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Model: NACHI NNU4944K - Cylindrical roller bearing, tapered hole NNU series)>
Bearing Size
d = 220D = 300
B = 80
Fw = 245
Da(max) = 289
da(min) = 231
da(max) = 242
da1(min) = 234
ra(max)= 2
Mass = 15.5
Basic load rating: 595000
Rated static load: 1330000
Limit speed（Grease lubrication）: 1800
Limit speed（Oil lubrication） 2200
