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Model: NACHI N344 - Cylindrical roller bearing (N series)>
Bearing Size
d = 220D = 460
B = 88
Ew = 396
da(min) = 242
dc(min) = 287
Da(max) = 438
Db(min) = 400
ra(max) = 4
ra1(max) = 4
Mass = 71.7
Basic load rating: 1200000
Rated static load: 1570000
Limit speed（Grease lubrication）: 1200
Limit speed（Oil lubrication） 1500
