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Model: NACHI N1044 - Cylindrical roller bearing (N series)>
Bearing Size
d = 220D = 340
B = 56
Ew = 310
da(min) = 233
dc(min) = 254
Da(max) = 326
Db(min) = 311
ra(max) = 2.5
ra1(max) = 2.5
Mass = 18.5
Basic load rating: 480000
Rated static load: 715000
Limit speed（Grease lubrication）: 1800
Limit speed（Oil lubrication） 2300
