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Model: NACHI 480/472 - The imperial tapered roller bearings>
Bearing Size
d = 68.263D = 120
B = 29.007
T = 29.794
C = 24.237
a = 4.1
da(min) = 92
db(max) = 80
Da(min) = 108
Db(min) = 113
r1(min) = 3.6
r2(min) = 2
Mass(Cone) = 480
Mass(Cup) = 472
Basic load rating: 118000
Basic load rating: 118000
Rated static load: 161000
Limit speed（Grease lubrication）: 2700
Limit speed（Oil lubrication） 3700
