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Model: NACHI NJ2228 - Cylindrical roller bearing (NJ series)>
Bearing Size
d = 140D = 250
B = 68
Fw = 169
db(min) = 154
db(max) = -
dd(min) = 182
Da(max) = 236
ra(max) = 2.5
Basic load rating: 465000
Rated static load: 670000
Limit speed（Grease lubrication）: 2000
Limit speed（Oil lubrication） 2600
