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Model: NACHI 750/742 - The imperial tapered roller bearings>
Bearing Size
d = 79.375D = 150.089
B = 46.672
T = 44.45
C = 36.512
a = 11.9
da(min) = 96
db(max) = 90
Da(min) = 134
Db(min) = 142
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 750
Mass(Cup) = 742
Basic load rating: 273000
Basic load rating: 273000
Rated static load: 390000
Limit speed（Grease lubrication）: 2400
Limit speed（Oil lubrication） 3200
