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Model: NACHI 6580/6535 - The imperial tapered roller bearings>
Bearing Size
d = 88.9D = 161.925
B = 55.1
T = 53.975
C = 42.862
a = 13.1
da(min) = 109
db(max) = 101.9
Da(min) = 141
Db(min) = 154
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 6580
Mass(Cup) = 6535
Basic load rating: 305000
Basic load rating: 305000
Rated static load: 460000
Limit speed（Grease lubrication）: 2200
Limit speed（Oil lubrication） 3000
