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Model: NACHI 528/522 - The imperial tapered roller bearings>
Bearing Size
d = 47.625D = 101.6
B = 36.068
T = 34.925
C = 26.988
a = 12.7
da(min) = 62
db(max) = 55
Da(min) = 89
Db(min) = 95
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 528
Mass(Cup) = 522
Basic load rating: 139000
Basic load rating: 139000
Rated static load: 171000
Limit speed（Grease lubrication）: 3700
Limit speed（Oil lubrication） 5000
