Высокоточный двухрядный цилиндрический роликоподшипник NSK NN3038MBE44CC1P4Y

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 190 mm Bore diameter D 290 mm Outside diameter B 75 mm Width r(min.) 2.1 mm Chamfer Dimension Basic Load Ratings C r 685 kN Basic Dynamic Load Rating C 0r 1080 kN Basic Static Load Rating Speeds Grease 3200 min -1 Limiting Speed Oil (Oil-air) 3800 min -1 Limiting Speed Dimensions Ew 265 mm Roller Circumscribed Circle Diameters s 1.1 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 201 mm Diameter of Shaft Abutment d1a(min.) 203 mm Diameter of Shaft Abutment Da(min.) 268 mm Diameter of Housing Abutment Da(max.) 279 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 54 g/brg Recommended Grease Quantities Holes Dimensions dh 5 mm Hole Diameter W 9 mm Oil Groove Width m 4 Number of Holes Mass 16.7 kg Mass(approx.)