All Brands
Model: NACHI 745A/742 - The imperial tapered roller bearings>
Bearing Size
d = 69.85D = 150.089
B = 46.672
T = 44.45
C = 36.512
a = 12
da(min) = 88
db(max) = 82
Da(min) = 134
Db(min) = 142
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 745A
Mass(Cup) = 742
Basic load rating: 252000
Basic load rating: 252000
Rated static load: 345000
Limit speed（Grease lubrication）: 2400
Limit speed（Oil lubrication） 3200
