Высокоточный двухрядный цилиндрический роликоподшипник NSK NN4934MBKRCC0P4

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 170 mm Bore diameter D 230 mm Outside diameter B 60 mm Width r(min.) 2 mm Chamfer Dimension Basic Load Ratings C r 435 kN Basic Dynamic Load Rating C 0r 805 kN Basic Static Load Rating Speeds Grease 3800 min -1 Limiting Speed Oil (Oil-air) 4500 min -1 Limiting Speed Dimensions Ew 215 mm Roller Circumscribed Circle Diameters s 1.3 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 179 mm Diameter of Shaft Abutment d1a(min.) 182 mm Diameter of Shaft Abutment Da(min.) 217 mm Diameter of Housing Abutment Da(max.) 221 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 21 g/brg Recommended Grease Quantities Holes Dimensions dh 4 mm Hole Diameter W 8 mm Oil Groove Width m 4 Number of Holes Mass 6.42 kg Mass(approx.)