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Model: NACHI 6928 - Deep groove ball bearings>
Bearing Size
d = 140D = 190
B = 24
da(min) = 147
Da(max) = 183
ra(max) = 1.5
Mass = 1.9
Basic load rating: 66500
Rated static load: 71000
Limit speed（Grease lubrication）: 3200
Limit speed（Oil lubrication） 3800
