sealed spherical roller bearings

 

FAG sealed spherical roller bearings also named sealed self-aligning roller bearing,its special design for some special applications where need clean and maintenance-free environment.Sealed spherical roller bearing have double row barrel rollers,two raceway on the inner ring and one raceway on the outer ring,the spherical rollers orient themselves freely on the concave outer ring raceway. as a result,shaft flexing and misalignment of the bearing seats are compensated. 

 

Sealed spherical roller bearing have advantage than normal self-aligning roller bearings.

 

1.very high basic dynamic and static load ratings.

2.lower frictional torque compared to the competition

3.lower grease consumption and disposal costs.

4.no requirement for expensive relubrication systems

5.longer operating life of the bearing

 

Sealed spherical roller bearing are suitable for many applications like continuous casting  plant, conveyor belts,elevator plant and the food industry.FAG sealed spherical roller bearing series 222,223,230,231,232 bearing with an oversize width are identified by the prefix WS(WS=Wide Size) like WS22215-E1-2RSR,the cage of self-aligning roller bearing have solid brass cage and sheet steel cage design,FAG adopt lubricant KP2K-20 for sealed spherical roller bearing,it can working reliable under the temperature range of -20 to +130 degree, 20% to 40% grease fill level in the bearing is interior.

 

In the standard version,sealed spherical roller bearing with designation WS have a circumferential groove and three lubrication holes in the outer ring,bearing with F-numbers have no circumferential groove and no lubrication holes.the contact seals are made from nitrile rubber(NBR),suitable for temperatures of -40+100 degree(short periods up to +120 degree).

 

FAG sealed spherical roller bearing can be interchange each other with  EASIER,NSK,NTN,SKF, ZKL, NACHI sealed spherical roller bearing,the seals are made from Rubber or metal shield,they have the same function for keep the internal of spherical roller bearing cleaning and free relubrication,

 

WS22205-E1-2RSR

WS22206-E1-2RSR

WS22207-E1-2RSR

WS22208-E1-2RSR

F808529.PRL

WS22209-E1-2RSR

WS22210-E1-2RSR

WS22211-E1-2RSR

WS22310-E1-2RSR

WS22212-E1-2RSR

WS22312-E1-2RSR

WS22213-E1-2RSR

WS22314-E1-2RSR

WS22214-E1-2RSR

WS22215-E1-2RSR

F-803042.PRL

WS22216-E1-2RSR

WS22217-E1-2RSR

F-803007.PRL

F-803031.PRL

WS22218-E1-2RSR

F-803007.PRL

F-803031.PRL

WS22218-E1-2RSR

F-803008.PRL

F-803032.PRL

WS22220-E1-2RSR

F-803000.PRL

WS22222-E1-2RSR

F-803013.PRL

F-803063.PRL

24122-E1-2VSR-H40

F-803034.PRL

WS22224-E1-2RSR

24024-E1-2VSR-H40

24124-E1-2VSR-H40

WS22226-E1-2RSR

F-803045.PRL

24026-E1-2VSR-H40

24126-E1-2VSR-H40

F-803051.PRL

F-803061.PRL

24028-E1-2VSR-H40

24128-E1-2VSR-H40

24030-E1-2VSR-H40

24130-E1-2VSR-H40

F-803010.PRL

24032-E1-2VSR-H40

24132-E1-2VSR-H40

F-803057.PRL

24034-E1-2VSR-H40

24134-E1-2VSR-H40

24036-E1-2VSR-H40

24136-E1-2VSR-H40

F-803039.PRL

F-809822.PRL

24038-E1-2VSR-H40

24138-E1-2VSR-H40

F-803046.PRL

F-803067.PRL

24040-E1-2VSR-H40

24140-E1-2VSR-H40

F-808418.PRL

F-803054.PRL

F-803053.PRL

24144-E1-2VSR-H40

F-803056.PRL

 

XRB is the China bearing manufacturer & factory & exporter & supplier ,it can supply Plummer block housings with FAG Sealed spherical roller bearings, Our large quantity Plummer block housings Stock can meet your need with lowest price and fast delivery

 

We accepted DHL,FEDEX,TNT express for small order and samples order,also the transportation By AIR or By Sea,by Train are all available.we are sure we can ship Plummer block housings to your office at the first time.

 

E-mail: brandbearings@gmail.com, 

Skype:brandbearings

www.xrbearing.com

Improvement of technology of spherical roller bearing

As we know,the base accuracy of inner ring of spherical roller bearing was damaged under grinding operation,Lead to higher Machining accuracy in the preceding process has been reduced,in severe cases leas scrap.just like the outer diameter of inner ring of the 22215CA/W33 spherical roller bearing,outer diameter is the base standard when griding processing,its related to the accury of the inner ring precision directly,and the width of outer diameter is a little narrow when the spherical roller bearing design,when grinding processing we usually adopted electromagnetism centerless fixture,the support point is cemented carbide,after rough grinding of the inner ring and raceway,base line was weared and reduced precision,so the coming process cannot sure about the quality of spherical roller bearing,after inspection of 22215CA/W33 we got the result ,the round average of outer diameter is 2.7μm after grinding,and the round average of inner ring and raceway increase to 10.6μm.

 

So we change the old technology ,grinding end of the ring→rough grinding outer diameter→super grinding outer diameter→rough inner diameter→rough grinding raceway→super grinding inner diameter→super grinding raceway, change new mathod grinding end of the ring→rough grinding outer diameter→grinding outer diameter→rough grinding inner diameter→rough grinding raceway→good grinding raceway→grinding outer diameter→grinding inner diameter→grinding raceway→super grinding raceway, after the new technology production,the quality of spherical roller bearing can be reach 70% of the FAG,NSK spherical roller bearing service life.

XRB is the China bearing manufacturer & factory & exporter & supplier ,it can supply Plummer block housings with spherical roller bearings, Our large quantity SNR Plummer block housings Stock can meet your need with lowest price and fast delivery

 

We accepted DHL,FEDEX,TNT express for small order and samples order,also the transportation By AIR or By Sea,by Train are all available.we are sure we can ship Plummer block housings to your office at the first time.

 

E-mail: brandbearings@gmail.com, 

Skype:brandbearings

www.xrbearing.com

NSK spherical roller bearing suffix

NSK spherical roller bearing are double row self-aligning bearings capatable of carrying heavy radial loads combined with moderate thrust loads in both direction,it have brass cage and pressed steel cage,the chamfer of NSK spherical roller bearing is black,this design is good for rust protection,they are extremely resistant to shock loads and their self-aligning feature allows full capacity loading despite shaft deflection.

 

Basic Type:

22200:Spherical roller, medium

22300:Spherical roller, heavy

23000:Spherical roller, very light

23100:Spherical roller, light

23200:Spherical roller, medium, wide

23900:Spherical roller, extra light

24000:Spherical roller, very light, wide

24100:Spherical roller, light, wide

 

Lubrication feature of NSK spherical roller bearing

 

E3: Holes only,outer

E4: Groove & holes,outer

E7: Groove & holes,outer & inner

E8: Outer ring with tapped holes in both faces for lifting + E4 feature

 

Bore Type

Blank:cylindrical bore

K:    1:12 tapered bore

K30:  1:30 tapered bore

 

other feature of spherical roller bearing

P52: Outer ring accuracy

P53: Inner ring accuracy

P55: Both ring accuracy

U22: Special inspection measure

 

S11: Inner and outer ring Heat stabilized to 200°C

 

Cage design of NSK spherical roller bearing

 

CAM:One piece brass cage,guide ring

C,CD:two pcs pressed steel cage guide ring

EA:high capacity steel cage

H:two pcs polyamide cage

M:two pcs brass cage

 

For example 23172 CAMKE4C3P53S11,it mean 23172 bearing,Brass cage,1:12 tapered bore,groove & holes,outer ring,C3 clearance,inner ring accuracy and heat stabilized to 200°C both inner and outer ring.

 

More suffix of NSK Spherical roller bearing

 

C2:tight

black:normal

C3:Loose

C4:Extra loose

g:carburized steel,complete bearing

g3:carburized steel ,inner ring only

E42:PLUGS PROVIDED FOR OUTER RING HOLES

E4P55:COMBINATION W33, W4, W31

E4U22:COMBINATION W33, W31

E7U22:COMBINATION W33, W26, W31

P52:OUTER RING WITH EXTRA CLOSE RUNNING ACCURACY

P53:INNER RING WITH EXTRA CLOSE RUNNING ACCURACY

P55:INNER AND OUTER RING W/EXTRA CLOSE RUNNING ACCURACY

U22:SPECIAL INSPECTION MEASURES

XRB is the China bearing manufacturer & factory & exporter & supplier ,it can supply Plummer block housings with NSK spherical roller bearings, Our large quantity NSK spherical roller bearing Stock can meet your need with lowest price and fast delivery

 

We accepted DHL,FEDEX,TNT express for small order and samples order,also the transportation By AIR or By Sea,by Train are all available.we are sure we can ship SNR Plummer block housings to your office at the first time.

 

E-mail: brandbearings@gmail.com, 

Skype:brandbearings

www.xrbearing.com

Sealed spherical roller bearing benefits

Sealed spherical roller bearing offer long-life performance,are very highly reliable under harsh & contaminated conditions. and promate a clean working environment,

 

1.Nitride rubber seal – or differing seals depending on temperature needs.

2.Special long-life grease: heat & pressure resistant

3.Symmetrical roller & raceway design to prevent edge loading problems.

4.Special chamfer configuration for smooth axial movement.

5.Available in sealed-clean or grease replenishing types, with shields.

 

Sealed spherical roller bearings benefit are characterised by:

 *very high basic dynamic and static load ratings

 *lower frictional torque compared to the competition

 *environmentally friendly characteristics

 *lower grease consumption and disposal costs

 *no requirement for expensive relubrication systems

 *reduced maintenance outlay

 *simple reconditioning of series 240 and 241

 *longer operating life of the bearing.

 *Seals design secures seal dislodging & better running.

 *Symmetrical rollers operate under high-load conditions

 *Available in sealed-clean or grease replenishing types, with shields.

 

The seals for these bearings are made of rubber and reinforced with a steel plate. The options available are made of materials resistant to wear and lubricating oil, such as:

 

- nitrile rubber (NBR): suffix ORN

 

- hydrogenated nitrile rubber (HNBR): suffix ORH

 

- fluorinated rubber (FKM): suffix ORF

 

The internal design of a sealed bearing corresponds to that of an open bearing. The external  dimensions are also the same except for bearings based on the 222 and 223 series. These  bearings are slightly wider and carry the series designation LB-22 and LB-23 respectively.Sealed two-row spherical roller bearing have three barrier protection including sealed two-row spherical roller bearing,bearing body filled in 70% to 90% with grease and external labyrlth seal,representing a very efficient solution.

XRB is the China bearing manufacturer & factory & exporter & supplier ,it can supply  SNR Plummer block housings with spherical roller bearings, Our large quantity SNR Plummer block housings Stock can meet your need with lowest price and fast delivery

 

We accepted DHL,FEDEX,TNT express for small order and samples order,also the transportation By AIR or By Sea,by Train are all available.we are sure we can ship SNR Plummer block housings to your office at the first time.

 

E-mail: brandbearings@gmail.com, 

Skype:brandbearings

www.xrbearing.com

Sealed spherical roller bearing installation or removal

When the sealed spherical roller bearing installation or removal,its easier if we adopt Clearance fit than interference fit,once we have to use interference fit under some particular working situation ,at the meanwhile the sealed spherical roller bearing must be easy installation and removal,its better to choose tapered bore sealed spherical roller bearing,so this kind of sealed spherical roller bearing can be installed to the neck journal with tapered bore,as well as install in the optic axis or multi-diameter shaft working with adapter sleeve and withdrawal sleeve.

XRB is the China bearing manufacturer & factory & exporter & supplier ,it can supply  SNR Plummer block housings with spherical roller bearings, Our large quantity SNR Plummer block housings Stock can meet your need with lowest price and fast delivery

 

We accepted DHL,FEDEX,TNT express for small order and samples order,also the transportation By AIR or By Sea,by Train are all available.we are sure we can ship SNR Plummer block housings to your office at the first time.

 

E-mail: brandbearings@gmail.com, 

Skype:brandbearings

www.xrbearing.com

ZWZ spherical roller bearing CC cage on the market

ZWZ CC cage spherical roller bearing on the market

 

6th,December,China Bearing mnufacturer Wafangdian Bearing Group(ZWZ shorted) held new spherical roller bearing lauch,ZWZ introduced their new spherical roller bearing CC type,which adopt international advanced design and possess high speed,high carrying capacity,high rotational flexibility,low noise features,good quality and performance with international brand spherical roller bearing.

CC type spherical roller bearing are widely used in Gearbox,Blower equipment,paper making machine, Rolling Mill equipment,shipping,Mine,Electric power and more industry applications and the foreign companies monopolize the high-end equipment areas for the CC type spherical roller bearings,and now ZWZ start to invest into mass production for spherical roller 

bearings,it can produce inner ring from 45mm to 420mm ,heavy,middle,light series CC type 

spherical roller bearing,and has 1.3 millon pcs spherical roller bearing production capacity, in fact the CC type spherical roller bearing improved 20% Speed limit and 30% Fatigue Life than CA self aligning roller bearing.

XRB is the China bearing manufacturer & factory & exporter & supplier ,it can supply  SNR Plummer block housings with spherical roller bearings, Our large quantity ZWZ CC cage spherical roller bearings Stock can meet your need with lowest price and fast delivery

 

We accepted DHL,FEDEX,TNT express for small order and samples order,also the transportation By AIR or By Sea,by Train are all available.we are sure we can ship SNR Plummer block housings to your office at the first time.

 

E-mail: brandbearings@gmail.com, 

Skype:brandbearings

www.xrbearing.com

Why sealed spherical roller bearing

Why sealed spherical roller bearing

Sealed spherical roller bearing is better lubrication function and working condition than spherical roller bearing,Full performance of its Feature,so it can extend service life than normal design,but this design must be use high quality seals to prevent lubricant leakage and dust,moisture or other contaminants invasion,our sealing can be divided into self lubrication and plus seals.

 

For sealed spherical roller bearing choose,we need to consider some major factors as follows

Bearing lubricant and types;Bearing working environment,The size of the space occupied,characteristics of the supporting structure of the shaft,Allowable angle deviation;The peripheral speed of the sealing surface; operating temperature of the bearing;cost of manufacture.sealed spherical roller bearing don't need to lubrication any more as usual.

When spherical roller bearing mounting,we must make sure to right adjust for friction and vibrating,it will be better than normal spherical roller bearing.under the sealed spherical roller bearing operating ,temperature,vibration and noise also under monitered,from this data ,we can see the condition of the sealed spherical roller bearing and machine,make sure the testing work and solve the problem in advance to prevent the machine accidentally pause,decrease the cost of repairment and improve the production and efficiency of the machine.Under the process of sealed spherical roller bearing,how to choose lubricant oil or grease is very important.

XRB is the China bearing manufacturer & factory & exporter & supplier ,it can supply  SNR Plummer block housings with spherical roller bearings, Our large quantity SNR Plummer block housings Stock can meet your need with lowest price and fast delivery

 

We accepted DHL,FEDEX,TNT express for small order and samples order,also the transportation By AIR or By Sea,by Train are all available.we are sure we can ship SNR Plummer block housings to your office at the first time.

 

E-mail: brandbearings@gmail.com, 

Skype:brandbearings

www.xrbearing.com

Sealed spherical roller bearing cage

Sealed spherical roller bearing is one kind of spherical roller bearing,also named sealed self-aligning roller bearing,this kind of bearing are widely used in heavy duty capacity applications,it consist of double row drum rollers and inner ring,outer ring and cages,most of the spherical roller bearing are made of high quality chrome steel as well as element,but cage has so many kind of design according to material and

design,brass cage,pressed steel cage,nylon cage,it depend on different manufacturer to make sure the best solution for the application,so it can the reliable moving and long service life.

 

The most normal cage design of sealed spherical roller bearing is brass cage(CA) and Pressed steel cage(CC),it adopt NRB material seals to prevent the dusty away from the internal of bearing,its better design for lubricatioin than open spherical roller bearing,sealed spherical roller bearing can be working reliable under the temperature -40~120 ℃.

 

Advantage of sealed spherical roller bearing

* lower frictional torque compared to the competition

* environmentally friendly characteristics

* lower grease consumption and disposal costs

* no requirement for expensive relubrication systems

* reduced maintenance outlay

* simple reconditioning of series 240 and 241

* longer operating life of the bearing.

 

Sealed spherical roller bearing can be used in Continuous casting plant,Elevator systems,sealed spherical roller bearing can be tapered bore and cylindrical bore,this design can save cost for the customers,and decrease the maintenance of the machine,improve the working efficience.

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The seals of Sealed spherical roller bearing

Sealed spherical roller bearing is special design of spherical roller bearing,this design is double contacted seals on the spherical roller bearing,the sealing ring are made of steel frame rubber which can anti-oil and abrasion resistant.

 

1. Nitrile rubber(NBR),spherical roller bearing suffix 2CS

2. Hydrogenated nitrile rubber(HNBR),Suffix 2CS5

3. Fluorine rubber(FPM),suffix 2CS2

 

Please note:

Under above 300 degree temperature ,the rubber seals will be release Poisonous gas,so please

use under normal working conditions and less 200 degree temperature.

 

The sealing ring is fixed in the groove of the outer ring.for smaller bearing,sealing ring will be step up by groove,for larger bearing,sealing ring can use fix in the groove by cramp ring,The seal lip contact on both sides position of the inner ring raceway side,its usefull seals for spherical roller bearing.

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Sealed spherical roller bearing lubrication

Sealed spherical roller bearing lubrication

 

Before install sealed spherical roller bearing,its not allowed exceed 80degree temperature when clean or heat the bearing,sealed spherical roller bearing don't need lubricant when the working temperature under 70 degree and the speed is lower than half of the limited,if the bearing working under the high speed and high temperature situation,the bearings must be lubricated with Lithium based grease,the Plastic belt must be moved which covered the lubrication hole of the outer ring.

 

Sealed spherical roller bearing lubrication,there is only little amount lubrication grease,

we need inject the lubrication grease into the lubrication holes of the outer ring slowly,and meanwhile,move the bearing,make the new lubrication grease uniform distributed during the rollers and raceway of the bearings. what we need to attention is to avoid much pressure when injection ,to prevent damage to the sealing ring of the sealed spherical roller bearing.

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Effect of operating temperature on sealed spherical roller bearing material

Effect of operating temperature on sealed spherical roller bearing material

All of sealed spherical roller bearing are passed special heat treatment,they can working stable under high temperature very long time,and the size would not be change,for example operation about 2500hours under the +200 temperature,or much high temperature at shorter time,but if the temperature more than 300 degree,you must take care about the sealing ring of the sealed spherical roller bearing,it would be make poisonous gases.

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Axial load capacity of sealed spherical roller bearing

Axial load capacity of sealed spherical roller bearing

 

The special internal design of sealed spherical roller bearing,can carry very heavy axial load,  even full axial load,sealed spherical roller bearing with adpter sleeve can install the shaft without shoulder,the friction between the shaft and adpter sleeve decide the axial load the bearing carrying.

Sealed spherical roller bearing usually used in elevator, and the other industry application.its Maintenance free bearing prepared with open spherical roller bearing.XRB can produce the complete sealed spherical roller bearing and much more stock for market.

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Minimum load of sealed spherical roller bearing

Minimum load of sealed spherical roller bearing

 

In order to get good operation of sealed spherical roller bearing,this kind of bearing like the other ball and roller bearing,must take a certain minimum load,especially in high speed or high acceleration,Or in the direction of the load quickly changed to work,under these work conditions,the effective force of rollers & cage and and friction of lubrication will have and adverse effect on the sealed spherical roller bearing, the sliding motion of the bearing damage maybe generated between the rollers and raceways of sealed spherical roller bearing.

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Installation of sealed spherical roller bearing with tapered bore

Installation of sealed spherical roller bearing with tapered bore

 

The sealed spherical roller bearing with tapered bore is generally installed in the interference fit,The amount of interference can be determined by measuring the radial clearance reduction or axial displacement of inner ring in the shaft neck of sealed spherical roller bearing with tapered bore.

 

Method for install tapered bore sealed spherical roller bearing with including:

 

1.Measurement clearance reduction

2.Measurement of lock angle of the lock nut.

3.Measurement of axial advancing distance

4.Measurement inner ring expansion

 

For the small size(inner ring 110mm and smaller size) for sealed spherical roller bearing, 

Can be installed by measuring the locking angle of the lock nut.

 

For the larger sealed spherical roller bearing,our suggestion is Hydraulic pressure advancing method,this method is more time save and accurate than measurement of clearance reduction and locking angle of the lock nut.

 

For extra large sealed spherical roller bearing installtion,electronic control installtion method can be adopted to measure expand of inner ring,its more easier,fast and accurate.

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Measuring clearance reduction of sealed spherical roller bearing

Measuring clearance reduction of sealed spherical roller bearing

 

To measure the radial clearance before and after installation by feeler is only suitable for medium and large size sealed spherical roller bearing,when measuring clearance of sealed spherical roller bearing,the position must be choosen no load capacity between rollers and raceway of the outer ring, before measurement,the outer ring must be rotated several circles.and its necessary to determine the center line of inner and outer ring can be overlapped each other.at the first time measurement,feeler can be choosen a little thin than minimum clearance ratio,and then using a slightly thick feeler to repeat measurement.

until certain resistance happenned when movement.

 

1.Before installation. between outer ring and the highest rollers

2.After installcation,aacording to different cage of sealed spherical roller bearing,between the inner or outer ring and the lowest rollers.

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What is sealed spherical roller bearing

What is sealed spherical roller bearing 

Sealed spherical roller bearing have inner ring(two raceway) and outer ring(one raceway),assembly with drum rollers and double side rubber seals(NBR),The curvature centre of outer ring raceway are consistent with the bearing center,so it has the same functions as the automatic adjustment of self-aligning ball bearing,in case of the shaft or shell deflection,it can adjust the load and two direction of axial load.sealed spherical roller bearing have radial load capacity,so it is suitable heavy duty capacity and impact load.the sealed spherical roller bearing with tapered bore can be installed directly.or working with adpter sleeve to the shaft,the cage can be design Pressed steel,nylon cage and brass cage.Sealed spherical roller bearing is better design than open spherical roller bearing,this design can keep away the dust from the raceway of the bearings

XRB bearing can produce sealed spherical roller bearings,all of XRB sealed spherical roller bearings bearing are made of chrome steel, each spherical roller bearings must be 100% testing before Packing, sealed spherical roller bearings are the same quality with FAG,NSK,NTN,TIMKEN,SNR bearings. spherical roller bearings are popular size that could be used in many applications.
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NSK Sealed spherical roller bearings

 

NSK sealed spherical roller bearing is one design of NSK spherical roller bearing,this kind of bearing offer long-life service and strong reliable ,promote nice working environment than open spherical roller bearing.NSK is the top 1 Japan bearing manufacturer,it also rank top 3 in the world,NSK bearing scope :deep groove ball bearing,tapered roller bearing,spherical roller bearing,cylindrical roller bearing,thrust ball bearing,thrust roller bearing,self-aligning ball bearing,angular contact ball bearing and super precision ball & roller bearings.

 

NSK sealed spherical roller bearing features:

 

Reliability

1.special grease:heat and pressure resistance are ensured using a special long-life and high quality grease.

 

2.special seal:the sealing are adpoted an outward extending,spring-loaded lip seal made of Nitrile rubber.

 

3.symmetric drum rollers:rollers and raceway surface are designed to prevent edge loading at the contact points under high load operating conditions.

 

4.special chamer:the chamfer configuration of the outer ring outer bore offers smooth axial movement of the bearing at the free end.

 

Reduced maintenance costs

Achives longer life by adopting high cleanliness and vacuum-degassed steel extended maintenance intervals improve operating efficiency and conserve grease

 

Temperature:

NSK supply different sealing materials depending on operating temperature of the bearing.

Environmentally friendly No grase leakage keeps operating environment clean.

 

50SLE9075DDE4

50SLE1175DDE4

55SLE1075DDE4

55SLE1275DDE4

60SLE1175DDE4

60SLE1375DDE3

65SLE1275DDE4

65SLE1475DDE4

70SLE1275DDE4

70SLE1575DDE4

75SLE1375DDE4

75SLE1675DDE4

80SLE1475DDE4

80SLE1775DDE4

85SLE1575DDE4

85SLE1875DDE4

90SLE1675DDE4

90SLE1636DDE4

90SLE1975DDE4

95SLE1775DDE4

95SLE1766DDE4

95SLE2075DDE4

100SLE1525DDE4

100SLE1536DDE4

100SLE1635DDE4

100SLE1666DDE4

100SLE1875DDE4

100SLE1836DDE4

100SLE2175DDE4

110SLE1725DDE4

110SLE1736DDE4

110SLE1835DDE4

110SLE1836DDE4

110SLE2075DDE4

110SLE2036DDE4

110SLE2475DDE4

120SLE1825DDE4

120SLE1836DDE4

120SLE2035DDE4

120SLE2036DDE4

120SLE2175DDE4

120SLE2136DDE4

120SLE2675DDE4

130SLE2025DDE4

130SLE2036DDE4

130SLE2135DDE4

130SLE2136DDE4

130SLE2375DDE4

130SLE2336DDE4

130SLE2835DDE4

 

The meaning of suffix

 

For example

 

85SLE1575DDE4 sealed spherical roller bearing

 

85 bearing bore

SLE bearing type

1575 basic number

DD seal

E4 Outer ring with groove and oil holes

 

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