Высокоточный двухрядный цилиндрический роликоподшипник NSK NN4980KRCC0P5

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 400 mm Bore diameter D 540 mm Outside diameter B 140 mm Width r(min.) 4 mm Chamfer Dimension Basic Load Ratings C r 1940 kN Basic Dynamic Load Rating C 0r 4900 kN Basic Static Load Rating Speeds Grease 1400 min -1 Limiting Speed Oil (Oil-air) 1700 min -1 Limiting Speed Dimensions Ew 505 mm Roller Circumscribed Circle Diameters s 3.5 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 416 mm Diameter of Shaft Abutment d1a(min.) 428 mm Diameter of Shaft Abutment Da(min.) 508 mm Diameter of Housing Abutment Da(max.) 524 mm Diameter of Housing Abutment ra(max.) 3 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 75 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 25 μm Clearance in Bearings with Cylindrical Bores CC1(max.) 150 μm Clearance in Bearings with Tapered Bores CC1(min.) 75 μm Clearance in Bearings with Tapered Bores CC0(max.) 90 μm Clearance in Bearings with Tapered Bores CC0(min.) 50 μm Clearance in Bearings with Tapered Bores CC9(max.) Clearance CC9 applicale to cylindrical roller bearings with tapered bores in ISO Tolerance Classes 5 and 4. 75 μm Clearance in Bearings with Tapered Bores CC9(min.) Clearance CC9 applicale to cylindrical roller bearings with tapered bores in ISO Tolerance Classes 5 and 4. 35 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 84.1 kg Mass(approx.)