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Model: NACHI 55200/55437 - The imperial tapered roller bearings>
Bearing Size
d = 50.8D = 111.125
B = 26.909
T = 30.162
C = 20.638
a = -7.1
da(min) = 71
db(max) = 63.9
Da(min) = 92
Db(min) = 105
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 55200
Mass(Cup) = 55437
Basic load rating: 92000
Basic load rating: 92000
Rated static load: 108000
Limit speed（Grease lubrication）: 3100
Limit speed（Oil lubrication） 4300
