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Model: NACHI 47490/47420 - The imperial tapered roller bearings>
Bearing Size
d = 71.438D = 120
B = 32.545
T = 32.545
C = 26.195
a = 6.2
da(min) = 86
db(max) = 79
Da(min) = 107
Db(min) = 114
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 47490
Mass(Cup) = 47420
Basic load rating: 123000
Basic load rating: 123000
Rated static load: 167000
Limit speed（Grease lubrication）: 3000
Limit speed（Oil lubrication） 4000
