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Model: NACHI NF211 - Cylindrical roller bearing (NF series)>
Bearing Size
d = 55D = 100
B = 21
Ew = 88.5
db(min) = 62
db(max) = 93
dd(min) = 73
Da(max) = 91.5
ra(max) = 1.5
Basic load rating: 58000
Rated static load: 62000
Limit speed（Grease lubrication）: 6300
Limit speed（Oil lubrication） 7500
