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Model: NACHI 3578/3525 - The imperial tapered roller bearings>
Bearing Size
d = 44.45D = 87.312
B = 30.886
T = 30.162
C = 23.812
a = 10.2
da(min) = 57
db(max) = 51
Da(min) = 75
Db(min) = 81
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 3578
Mass(Cup) = 3525
Basic load rating: 90000
Basic load rating: 90000
Rated static load: 110000
Limit speed（Grease lubrication）: 4300
Limit speed（Oil lubrication） 6000
