Высокоточный двухрядный цилиндрический роликоподшипник NSK NN3068KRCC0P5

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 340 mm Bore diameter D 520 mm Outside diameter B 133 mm Width r(min.) 5 mm Chamfer Dimension Basic Load Ratings C r 1670 kN Basic Dynamic Load Rating C 0r 3300 kN Basic Static Load Rating Speeds Grease 1600 min -1 Limiting Speed Oil (Oil-air) 1900 min -1 Limiting Speed Dimensions Ew 473 mm Roller Circumscribed Circle Diameters s 6.8 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 360 mm Diameter of Shaft Abutment d1a(min.) 365 mm Diameter of Shaft Abutment Da(min.) 477 mm Diameter of Housing Abutment Da(max.) 500 mm Diameter of Housing Abutment ra(max.) 4 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 65 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 20 μm Clearance in Bearings with Cylindrical Bores CC1(max.) 135 μm Clearance in Bearings with Tapered Bores CC1(min.) 65 μm Clearance in Bearings with Tapered Bores CC0(max.) 80 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. 65 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 8 mm Hole Diameter W 15 mm Oil Groove Width m 4 Number of Holes Mass 95.6 kg Mass(approx.)