Высокоточный двухрядный цилиндрический роликоподшипник NSK NN49/670KCC0P4Y

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 670 mm Bore diameter D 900 mm Outside diameter B 230 mm Width r(min.) 6 mm Chamfer Dimension Basic Load Ratings C r 4150 kN Basic Dynamic Load Rating C 0r 11500 kN Basic Static Load Rating Speeds Grease 700 min -1 Limiting Speed Oil (Oil-air) 900 min -1 Limiting Speed Dimensions Ew 838 mm Roller Circumscribed Circle Diameters s 6.3 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 696 mm Diameter of Shaft Abutment d1a(min.) 715 mm Diameter of Shaft Abutment Da(min.) 841 mm Diameter of Housing Abutment Da(max.) 874 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 CC1(max.) 260 μm Clearance in Bearings with Tapered Bores CC1(min.) 130 μm Clearance in Bearings with Tapered Bores CC0(max.) 160 μm Clearance in Bearings with Tapered Bores CC0(min.) 90 μm Clearance in Bearings with Tapered Bores CC9(max.) 130 μm Clearance in Bearings with Tapered Bores CC9(min.) 60 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 419 kg Mass(approx.)