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Model: NACHI 6580R/6535 - The imperial tapered roller bearings>
Bearing Size
d = 88.9D = 161.925
B = 55.1
T = 53.975
C = 42.863
a = 12.9
da(min) = 109
db(max) = 98
Da(min) = 141
Db(min) = 154
r1(min) = 3.6
r2(min) = 3.2
Mass(Cone) = 6580R
Mass(Cup) = 6535
Basic load rating: 316000
Basic load rating: 316000
Rated static load: 471000
Limit speed（Grease lubrication）: 2000
Limit speed（Oil lubrication） 2800
