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Model: NACHI 6311ZE - Single dust cover deep groove ball bearings>
Bearing Size
d = 55D = 120
B = 29
da(min) = 65
Da(max) = 110
ra(max) = 2
Mass = 1.37
Basic load rating: 71500
Rated static load: 44500
Limit speed（Grease lubrication）: 5600
Limit speed（Oil lubrication） 6600
