Высокоточный двухрядный цилиндрический роликоподшипник NSK NN4988CC1P4

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 440 mm Bore diameter D 600 mm Outside diameter B 160 mm Width r(min.) 4 mm Chamfer Dimension Basic Load Ratings C r 2370 kN Basic Dynamic Load Rating C 0r 6000 kN Basic Static Load Rating Speeds Grease 1100 min -1 Limiting Speed Oil (Oil-air) 1400 min -1 Limiting Speed Dimensions Ew 559 mm Roller Circumscribed Circle Diameters s 3.3 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 456 mm Diameter of Shaft Abutment d1a(min.) 469 mm Diameter of Shaft Abutment Da(min.) 562 mm Diameter of Housing Abutment Da(max.) 584 mm Diameter of Housing Abutment ra(max.) 3 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 85 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 25 μm Clearance in Bearings with Cylindrical Bores Holes Dimensions dh 8 mm Hole Diameter W 15 mm Oil Groove Width m 4 Number of Holes Mass 123 kg Mass(approx.)