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Model: NACHI NJ252 - Cylindrical roller bearing (NJ series)>
Bearing Size
d = 260D = 480
B = 80
Fw = 320
db(min) = 282
db(max) = 458
dd(min) = 343
Da(max) = 458
ra(max) = 4
Basic load rating: 1140000
Rated static load: 1660000
Limit speed（Grease lubrication）: 1300
Limit speed（Oil lubrication） 1500
