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Model: NACHI NF344 - Cylindrical roller bearing (NF series)>
Bearing Size
d = 220D = 460
B = 88
Ew = 396
db(min) = 242
db(max) = 438
dd(min) = 307
Da(max) = 438
ra(max) = 4
Basic load rating: 1200000
Rated static load: 1570000
Limit speed（Grease lubrication）: 1200
Limit speed（Oil lubrication） 1500
