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Model: NACHI NF210 - Cylindrical roller bearing (NF series)>
Bearing Size
d = 50D = 90
B = 20
Ew = 80.4
db(min) = 57
db(max) = 83
dd(min) = 67
Da(max) = 83
ra(max) = 1
Basic load rating: 48000
Rated static load: 51000
Limit speed（Grease lubrication）: 7000
Limit speed（Oil lubrication） 8500
