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Model: NACHI 6064 - Deep groove ball bearings>
Bearing Size
d = 320D = 480
B = 74
da(min) = 333
Da(max) = 467
ra(max) = 3
Mass = 46.1
Basic load rating: 340000
Rated static load: 470000
Limit speed（Grease lubrication）: 1100
Limit speed（Oil lubrication） 1300
