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Model: NACHI 30252 - Metric tapered roller bearings>
Bearing Size
d = 260D = 480
B = 80
T = 89
C = 67
a = -4
da(min) = 282
db(max) = 302
Da(min) = 412
Db(min) = 446
S1(min) = 9
S2(min) = 16
Cone ra(max) = 5
Cup ra(max) = 4
Mass = 62.6
Basic load rating: 1240000
Basic load rating: 1240000
Rated static load: 1800000
Limit speed（Grease lubrication）: 700
Limit speed（Oil lubrication） 950
