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Model: NACHI 6009ZZE - Two dust cover deep groove ball bearings>
Bearing Size
d = 45D = 75
B = 16
da(min) = 50
Da(max) = 70
ra(max) = 1
Mass = 0.246
Basic load rating: 20900
Rated static load: 15200
Limit speed（Grease lubrication）: 5300
