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Model: NACHI 25580/25520 - The imperial tapered roller bearings>
Bearing Size
d = 44.45D = 82.931
B = 25.4
T = 23.812
C = 19.05
a = 6.2
da(min) = 57
db(max) = 50
Da(min) = 74
Db(min) = 77
r1(min) = 3.5
r2(min) = 0.8
Mass(Cone) = 25580
Mass(Cup) = 25520
Basic load rating: 78500
Basic load rating: 78500
Rated static load: 98000
Limit speed（Grease lubrication）: 4500
Limit speed（Oil lubrication） 6000
