Высокоточный двухрядный цилиндрический роликоподшипник NSK NN3052KRCC0P4Y

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 260 mm Bore diameter D 400 mm Outside diameter B 104 mm Width r(min.) 4 mm Chamfer Dimension Basic Load Ratings C r 1030 kN Basic Dynamic Load Rating C 0r 1920 kN Basic Static Load Rating Speeds Grease 2000 min -1 Limiting Speed Oil (Oil-air) 2500 min -1 Limiting Speed Dimensions Ew 364 mm Roller Circumscribed Circle Diameters s 3.8 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 276 mm Diameter of Shaft Abutment d1a(min.) 278 mm Diameter of Shaft Abutment Da(min.) 368 mm Diameter of Housing Abutment Da(max.) 384 mm Diameter of Housing Abutment ra(max.) 3 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 55 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 20 μm Clearance in Bearings with Cylindrical Bores CC1(max.) 110 μm Clearance in Bearings with Tapered Bores CC1(min.) 55 μm Clearance in Bearings with Tapered Bores CC0(max.) 70 μm Clearance in Bearings with Tapered Bores CC0(min.) 40 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. 55 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. 25 μm Clearance in Bearings with Tapered Bores 140 g/brg Recommended Grease Quantities Holes Dimensions dh 6 mm Hole Diameter W 12 mm Oil Groove Width m 4 Number of Holes Mass 44.7 kg Mass(approx.)