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Model: NACHI 30234 - Metric tapered roller bearings>
Bearing Size
d = 170D = 310
B = 52
T = 57
C = 43
a = -4.8
da(min) = 188
db(max) = 195
Da(min) = 266
Db(min) = 290
S1(min) = 9
S2(min) = 12
Cone ra(max) = 4
Cup ra(max) = 3
Mass = 16.5
Basic load rating: 515000
Basic load rating: 515000
Rated static load: 715000
Limit speed（Grease lubrication）: 1100
Limit speed（Oil lubrication） 1500
