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Model: NACHI E30209J - Metric tapered roller bearings>
Bearing Size
d = 45D = 85
B = 19
T = 20.75
C = 16
a = 2.3
da(min) = 52
db(max) = 52.5
Da(min) = 73
Db(min) = 80
S1(min) = 3
S2(min) = 4.5
Cone ra(max) = 1.5
Cup ra(max) = 1.5
Mass = 0.47
Basic load rating: 69500
Basic load rating: 69500
Rated static load: 81500
Limit speed（Grease lubrication）: 4400
Limit speed（Oil lubrication） 6000
