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Model: NACHI M201047/M201011 - The imperial tapered roller bearings>
Bearing Size
d = 39.688D = 73.025
B = 22.098
T = 25.654
C = 21.336
a = 5.9
da(min) = 45.5
db(max) = 47.8
Da(min) = 64
Db(min) = 69
r1(min) = 0.8
r2(min) = 2.3
Mass(Cone) = M201047
Mass(Cup) = M201011
Basic load rating: 63000
Basic load rating: 63000
Rated static load: 81000
Limit speed（Grease lubrication）: 5000
Limit speed（Oil lubrication） 6700
