Высокоточный двухрядный цилиндрический роликоподшипник NSK NN49/630KCC9P4Y

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 630 mm Bore diameter D 850 mm Outside diameter B 218 mm Width r(min.) 6 mm Chamfer Dimension Basic Load Ratings C r 4200 kN Basic Dynamic Load Rating C 0r 11400 kN Basic Static Load Rating Speeds Grease 800 min -1 Limiting Speed Oil (Oil-air) 1000 min -1 Limiting Speed Dimensions Ew 793 mm Roller Circumscribed Circle Diameters s 2.8 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 656 mm Diameter of Shaft Abutment d1a(min.) 674 mm Diameter of Shaft Abutment Da(min.) 796 mm Diameter of Housing Abutment Da(max.) 824 mm Diameter of Housing Abutment ra(max.) 5 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 115 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 30 μm Clearance in Bearings with Cylindrical Bores CC1(max.) 230 μm Clearance in Bearings with Tapered Bores CC1(min.) 115 μm Clearance in Bearings with Tapered Bores CC0(max.) 145 μm Clearance in Bearings with Tapered Bores CC0(min.) 85 μm Clearance in Bearings with Tapered Bores CC9(max.) 115 μm Clearance in Bearings with Tapered Bores CC9(min.) 55 μm Clearance in Bearings with Tapered Bores Holes Dimensions dh 12 mm Hole Diameter W 20 mm Oil Groove Width m 4 Number of Holes Mass 328 kg Mass(approx.)