Cylindrical Roller Radial Bearings - Two-Row Timken NNU4988MAW33

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 440 mm Static Load Rating Co 5740000 N Dynamic Load Rating C11 2500000 N Geometry Factor Cg2 0.2860 Thermal Speed Ratings - Oil 460 rpm Thermal Speed Ratings - Grease 420 rpm Bearing Dimensions O.D. D 600 mm Width B 160 mm DUR/DOR F/E 490 mm Mounting Data Chamfer rsmin 4 mm Chamfer r1smin3 4 mm Backing Shaft Diameter ds 480.4 mm Backing Housing Diameter Ds 558 mm Lubrication Data Lubrication Groove g 16.0 mm Lubrication Hole Diameter h 8.0 mm Number of Lubrication Holes 10 Dimension S4 6.80 mm