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Model: NACHI NJ421 - Cylindrical roller bearing (NJ series)>
Bearing Size
d = 105D = 260
B = 60
Fw = 144.5
db(min) = 123
db(max) = 242
dd(min) = 162
Da(max) = 242
ra(max) = 3
Basic load rating: 495000
Rated static load: 555000
Limit speed（Grease lubrication）: 2200
Limit speed（Oil lubrication） 2800
