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Model: NACHI 6309ZE - Single dust cover deep groove ball bearings>
Bearing Size
d = 45D = 100
B = 25
da(min) = 54
Da(max) = 91
ra(max) = 1.5
Mass = 0.833
Basic load rating: 53000
Rated static load: 32000
Limit speed（Grease lubrication）: 6700
Limit speed（Oil lubrication） 8000
