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Model: NACHI 48290/48220 - The imperial tapered roller bearings>
Bearing Size
d = 127D = 182.562
B = 38.1
T = 39.688
C = 33.338
a = 5.6
da(min) = 141
db(max) = 135
Da(min) = 168
Db(min) = 176
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 48290
Mass(Cup) = 48220
Basic load rating: 235000
Basic load rating: 235000
Rated static load: 445000
Limit speed（Grease lubrication）: 1800
Limit speed（Oil lubrication） 2400
