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Model: NACHI 3878/3820 - The imperial tapered roller bearings>
Bearing Size
d = 36.512D = 85.725
B = 30.162
T = 30.162
C = 23.813
a = 8.2
da(min) = 57
db(max) = 50.3
Da(min) = 73
Db(min) = 81
r1(min) = 0.8
r2(min) = 3.3
Mass(Cone) = 3878
Mass(Cup) = 3820
Basic load rating: 91000
Basic load rating: 91000
Rated static load: 115000
Limit speed（Grease lubrication）: 4300
Limit speed（Oil lubrication） 6000
