Cylindrical Roller Radial Bearings - Two-Row Timken NNU4938MAW33

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 190 mm Static Load Rating Co 890000 N Dynamic Load Rating C11 459000 N Geometry Factor Cg2 0.1410 Thermal Speed Ratings - Oil 1600 rpm Thermal Speed Ratings - Grease 1400 rpm Bearing Dimensions O.D. D 260 mm Width B 69 mm DUR/DOR F/E 212 mm Mounting Data Chamfer rsmin 2 mm Chamfer r1smin3 2 mm Backing Shaft Diameter ds 207 mm Backing Housing Diameter Ds 242 mm Lubrication Data Lubrication Groove g 9.6 mm Lubrication Hole Diameter h 4.5 mm Number of Lubrication Holes 6 Dimension S4 2 mm