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Model: NACHI 6805ZZE - Two dust cover deep groove ball bearings>
Bearing Size
d = 25D = 37
B = 7
da(min) = 27
Da(max) = 35
ra(max) = 0.3
Mass = 0.022
Basic load rating: 4300
Rated static load: 2940
Limit speed（Grease lubrication）: 10000
