Cylindrical Roller Radial Bearings - Two-Row Timken NNU49/670MAW33
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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 670 mm Static Load Rating Co 13460000 N Dynamic Load Rating C11 5430000 N Geometry Factor Cg2 0.4000 Thermal Speed Ratings - Oil 240 rpm Thermal Speed Ratings - Grease 230 rpm Bearing Dimensions O.D. D 900 mm Width B 230 mm DUR/DOR F/E 738 mm Mounting Data Chamfer rsmin 6 mm Chamfer r1smin3 6 mm Backing Shaft Diameter ds 726.9 mm Backing Housing Diameter Ds 838 mm Lubrication Data Lubrication Groove g 19.3 mm Lubrication Hole Diameter h 9.5 mm Number of Lubrication Holes 16 Dimension S4 8.40 mm