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Model: NACHI 13889/13830 - The imperial tapered roller bearings>
Bearing Size
d = 38.1D = 63.5
B = 11.908
T = 12.7
C = 9.525
a = 0.8
da(min) = 45
db(max) = 42.5
Da(min) = 59
Db(min) = 60
r1(min) = 1.5
r2(min) = 0.8
Mass(Cone) = 13889
Mass(Cup) = 13830
Basic load rating: 27200
Basic load rating: 27200
Rated static load: 34000
Limit speed（Grease lubrication）: 5400
Limit speed（Oil lubrication） 7300
