Высокоточный двухрядный цилиндрический роликоподшипник NSK NNU49/710BCC1P4

Описание

Boundary Dimensions NNU: Outer ring rib type Bearing Type d 710 mm Bore diameter D 950 mm Outside diameter B 243 mm Width r(min.) 6 mm Chamfer Dimension Basic Load Ratings C r 4450 kN Basic Dynamic Load Rating C 0r 12600 kN Basic Static Load Rating Speeds Grease 700 min -1 Limiting Speed Oil (Oil-air) 900 min -1 Limiting Speed Dimensions Ew 775 mm Roller Circumscribed Circle Diameters s 11.4 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 736 mm Diameter of Shaft Abutment d1a(min.) 756 mm Diameter of Shaft Abutment Da(max.) 924 mm Diameter of Housing Abutment ra(max.) 5 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 130 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 30 μm Clearance in Bearings with Cylindrical Bores Holes Dimensions dh 12 mm Hole Diameter W 20 mm Oil Groove Width m 4 Number of Holes Mass 472 kg Mass(approx.)