Высокоточный двухрядный цилиндрический роликоподшипник NSK NN4956CC1P4

Описание

Boundary Dimensions NN: Inner 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 355 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(min.) 358 mm Diameter of Housing 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 30.1 kg Mass(approx.)