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Model: NACHI 6938 - Deep groove ball bearings>
Bearing Size
d = 190D = 260
B = 33
da(min) = 198
Da(max) = 252
ra(max) = 2
Mass = 4.9
Basic load rating: 108000
Rated static load: 123000
Limit speed（Grease lubrication）: 2100
Limit speed（Oil lubrication） 2500
