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Model: NACHI 6911Z - Single dust cover deep groove ball bearings>
Bearing Size
d = 55D = 80
B = 13
da(min) = 60
Da(max) = 75
ra(max) = 1
Mass = 0.177
Basic load rating: 16000
Rated static load: 13200
Limit speed（Grease lubrication）: 8000
Limit speed（Oil lubrication） 9000
