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Model: NACHI 42683/42620 - The imperial tapered roller bearings>
Bearing Size
d = 73.025D = 127
B = 31
T = 30.162
C = 22.225
a = 2.8
da(min) = 88
db(max) = 81
Da(min) = 114
Db(min) = 121
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 42683
Mass(Cup) = 42620
Basic load rating: 131000
Basic load rating: 131000
Rated static load: 181000
Limit speed（Grease lubrication）: 2800
Limit speed（Oil lubrication） 3700
