Высокоточный двухрядный цилиндрический роликоподшипник NSK NNU4980E44CC1P4Y

Описание

Boundary Dimensions NNU: Outer ring rib type Bearing Type d 400 mm Bore diameter D 540 mm Outside diameter B 140 mm Width r(min.) 4 mm Chamfer Dimension Basic Load Ratings C r 1940 kN Basic Dynamic Load Rating C 0r 4900 kN Basic Static Load Rating Speeds Grease 1400 min -1 Limiting Speed Oil (Oil-air) 1700 min -1 Limiting Speed Dimensions Ew 441 mm Roller Circumscribed Circle Diameters s 3.5 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 416 mm Diameter of Shaft Abutment d1a(min.) 428 mm Diameter of Shaft Abutment Da(max.) 524 mm Diameter of Housing Abutment ra(max.) 3 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 75 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 85.1 kg Mass(approx.)