Высокоточный двухрядный цилиндрический роликоподшипник NSK NNU4926MBE44CC1P4

Описание

Boundary Dimensions NNU: Outer ring rib type Bearing Type d 130 mm Bore diameter D 180 mm Outside diameter B 50 mm Width r(min.) 1.5 mm Chamfer Dimension Basic Load Ratings C r 315 kN Basic Dynamic Load Rating C 0r 545 kN Basic Static Load Rating Speeds Grease 4900 min -1 Limiting Speed Oil (Oil-air) 5900 min -1 Limiting Speed Dimensions Ew 144 mm Roller Circumscribed Circle Diameters s 1.2 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 138 mm Diameter of Shaft Abutment d1a(min.) 140 mm Diameter of Shaft Abutment Da(max.) 172 mm Diameter of Housing Abutment ra(max.) 1.5 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 35 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 10 μm Clearance in Bearings with Cylindrical Bores 11 g/brg Recommended Grease Quantities Holes Dimensions dh 3 mm Hole Diameter W 6 mm Oil Groove Width m 4 Number of Holes Mass 3.48 kg Mass(approx.)