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Model: NACHI 230/850EW33 - Cylindrical hole spherical roller bearings>
Bearing Size
d = 850D = 1220
B = 272
da(min) = 886
Da(max) = 1184
ra(max) = 6
Mass = 1059
Basic load rating: 9750000
Rated static load: 22500000
Limit speed（Grease lubrication）: 190
Limit speed（Oil lubrication） 240
