Высокоточный двухрядный цилиндрический роликоподшипник NSK NNU4920MBCC1P4Y

Описание

Boundary Dimensions NNU: Outer 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 112 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(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 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 1.75 kg Mass(approx.)