Высокоточный двухрядный цилиндрический роликоподшипник NSK NN4952MBCC1P5

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 260 mm Bore diameter D 360 mm Outside diameter B 100 mm Width r(min.) 2.1 mm Chamfer Dimension Basic Load Ratings C r 1070 kN Basic Dynamic Load Rating C 0r 2100 kN Basic Static Load Rating Speeds Grease 2100 min -1 Limiting Speed Oil (Oil-air) 2600 min -1 Limiting Speed Dimensions Ew 335 mm Roller Circumscribed Circle Diameters s 2.4 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 271 mm Diameter of Shaft Abutment d1a(min.) 275 mm Diameter of Shaft Abutment Da(min.) 338 mm Diameter of Housing Abutment Da(max.) 349 mm Diameter of Housing Abutment ra(max.) 2 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 55 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 20 μm Clearance in Bearings with Cylindrical Bores 88 g/brg Recommended Grease Quantities Holes Dimensions dh 6 mm Hole Diameter W 12 mm Oil Groove Width m 4 Number of Holes Mass 28.4 kg Mass(approx.)