Cylindrical Roller Radial Bearings - Two-Row Timken NNU4972MAW33
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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 360.000 mm Static Load Rating Co 2800000 N Dynamic Load Rating C11 1270000 N Geometry Factor Cg2 0.2290 Thermal Speed Ratings - Oil 710 rpm Thermal Speed Ratings - Grease 630 rpm Bearing Dimensions O.D. D 480 mm Width B 118 mm DUR/DOR F/E 399 mm Mounting Data Chamfer rsmin 3 mm Chamfer r1smin3 3 mm Backing Shaft Diameter ds 392 mm Backing Housing Diameter Ds 449 mm Lubrication Data Lubrication Groove g 19.3 mm Lubrication Hole Diameter h 9.5 mm Number of Lubrication Holes 8 Dimension S4 5.60 mm