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Model: NACHI 65212/65500 - The imperial tapered roller bearings>
Bearing Size
d = 53.975D = 127
B = 44.45
T = 44.45
C = 34.925
a = 9.4
da(min) = 77
db(max) = 71
Da(min) = 107
Db(min) = 119
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 65212
Mass(Cup) = 65500
Basic load rating: 198000
Basic load rating: 198000
Rated static load: 258000
Limit speed（Grease lubrication）: 3100
Limit speed（Oil lubrication） 4300
