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Model: NACHI 47890/47820 - The imperial tapered roller bearings>
Bearing Size
d = 92.075D = 146.05
B = 34.925
T = 33.338
C = 26.195
a = 1
da(min) = 107
db(max) = 101
Da(min) = 131
Db(min) = 140
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 47890
Mass(Cup) = 47820
Basic load rating: 157000
Basic load rating: 157000
Rated static load: 250000
Limit speed（Grease lubrication）: 2300
Limit speed（Oil lubrication） 3100
