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Model: NACHI 3980/3925 - The imperial tapered roller bearings>
Bearing Size
d = 60.325D = 112.713
B = 30.048
T = 30.162
C = 23.812
a = 4.5
da(min) = 74
db(max) = 68
Da(min) = 101
Db(min) = 106
r1(min) = 3.5
r2(min) = 0.8
Mass(Cone) = 3980
Mass(Cup) = 3925
Basic load rating: 118000
Basic load rating: 118000
Rated static load: 172000
Limit speed（Grease lubrication）: 3200
Limit speed（Oil lubrication） 4300
