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Model: NACHI 6312ZZE - Two dust cover deep groove ball bearings>
Bearing Size
d = 60D = 130
B = 31
da(min) = 72
Da(max) = 118
ra(max) = 2
Mass = 1.7
Basic load rating: 82000
Rated static load: 52000
Limit speed（Grease lubrication）: 3500
