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Model: NACHI NJ2304 - Cylindrical roller bearing (NJ series)>
Bearing Size
d = 20D = 52
B = 21
Fw = 28.5
db(min) = 25
db(max) = -
dd(min) = 33
Da(max) = 45
ra(max) = 1
Basic load rating: 30500
Rated static load: 27200
Limit speed（Grease lubrication）: 11000
Limit speed（Oil lubrication） 13000
