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Model: NACHI 239/670EW33 - Cylindrical hole spherical roller bearings>
Bearing Size
d = 670D = 900
B = 170
da(min) = 698
Da(max) = 872
ra(max) = 5
Mass = 316
Basic load rating: 4450000
Rated static load: 10500000
Limit speed（Grease lubrication）: 260
Limit speed（Oil lubrication） 340
