Высокоточный двухрядный цилиндрический роликоподшипник NSK NNU4934MBCC1P4

Описание

Boundary Dimensions NNU: Outer ring rib type Bearing Type d 170 mm Bore diameter D 230 mm Outside diameter B 60 mm Width r(min.) 2 mm Chamfer Dimension Basic Load Ratings C r 435 kN Basic Dynamic Load Rating C 0r 805 kN Basic Static Load Rating Speeds Grease 3800 min -1 Limiting Speed Oil (Oil-air) 4500 min -1 Limiting Speed Dimensions Ew 187 mm Roller Circumscribed Circle Diameters s 1.3 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 179 mm Diameter of Shaft Abutment d1a(min.) 182 mm Diameter of Shaft Abutment Da(max.) 221 mm Diameter of Housing Abutment ra(max.) 2 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 40 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 10 μm Clearance in Bearings with Cylindrical Bores 21 g/brg Recommended Grease Quantities Holes Dimensions dh 4 mm Hole Diameter W 8 mm Oil Groove Width m 4 Number of Holes Mass 6.50 kg Mass(approx.)