Высокоточный двухрядный цилиндрический роликоподшипник NSK NN3060KRCC9P4

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 300 mm Bore diameter D 460 mm Outside diameter B 118 mm Width r(min.) 4 mm Chamfer Dimension Basic Load Ratings C r 1290 kN Basic Dynamic Load Rating C 0r 2460 kN Basic Static Load Rating Speeds Grease 1800 min -1 Limiting Speed Oil (Oil-air) 2100 min -1 Limiting Speed Dimensions Ew 418 mm Roller Circumscribed Circle Diameters s 4.8 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 316 mm Diameter of Shaft Abutment d1a(min.) 319 mm Diameter of Shaft Abutment Da(min.) 422 mm Diameter of Housing Abutment Da(max.) 444 mm Diameter of Housing Abutment ra(max.) 3 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 60 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 20 μm Clearance in Bearings with Cylindrical Bores CC1(max.) 120 μm Clearance in Bearings with Tapered Bores CC1(min.) 60 μm Clearance in Bearings with Tapered Bores CC0(max.) 75 μm Clearance in Bearings with Tapered Bores CC0(min.) 45 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. 60 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. 30 μm Clearance in Bearings with Tapered Bores Holes Dimensions dh 6 mm Hole Diameter W 12 mm Oil Groove Width m 4 Number of Holes Mass 66.5 kg Mass(approx.)