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Model: NACHI NN3052K - Cylindrical roller bearing, tapered hole NN series)>
Bearing Size
d = 260D = 400
B = 104
Ew = 364
Da(min) = 278
Da(max) = 382
da(min) = 278
da1(min) = 280
ra(max)= 3
Mass = 46
Basic load rating: 1080000
Rated static load: 2070000
Limit speed（Grease lubrication）: 1400
Limit speed（Oil lubrication） 1700
