Высокоточный двухрядный цилиндрический роликоподшипник NSK NN3072KRCC9P4

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 360 mm Bore diameter D 540 mm Outside diameter B 134 mm Width r(min.) 5 mm Chamfer Dimension Basic Load Ratings C r 1700 kN Basic Dynamic Load Rating C 0r 3450 kN Basic Static Load Rating Speeds Grease 1500 min -1 Limiting Speed Oil (Oil-air) 1800 min -1 Limiting Speed Dimensions Ew 493 mm Roller Circumscribed Circle Diameters s 7.0 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 380 mm Diameter of Shaft Abutment d1a(min.) 385 mm Diameter of Shaft Abutment Da(min.) 497 mm Diameter of Housing Abutment Da(max.) 520 mm Diameter of Housing Abutment ra(max.) 4 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 99.7 kg Mass(approx.)