Cylindrical Roller Radial Bearings - Two-Row Timken NNU4156MAW33
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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 280 mm Static Load Rating Co 4820000 N Dynamic Load Rating C11 2940000 N Geometry Factor Cg2 0.2190 Thermal Speed Ratings - Oil 990 rpm Thermal Speed Ratings - Grease 910 rpm Bearing Dimensions O.D. D 460 mm Width B 180 mm DUR/DOR F/E 326 mm Mounting Data Chamfer rsmin 5 mm Chamfer r1smin3 5 mm Backing Shaft Diameter ds 318.9 mm Backing Housing Diameter Ds 422 mm Lubrication Data Lubrication Groove g 16.0 mm Lubrication Hole Diameter h 7.5 mm Number of Lubrication Holes 8 Dimension S4 6.30 mm