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Model: NACHI 15580/15520 - The imperial tapered roller bearings>
Bearing Size
d = 26.988D = 51.15
B = 17.462
T = 17.462
C = 13.495
a = 2.8
da(min) = 38.5
db(max) = 32
Da(min) = 51
Db(min) = 53
r1(min) = 3.5
r2(min) = 1.5
Mass(Cone) = 15580
Mass(Cup) = 15520
Basic load rating: 42500
Basic load rating: 42500
Rated static load: 49000
Limit speed（Grease lubrication）: 6700
Limit speed（Oil lubrication） 9000
