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Model: NACHI 6856 - Deep groove ball bearings>
Bearing Size
d = 280D = 350
B = 33
da(min) = 290
Da(max) = 341
ra(max) = 2
Mass = 7.35
Basic load rating: 133000
Rated static load: 177000
Limit speed（Grease lubrication）: 1500
Limit speed（Oil lubrication） 1800
