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Model: NACHI 230/670EW33 - Cylindrical hole spherical roller bearings>
Bearing Size
d = 670D = 980
B = 230
da(min) = 706
Da(max) = 944
ra(max) = 6
Mass = 603
Basic load rating: 6950000
Rated static load: 15300000
Limit speed（Grease lubrication）: 270
Limit speed（Oil lubrication） 340
