Высокоточный двухрядный цилиндрический роликоподшипник NSK NNU4956CC1P4

Описание

Boundary Dimensions NNU: Outer ring rib type Bearing Type d 280 mm Bore diameter D 380 mm Outside diameter B 100 mm Width r(min.) 2.1 mm Chamfer Dimension Basic Load Ratings C r 960 kN Basic Dynamic Load Rating C 0r 2230 kN Basic Static Load Rating Speeds Grease 2000 min -1 Limiting Speed Oil (Oil-air) 2500 min -1 Limiting Speed Dimensions Ew 309 mm Roller Circumscribed Circle Diameters s 2.4 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 291 mm Diameter of Shaft Abutment d1a(min.) 295 mm Diameter of Shaft Abutment Da(max.) 369 mm Diameter of Housing Abutment ra(max.) 2 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 95 g/brg Recommended Grease Quantities Holes Dimensions dh 6 mm Hole Diameter W 12 mm Oil Groove Width m 4 Number of Holes Mass 33.1 kg Mass(approx.)