Высокоточный двухрядный цилиндрический роликоподшипник NSK NN4964CC1P4

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 320 mm Bore diameter D 440 mm Outside diameter B 118 mm Width r(min.) 3 mm Chamfer Dimension Basic Load Ratings C r 1260 kN Basic Dynamic Load Rating C 0r 3050 kN Basic Static Load Rating Speeds Grease 1800 min -1 Limiting Speed Oil (Oil-air) 2100 min -1 Limiting Speed Dimensions Ew 408 mm Roller Circumscribed Circle Diameters s 3.5 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 333 mm Diameter of Shaft Abutment d1a(min.) 338 mm Diameter of Shaft Abutment Da(min.) 411 mm Diameter of Housing Abutment Da(max.) 427 mm Diameter of Housing Abutment ra(max.) 2.5 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 Holes Dimensions dh 6 mm Hole Diameter W 12 mm Oil Groove Width m 4 Number of Holes Mass 50.3 kg Mass(approx.)