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Model: NACHI NN3044K - Cylindrical roller bearing, tapered hole NN series)>
Bearing Size
d = 220D = 340
B = 90
Ew = 310
Da(min) = 234
Da(max) = 326
da(min) = 234
da1(min) = 238
ra(max)= 2.5
Mass = 28.4
Basic load rating: 810000
Rated static load: 1480000
Limit speed（Grease lubrication）: 1700
Limit speed（Oil lubrication） 2000
