SKF Bearing 309 NR C3 45 Millimeter Bore Beefy 55 KiloNewton Dynamic Load 44 KiloNewton Static Load 7500 RPM With Snap Ring Outer Ring Locating Sheet Metal Cage Bearing Steel

Regular price $193.99 Sale price$260.00you save $66.01
SKU: SKF-317709
UPC:





SKF 309 NR C3 45mm Bore Heavy-Duty Ball Bearing
✔️ Pack: single bearing, 45 mm bore, 25 mm width, 116 mm pack

SKF Bearing 309 NR C3 is a single-row radial ball bearing with a cylindrical bore and snap-ring outer ring. Its robust bearing steel construction and sheet metal cage make it ideal for light to medium duty industrial machinery, conveyors, and automation equipment where precise alignment and dependable motion matter.

✅ Basic Dynamic Load Rating: 55 kN
✅ Basic Static Load Rating: 44 kN
✅ Bearing Material: Bearing steel
✅ Outer Ring Locating: Snap ring (fitted)
✅ Bore Diameter: 45 mm (1.77 in)
✅ Bore Type: Cylindrical
✅ Cage: Sheet metal
✅ Filling Slots: With
✅ Limiting Speed: 7500 r/min
✅ Radial Internal Clearance: C3
✅ Reference Speed: 13000 r/min
✅ Pack Height: 116 mm (4.57 in)
✅ Pack Length: 114 mm (4.49 in)
✅ Pack Width: 31 mm (1.22 in)
✅ O.D.: 106.68 mm (4.20 in)
✅ Width: 25 mm (0.98 in)

💡 What is a ball bearing used for in standard industrial machinery and how does it improve performance?
Essentially, these bearings support rotating shafts while minimizing friction, improving efficiency and life.
- Radial load support and reduced friction in rotating parts
- Axial load handling depends on the bearing type and arrangement
- Improved efficiency and longer service life in conveyors, motors, and gearboxes