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Model: NACHI 6814Z - Single dust cover deep groove ball bearings>
Bearing Size
d = 70D = 90
B = 10
da(min) = 74
Da(max) = 86
ra(max) = 0.6
Mass = 0.135
Basic load rating: 12100
Rated static load: 11900
Limit speed（Grease lubrication）: 7000
Limit speed（Oil lubrication） 8000
