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Model: NACHI N1056 - Cylindrical roller bearing (N series)>
Bearing Size
d = 280D = 420
B = 65
Ew = 384
da(min) = 298
dc(min) = 320
Da(max) = 402
Db(min) = 385
ra(max) = 3
ra1(max) = 3
Mass = 32.5
Basic load rating: 630000
Rated static load: 1000000
Limit speed（Grease lubrication）: 1500
Limit speed（Oil lubrication） 1700
