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Model: NACHI NU2304E - Cylindrical roller bearing series (NU)>
Bearing Size
d = 20D = 52
B = 21
Fw = 27.5
db(min) = 25
db(max) = -
dc(max) = 30
Da(max) = 45
ra(max) = 1
ra1(max) = 0.6
Mass = 0.24
Basic load rating: 42000
Rated static load: 38500
Limit speed（Grease lubrication）: 10000
Limit speed（Oil lubrication） 12000
