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  1. INA Main shaft bearing

Main shaft bearing>HCB7228-E-T-P4S

Adjustment, in pairs or unit mounting, contact angle α= 25°, ceramic ball, restricted tolerance

d140 mm
D250 mm
B42 mm
a67 mm
Da p2226,5 mm
da h12163 mm
r1 min3 mm
ra max2,5 mm
ra1 max2,5 mm
rmin3 mm
m6,6 kg
Weight
Cr213000 N
Basic dynamic load rating,Path item
C0r155000 N
Basic static load rating,Path item
nG Fett5300 1/min
Limit speed during grease lubrication
nG Öl0 1/min
Limit speed with minimum oil lubrication
Cur8200 N
Fatigue limit load,Path item
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