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Model: NACHI 497/492A - The imperial tapered roller bearings>
Bearing Size
d = 85.725D = 133.35
B = 29.769
T = 30.163
C = 22.225
a = 0.3
da(min) = 99
db(max) = 93
Da(min) = 120
Db(min) = 128
r1(min) = 3.6
r2(min) = 3.2
Mass(Cone) = 497
Mass(Cup) = 492A
Basic load rating: 133000
Basic load rating: 133000
Rated static load: 198000
Limit speed（Grease lubrication）: 2300
Limit speed（Oil lubrication） 3200
