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Model: NACHI NF311 - Cylindrical roller bearing (NF series)>
Bearing Size
d = 55D = 120
B = 29
Ew = 104.5
db(min) = 65
db(max) = 110
dd(min) = 80
Da(max) = 110
ra(max) = 2
Basic load rating: 110000
Rated static load: 111000
Limit speed（Grease lubrication）: 5000
Limit speed（Oil lubrication） 6000
