Cylindrical Roller Radial Bearings - Two-Row Timken NNU4148MAW33
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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 240 mm Static Load Rating Co 3680000 N Dynamic Load Rating C11 2290000 N Geometry Factor Cg2 0.1960 Thermal Speed Ratings - Oil 870 rpm Thermal Speed Ratings - Grease 800 rpm Bearing Dimensions O.D. D 400 mm Width B 160 mm DUR/DOR F/E 282 mm Mounting Data Chamfer rsmin 4 mm Chamfer r1smin3 4 mm Backing Shaft Diameter ds 275 mm Backing Housing Diameter Ds 368 mm Lubrication Data Lubrication Groove g 12.3 mm Lubrication Hole Diameter h 6.0 mm Number of Lubrication Holes 6 Dimension S4 7.20 mm