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Model: NACHI 6809NSE - Single contact sealed deep groove ball bearings>
Bearing Size
d = 45D = 58
B = 7
da(min) = 47
Da(max) = 56
ra(max) = 0.3
Mass = 0.04
Basic load rating: 5350
Rated static load: 4900
Limit speed（Grease lubrication）: 5900
