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Model: NACHI 6948 - Deep groove ball bearings>
Bearing Size
d = 240D = 320
B = 38
da(min) = 249
Da(max) = 311
ra(max) = 2
Mass = 8.02
Basic load rating: 154000
Rated static load: 186000
Limit speed（Grease lubrication）: 1700
Limit speed（Oil lubrication） 2000
