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Model: NACHI 30344 - Metric tapered roller bearings>
Bearing Size
d = 220D = 460
B = 88
T = 97
C = 73
a = 12
da(min) = 242
db(max) = 273
Da(min) = 391
Db(min) = 418
S1(min) = 10
S2(min) = 18
Cone ra(max) = 5
Cup ra(max) = 4
Mass = 69.6
Basic load rating: 1310000
Basic load rating: 1310000
Rated static load: 1780000
Limit speed（Grease lubrication）: 750
Limit speed（Oil lubrication） 1000
