All Brands
Model: NACHI 2580/2523 - The imperial tapered roller bearings>
Bearing Size
d = 31.75D = 69.85
B = 25.357
T = 23.812
C = 19.05
a = 8.6
da(min) = 38.5
db(max) = 37.5
Da(min) = 61
Db(min) = 64
r1(min) = 0.8
r2(min) = 1.3
Mass(Cone) = 2580
Mass(Cup) = 2523
Basic load rating: 70000
Basic load rating: 70000
Rated static load: 84000
Limit speed（Grease lubrication）: 5600
Limit speed（Oil lubrication） 7500
