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Model: NACHI 47487R/47420DM - The imperial tapered roller bearings>
Bearing Size
d = 69.85D = 120
B = 32.545
T = 32.545
C = 26.195
a = 6
da(min) = 84
db(max) = 78
Da(min) = 107
Db(min) = 114
r1(min) = 3.6
r2(min) = 0.5
Mass(Cone) = 47487R
Mass(Cup) = 47420DM
Basic load rating: 150000
Basic load rating: 150000
Rated static load: 218000
Limit speed（Grease lubrication）: 2600
Limit speed（Oil lubrication） 3700
