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  1. INA Main shaft bearing

Main shaft bearing>B71921-E-T-P4S

Adjustment, pair or unit mounting, contact angle α= 25°, restricted tolerance

d105 mm
D145 mm
B20 mm
a39 mm
Da p2138 mm
da h12112 mm
r1 min1,1 mm
ra max0,6 mm
ra1 max0,6 mm
rmin1,1 mm
m0,8 kg
Weight
Cr55000 N
Basic dynamic load rating,Path item
C0r60000 N
Basic static load rating,Path item
f016,5
nG Fett7500 1/min
Limit speed during grease lubrication
nG Öl12000 1/min
Limit speed with minimum oil lubrication
Cur3900 N
Fatigue limit load,Path item
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