Высокоточный двухрядный цилиндрический роликоподшипник NSK NNU4992E44CC1P4

Описание

Boundary Dimensions NNU: Outer ring rib type Bearing Type d 460 mm Bore diameter D 620 mm Outside diameter B 160 mm Width r(min.) 4 mm Chamfer Dimension Basic Load Ratings C r 2400 kN Basic Dynamic Load Rating C 0r 6200 kN Basic Static Load Rating Speeds Grease 1100 min -1 Limiting Speed Oil (Oil-air) 1300 min -1 Limiting Speed Dimensions Ew 507 mm Roller Circumscribed Circle Diameters s 3.3 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 476 mm Diameter of Shaft Abutment d1a(min.) 489 mm Diameter of Shaft Abutment Da(max.) 604 mm Diameter of Housing Abutment ra(max.) 3 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 95 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 128 kg Mass(approx.)