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Model: NACHI 6318 - 2NK - Non-contact double sealed deep groove ball bearings>
Bearing Size
d = 90D = 190
B = 43
da(min) = 104
Da(max) = 176
ra(max) = 2.5
Mass = 4.91
Basic load rating: 143000
Rated static load: 107000
Limit speed（Grease lubrication）: 2400
