Высокоточный двухрядный цилиндрический роликоподшипник NSK NN4940MBE44CC1P4

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 200 mm Bore diameter D 280 mm Outside diameter B 80 mm Width r(min.) 2.1 mm Chamfer Dimension Basic Load Ratings C r 655 kN Basic Dynamic Load Rating C 0r 1220 kN Basic Static Load Rating Speeds Grease 3200 min -1 Limiting Speed Oil (Oil-air) 3800 min -1 Limiting Speed Dimensions Ew 259 mm Roller Circumscribed Circle Diameters s 3.3 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 211 mm Diameter of Shaft Abutment d1a(min.) 214 mm Diameter of Shaft Abutment Da(min.) 261 mm Diameter of Housing Abutment Da(max.) 269 mm Diameter of Housing Abutment ra(max.) 2 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 45 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 15 μm Clearance in Bearings with Cylindrical Bores 44 g/brg Recommended Grease Quantities Holes Dimensions dh 5 mm Hole Diameter W 9 mm Oil Groove Width m 4 Number of Holes Mass 14.0 kg Mass(approx.)