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Model: NACHI 6228ZZ - Two dust cover deep groove ball bearings>
Bearing Size
d = 140D = 250
B = 42
da(min) = 154
Da(max) = 236
ra(max) = 2.5
Mass = 7.47
Basic load rating: 166000
Rated static load: 150000
Limit speed（Grease lubrication）: -
