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Model: NACHI 6308ZE - Single dust cover deep groove ball bearings>
Bearing Size
d = 40D = 90
B = 23
da(min) = 49
Da(max) = 81
ra(max) = 1.5
Mass = 0.633
Basic load rating: 40500
Rated static load: 24100
Limit speed（Grease lubrication）: 7500
Limit speed（Oil lubrication） 9000
