Высокоточный двухрядный цилиндрический роликоподшипник NSK NN3992CC1P4Y

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 460 mm Bore diameter D 620 mm Outside diameter B 118 mm Width r(min.) 4 mm Chamfer Dimension Basic Load Ratings C r 1610 kN Basic Dynamic Load Rating C 0r 3700 kN Basic Static Load Rating Speeds Grease 1100 min -1 Limiting Speed Oil (Oil-air) 1300 min -1 Limiting Speed Dimensions Ew 578 mm Roller Circumscribed Circle Diameters s 3.8 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 476 mm Diameter of Shaft Abutment d1a(min.) 486 mm Diameter of Shaft Abutment Da(min.) 581 mm Diameter of Housing Abutment Da(max.) 604 mm Diameter of Housing Abutment ra(max.) 3 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 95 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 25 μm Clearance in Bearings with Cylindrical Bores Holes Dimensions dh 6 mm Hole Diameter W 12 mm Oil Groove Width m 4 Number of Holes Mass 94.5 kg Mass(approx.)