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Model: NACHI 6307 - 2NKE - Non-contact double sealed deep groove ball bearings>
Bearing Size
d = 35D = 80
B = 21
da(min) = 44
Da(max) = 71
ra(max) = 1.5
Mass = 0.457
Basic load rating: 33500
Rated static load: 19200
Limit speed（Grease lubrication）: 5900
