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Model: NACHI HM218248/HM218210 - The imperial tapered roller bearings>
Bearing Size
d = 89.974D = 146.975
B = 40
T = 40
C = 32.499
a = 9.2
da(min) = 112
db(max) = 99
Da(min) = 133
Db(min) = 141
r1(min) = 7.1
r2(min) = 3.6
Mass(Cone) = HM218248
Mass(Cup) = HM218210
Basic load rating: 206000
Basic load rating: 206000
Rated static load: 310000
Limit speed（Grease lubrication）: 2100
Limit speed（Oil lubrication） 3000
