Высокоточный двухрядный цилиндрический роликоподшипник NSK NN3976CC1P4Y

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 380 mm Bore diameter D 520 mm Outside diameter B 106 mm Width r(min.) 4 mm Chamfer Dimension Basic Load Ratings C r 1250 kN Basic Dynamic Load Rating C 0r 2730 kN Basic Static Load Rating Speeds Grease 1500 min -1 Limiting Speed Oil (Oil-air) 1800 min -1 Limiting Speed Dimensions Ew 484 mm Roller Circumscribed Circle Diameters s 3.5 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 396 mm Diameter of Shaft Abutment d1a(min.) 405 mm Diameter of Shaft Abutment Da(min.) 487 mm Diameter of Housing Abutment Da(max.) 504 mm Diameter of Housing Abutment ra(max.) 3 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 75 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 63.5 kg Mass(approx.)