All Brands
Model: NACHI 28985/28921 - The imperial tapered roller bearings>
Bearing Size
d = 60.325D = 100
B = 25.4
T = 25.4
C = 19.845
a = 2.6
da(min) = 73
db(max) = 67
Da(min) = 89
Db(min) = 96
r1(min) = 3.6
r2(min) = 3.2
Mass(Cone) = 28985
Mass(Cup) = 28921
Basic load rating: 91400
Basic load rating: 91400
Rated static load: 137000
Limit speed（Grease lubrication）: 3100
Limit speed（Oil lubrication） 4300
