Высокоточный двухрядный цилиндрический роликоподшипник NSK NNU4988E44CC1P5

Описание

Boundary Dimensions NNU: Outer ring rib type Bearing Type d 440 mm Bore diameter D 600 mm Outside diameter B 160 mm Width r(min.) 4 mm Chamfer Dimension Basic Load Ratings C r 2370 kN Basic Dynamic Load Rating C 0r 6000 kN Basic Static Load Rating Speeds Grease 1100 min -1 Limiting Speed Oil (Oil-air) 1400 min -1 Limiting Speed Dimensions Ew 487 mm Roller Circumscribed Circle Diameters s 3.3 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 456 mm Diameter of Shaft Abutment d1a(min.) 469 mm Diameter of Shaft Abutment Da(max.) 584 mm Diameter of Housing Abutment ra(max.) 3 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 85 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 25 μm Clearance in Bearings with Cylindrical Bores Holes Dimensions dh 8 mm Hole Diameter W 15 mm Oil Groove Width m 4 Number of Holes Mass 123 kg Mass(approx.)