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Model: NACHI 30317D - Metric tapered roller bearings>
Bearing Size
d = 85D = 180
B = 41
T = 44.5
C = 28
a = -10.5
da(min) = 102
db(max) = 100
Da(min) = 141
Db(min) = 170
S1(min) = 6
S2(min) = 12.5
Cone ra(max) = 3
Cup ra(max) = 2.5
Mass = 4.6
Basic load rating: 237000
Basic load rating: 237000
Rated static load: 278000
Limit speed（Grease lubrication）: 1900
Limit speed（Oil lubrication） 2700
