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Model: NACHI N1064 - Cylindrical roller bearing (N series)>
Bearing Size
d = 320D = 480
B = 74
Ew = 440
da(min) = 338
dc(min) = 365
Da(max) = 462
Db(min) = 441
ra(max) = 3
ra1(max) = 3
Mass = 48.4
Basic load rating: 870000
Rated static load: 1410000
Limit speed（Grease lubrication）: 1300
Limit speed（Oil lubrication） 1400
