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Model: NACHI 63/22ZZE - Two dust cover deep groove ball bearings>
Bearing Size
d = 22D = 56
B = 16
da(min) = 29
Da(max) = 49
ra(max) = 1
Mass = 0.176
Basic load rating: 18400
Rated static load: 9250
Limit speed（Grease lubrication）: 8000
