All Brands
Model: NACHI N228 - Cylindrical roller bearing (N series)>
Bearing Size
d = 140D = 250
B = 42
Ew = 221
da(min) = 154
dc(min) = 171
Da(max) = 236
Db(min) = 228
ra(max) = 2.5
ra1(max) = 2.5
Mass = 9.26
Basic load rating: 310000
Rated static load: 420000
Limit speed（Grease lubrication）: 2400
Limit speed（Oil lubrication） 3000
