Высокоточный двухрядный цилиндрический роликоподшипник NSK NN4920MBKRCC9P5

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 100 mm Bore diameter D 140 mm Outside diameter B 40 mm Width r(min.) 1.1 mm Chamfer Dimension Basic Load Ratings C r 178 kN Basic Dynamic Load Rating C 0r 295 kN Basic Static Load Rating Speeds Grease 6300 min -1 Limiting Speed Oil (Oil-air) 7500 min -1 Limiting Speed Dimensions Ew 130 mm Roller Circumscribed Circle Diameters s 1.2 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 106.5 mm Diameter of Shaft Abutment d1a(min.) 108 mm Diameter of Shaft Abutment Da(min.) 132 mm Diameter of Housing Abutment Da(max.) 133.5 mm Diameter of Housing Abutment ra(max.) 1 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 30 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 10 μm Clearance in Bearings with Cylindrical Bores CC1(max.) 45 μm Clearance in Bearings with Tapered Bores CC1(min.) 25 μm Clearance in Bearings with Tapered Bores CC0(max.) 35 μm Clearance in Bearings with Tapered Bores CC0(min.) 20 μm Clearance in Bearings with Tapered Bores CC9(max.) Clearance CC9 applicale to cylindrical roller bearings with tapered bores in ISO Tolerance Classes 5 and 4. 25 μm Clearance in Bearings with Tapered Bores CC9(min.) Clearance CC9 applicale to cylindrical roller bearings with tapered bores in ISO Tolerance Classes 5 and 4. 10 μm Clearance in Bearings with Tapered Bores 5.4 g/brg Recommended Grease Quantities Holes Dimensions dh 2.5 mm Hole Diameter W 5 mm Oil Groove Width m 4 Number of Holes Mass 1.76 kg Mass(approx.)