Cylindrical Roller Radial Bearings - Two-Row Timken NNU40/670MAW33

Описание

Additional radial load-carrying capability compared to single-row product. Designed to ISO/DIN specified interchangeable dimensions. Sold as complete assembly. NNU-1 Outer rings with solid ribs. Lubrication grooves and holes on outer rings. One solid brass cage. The radial internal clearance (RIC) for the bearing assembly must be included when ordering the complete assembly. Specifications Bore d 670 mm Static Load Rating Co 18840000 N Dynamic Load Rating C11 9740000 N Geometry Factor Cg2 0.4040 Thermal Speed Ratings - Oil 210 rpm Thermal Speed Ratings - Grease 200 rpm Bearing Dimensions O.D. D 980 mm Width B 308 mm DUR/DOR F/E 744 mm Mounting Data Chamfer rsmin 7.5 mm Chamfer r1smin3 7.5 mm Backing Shaft Diameter ds 726.9 mm Backing Housing Diameter Ds 922 mm Lubrication Data Lubrication Groove g 22.0 mm Lubrication Hole Diameter h 12.0 mm Number of Lubrication Holes 16 Dimension S4 13.00 mm