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Model: NACHI 6460/6420 - The imperial tapered roller bearings>
Bearing Size
d = 73.025D = 149.225
B = 54.229
T = 53.975
C = 44.45
a = 15.1
da(min) = 93
db(max) = 87
Da(min) = 129
Db(min) = 140
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 6460
Mass(Cup) = 6420
Basic load rating: 284000
Basic load rating: 284000
Rated static load: 410000
Limit speed（Grease lubrication）: 2500
Limit speed（Oil lubrication） 3400
