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Model: NACHI 6918ZZ - Two dust cover deep groove ball bearings>
Bearing Size
d = 90D = 125
B = 18
da(min) = 96
Da(max) = 119
ra(max) = 1
Mass = 0.54
Basic load rating: 33000
Rated static load: 31500
Limit speed（Grease lubrication）: -
