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Model: NACHI 480/472A - The imperial tapered roller bearings>
Bearing Size
d = 68.262D = 120
B = 29.007
T = 29.002
C = 23.444
a = 4
da(min) = 82
db(max) = 75
Da(min) = 106
Db(min) = 114
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 480
Mass(Cup) = 472A
Basic load rating: 119000
Basic load rating: 119000
Rated static load: 161000
Limit speed（Grease lubrication）: 3000
Limit speed（Oil lubrication） 4000
