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Model: NACHI E30210J - Metric tapered roller bearings>
Bearing Size
d = 50D = 90
B = 20
T = 21.75
C = 17
a = 1.9
da(min) = 57
db(max) = 56.5
Da(min) = 78
Db(min) = 85
S1(min) = 3
S2(min) = 4.5
Cone ra(max) = 1.5
Cup ra(max) = 1.5
Mass = 0.53
Basic load rating: 79000
Basic load rating: 79000
Rated static load: 96000
Limit speed（Grease lubrication）: 4100
Limit speed（Oil lubrication） 5500
