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Model: NACHI 6234 - Deep groove ball bearings>
Bearing Size
d = 170D = 310
B = 52
da(min) = 188
Da(max) = 292
ra(max) = 3
Mass = 17.5
Basic load rating: 212000
Rated static load: 224000
Limit speed（Grease lubrication）: 1900
Limit speed（Oil lubrication） 2300
