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Model: NACHI E30311J - Metric tapered roller bearings>
Bearing Size
d = 55D = 120
B = 29
T = 31.5
C = 25
a = 6.5
da(min) = 65
db(max) = 67
Da(min) = 103
Db(min) = 111
S1(min) = 4
S2(min) = 7
Cone ra(max) = 2
Cup ra(max) = 2
Mass = 1.56
Basic load rating: 148000
Basic load rating: 148000
Rated static load: 170000
Limit speed（Grease lubrication）: 3300
Limit speed（Oil lubrication） 4400
