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Model: NACHI 6840 - Deep groove ball bearings>
Bearing Size
d = 200D = 250
B = 24
da(min) = 208
Da(max) = 242
ra(max) = 1.5
Mass = 2.7
Basic load rating: 74000
Rated static load: 91000
Limit speed（Grease lubrication）: 2100
Limit speed（Oil lubrication） 2500
