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Model: NACHI 64450/64700 - The imperial tapered roller bearings>
Bearing Size
d = 114.3D = 117.8
B = 41.275
T = 41.275
C = 30.162
a = -1.2
da(min) = 131
db(max) = 125
Da(min) = 160
Db(min) = 172
r1(min) = 3.5
r2(min) = 3.3
Mass(Cone) = 64450
Mass(Cup) = 64700
Basic load rating: 231000
Basic load rating: 231000
Rated static load: 370000
Limit speed（Grease lubrication）: 1900
Limit speed（Oil lubrication） 2600
