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Model: NACHI 6901ZZE - Two dust cover deep groove ball bearings>
Bearing Size
d = 12D = 24
B = 6
da(min) = 14
Da(max) = 22
ra(max) = 0.3
Mass = 0.011
Basic load rating: 2700
Rated static load: 1320
Limit speed（Grease lubrication）: 19000
