SKF Bearing 61811 Deep Groove Ball Bearing 55 Millimeter Bore Two And One Sixth Inch Inner Diameter Cylindrical Bore With Sheet Metal Cage No Lubricant 8.84 Kilonewton Dynamic Load 6.8 Kilonewton Static Load Up To 12000 RPM High Speed Workhorse

SKF 61811 Deep Groove Ball Bearing: 55mm Bore, 12,000 RPM
✔️ 55 mm bore, 2 1/6 in ID, sheet metal cage, single unit

SKF 61811 is a single-row deep groove ball bearing with a cylindrical bore and a sheet metal cage. It’s built for high-speed, low-friction operation in machinery like motors, conveyors, and precision equipment that need solid radial support without lubricant.

✅ Bore diameter: 55 mm (2 1/6 in)
✅ Outer diameter: 72 mm (2 5/6 in)
✅ Width: 9 mm
✅ Cage: sheet metal
✅ Dynamic load rating: 8.84 kN; Static load rating: 6.8 kN
✅ Limiting speed: 12,000 r/min
✅ Lubricant: none

💡 What is a deep groove ball bearing used for in industry? Deep groove bearings are handy for radial loads in rotating equipment.

- Provides smooth radial support for motors, gearboxes, and conveyors - Handles high-speed rotation with low friction in compact machinery - Suitable for clean, dry operating environments where lubricant is not present