Cylindrical Roller Radial Bearings - Two-Row Timken NNU4980MAW33
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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 400 mm Static Load Rating Co 3920000 N Dynamic Load Rating C11 1710000 N Geometry Factor Cg2 0.2570 Thermal Speed Ratings - Oil 600 rpm Thermal Speed Ratings - Grease 530 rpm Bearing Dimensions O.D. D 540 mm Width B 140 mm DUR/DOR F/E 446 mm Mounting Data Chamfer rsmin 4 mm Chamfer r1smin3 4 mm Backing Shaft Diameter ds 437 mm Backing Housing Diameter Ds 504 mm Lubrication Data Lubrication Groove g 19.3 mm Lubrication Hole Diameter h 9.5 mm Number of Lubrication Holes 10 Dimension S4 7.10 mm