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Model: NACHI NP420 - Cylindrical roller bearing (NP series)>
Bearing Size
d = 100D = 250
B = 58
Ew = 211
db(min) = 118
db(max) = 232
dc(max) = 141
Da(max) = 232
ra(max) = 3
ra1(max) = 3
Basic load rating: 445000
Rated static load: 500000
Limit speed（Grease lubrication）: 2400
Limit speed（Oil lubrication） 3000
