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Model: NACHI 6321Z - Single dust cover deep groove ball bearings>
Bearing Size
d = 105D = 225
B = 49
da(min) = 119
Da(max) = 211
ra(max) = 2.5
Mass = 8.05
Basic load rating: 184000
Rated static load: 153000
Limit speed（Grease lubrication）: 2800
Limit speed（Oil lubrication） 3400
