Высокоточный двухрядный цилиндрический роликоподшипник NSK NNU4992KCC0P4

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 CC1(max.) 190 μm Clearance in Bearings with Tapered Bores CC1(min.) 95 μm Clearance in Bearings with Tapered Bores CC0(max.) 120 μm Clearance in Bearings with Tapered Bores CC0(min.) 70 μm Clearance in Bearings with Tapered Bores CC9(max.) 95 μm Clearance in Bearings with Tapered Bores CC9(min.) 45 μm Clearance in Bearings with Tapered Bores Holes Dimensions dh 8 mm Hole Diameter W 15 mm Oil Groove Width m 4 Number of Holes Mass 128 kg Mass(approx.)