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Model: NACHI 230/630EW33 - Cylindrical hole spherical roller bearings>
Bearing Size
d = 630D = 920
B = 212
da(min) = 666
Da(max) = 884
ra(max) = 6
Mass = 487
Basic load rating: 6000000
Rated static load: 13100000
Limit speed（Grease lubrication）: 290
Limit speed（Oil lubrication） 380
