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Model: NACHI 6011 - Deep groove ball bearings>
Bearing Size
d = 55D = 90
B = 18
da(min) = 61
Da(max) = 84
ra(max) = 1
Mass = 0.384
Basic load rating: 28300
Rated static load: 21300
Limit speed（Grease lubrication）: 7500
Limit speed（Oil lubrication） 9000
