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Model: NACHI 3381/3320 - The imperial tapered roller bearings>
Bearing Size
d = 38.1D = 80.167
B = 30.391
T = 29.37
C = 23.812
a = 18.5
da(min) = 46.5
db(max) = 45.5
Da(min) = 70
Db(min) = 74.8
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 3381
Mass(Cup) = 3320
Basic load rating: 86000
Basic load rating: 86000
Rated static load: 106000
Limit speed（Grease lubrication）: 4800
Limit speed（Oil lubrication） 6400
