Высокоточный двухрядный цилиндрический роликоподшипник NSK NNU4984CC1P4

Описание

Boundary Dimensions NNU: Outer ring rib type Bearing Type d 420 mm Bore diameter D 560 mm Outside diameter B 140 mm Width r(min.) 4 mm Chamfer Dimension Basic Load Ratings C r 2000 kN Basic Dynamic Load Rating C 0r 5150 kN Basic Static Load Rating Speeds Grease 1200 min -1 Limiting Speed Oil (Oil-air) 1500 min -1 Limiting Speed Dimensions Ew 461 mm Roller Circumscribed Circle Diameters s 3.5 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 436 mm Diameter of Shaft Abutment d1a(min.) 448 mm Diameter of Shaft Abutment Da(max.) 544 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 88.4 kg Mass(approx.)