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Model: NACHI 6944 - Deep groove ball bearings>
Bearing Size
d = 220D = 300
B = 38
da(min) = 229
Da(max) = 291
ra(max) = 2
Mass = 7.45
Basic load rating: 132000
Rated static load: 154000
Limit speed（Grease lubrication）: 1800
Limit speed（Oil lubrication） 2300
