2015年12月22日星期二

7308 BEP bearing

7308 BEP bearing
angular contact ball bearing
Origin
Delivery:2days after confirmed


Dimensions
d 40 mm
D 90 mm
B 23 mm
d1 ≈ 59.7 mm
d2 ≈ 49.55 mm
D1 ≈ 71.6 mm
a 39 mm
r1,2 min. 1.5 mm
r3,4 min. 1 mm
Abutment dimensions
da min. 49 mm
Da max. 81 mm
Db max. 84.4 mm
ra max. 1.5 mm
rb max. 1 mm
Calculation data
Basic dynamic load rating C 46.2 kN
Basic static load rating C0 30.5 kN
Fatigue load limit Pu 1.3 kN
Reference speed 9000 r/min
Limiting speed 9000 r/min
Calculation factor kr 0.1
Calculation factor ka 1.6
Calculation factor e 1.14
Bearing pair arranged back-to-back or face-to-face
Calculation factor X 0.57
Calculation factor Y0 0.52
Calculation factor Y1 0.55
Calculation factor Y2 0.93
Single bearing or bearing pair arranged in tandem
Calculation factor X 0.35
Calculation factor Y0 0.26
Calculation factor Y1 0
Calculation factor Y2 0.57
Mass
Mass bearing 0.62 kg
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