Высокоточный двухрядный цилиндрический роликоподшипник NSK NN4936MBKRCC0P4

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 180 mm Bore diameter D 250 mm Outside diameter B 69 mm Width r(min.) 2 mm Chamfer Dimension Basic Load Ratings C r 550 kN Basic Dynamic Load Rating C 0r 1020 kN Basic Static Load Rating Speeds Grease 3500 min -1 Limiting Speed Oil (Oil-air) 4200 min -1 Limiting Speed Dimensions Ew 232 mm Roller Circumscribed Circle Diameters s 1.3 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 189 mm Diameter of Shaft Abutment d1a(min.) 193 mm Diameter of Shaft Abutment Da(min.) 234 mm Diameter of Housing Abutment Da(max.) 241 mm Diameter of Housing Abutment ra(max.) 2 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 40 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 10 μm Clearance in Bearings with Cylindrical Bores CC1(max.) 75 μm Clearance in Bearings with Tapered Bores CC1(min.) 35 μm Clearance in Bearings with Tapered Bores CC0(max.) 50 μm Clearance in Bearings with Tapered Bores CC0(min.) 30 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. 35 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. 15 μm Clearance in Bearings with Tapered Bores 28 g/brg Recommended Grease Quantities Holes Dimensions dh 5 mm Hole Diameter W 9 mm Oil Groove Width m 4 Number of Holes Mass 9.47 kg Mass(approx.)