Высокоточный двухрядный цилиндрический роликоподшипник NSK NNU4938MBE44CC1P5

Описание

Boundary Dimensions NNU: Outer ring rib type Bearing Type d 190 mm Bore diameter D 260 mm Outside diameter B 69 mm Width r(min.) 2 mm Chamfer Dimension Basic Load Ratings C r 555 kN Basic Dynamic Load Rating C 0r 1060 kN Basic Static Load Rating Speeds Grease 3400 min -1 Limiting Speed Oil (Oil-air) 4000 min -1 Limiting Speed Dimensions Ew 211.5 mm Roller Circumscribed Circle Diameters s 1.3 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 199 mm Diameter of Shaft Abutment d1a(min.) 203 mm Diameter of Shaft Abutment Da(max.) 251 mm Diameter of Housing Abutment ra(max.) 2 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 45 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 15 μm Clearance in Bearings with Cylindrical Bores 30 g/brg Recommended Grease Quantities Holes Dimensions dh 5 mm Hole Diameter W 9 mm Oil Groove Width m 4 Number of Holes Mass 9.91 kg Mass(approx.)