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Model: NACHI 231/670EW33 - Cylindrical hole spherical roller bearings>
Bearing Size
d = 670D = 1090
B = 336
da(min) = 706
Da(max) = 1054
ra(max) = 6
Mass = 1260
Basic load rating: 11000000
Rated static load: 23000000
Limit speed（Grease lubrication）: 180
Limit speed（Oil lubrication） 240
