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Model: NACHI 6806ZE - Single dust cover deep groove ball bearings>
Bearing Size
d = 30D = 42
B = 7
da(min) = 32
Da(max) = 40
ra(max) = 0.3
Mass = 0.026
Basic load rating: 5350
Rated static load: 3800
Limit speed（Grease lubrication）: 15000
Limit speed（Oil lubrication） 17000
