Высокоточный двухрядный цилиндрический роликоподшипник NSK NNU49/750CC1P4Y

Описание

Boundary Dimensions NNU: Outer ring rib type Bearing Type d 750 mm Bore diameter D 1000 mm Outside diameter B 250 mm Width r(min.) 6 mm Chamfer Dimension Basic Load Ratings C r 5500 kN Basic Dynamic Load Rating C 0r 15900 kN Basic Static Load Rating Speeds Grease 700 min -1 Limiting Speed Oil (Oil-air) 800 min -1 Limiting Speed Dimensions Ew 826 mm Roller Circumscribed Circle Diameters s 7.1 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 776 mm Diameter of Shaft Abutment d1a(min.) 797 mm Diameter of Shaft Abutment Da(max.) 974 mm Diameter of Housing Abutment ra(max.) 5 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 145 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 35 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 530 kg Mass(approx.)