7001B アンギュラ玉軸受 -12x28x8mm - 高速/精密

7001B angular contact ball bearing 12mm x 28mm x 8mm
✔️ High-speed single-row bearing for accurate spindle and motor work

This 7001B angular contact bearing is a handy choice for fast-running spindles, motors, and precision machines that need clean radial support with one-direction axial load handling. Its chrome steel build and tight geometry help keep rotation smooth even when the speed climbs.

✅ Metric size: 12mm ID x 28mm OD x 8mm width
✅ Single-row angular contact design for one-direction axial load
✅ Chrome steel 52100 construction
✅ Dynamic load rating: 5,050 N
✅ Static load rating: 2,710 N
✅ Max speed: 22,000 RPM (grease) / 29,000 RPM (oil)
✅ Pack size: 1 bearing

Dimensions Table
ID: 12mm
OD: 28mm
Width: 8mm

💡 How does an angular contact bearing improve high-speed spindle performance?
Angular contact geometry supports combined loads while keeping rotation tight at high RPM.
- Maintains stable alignment under axial pressure
- Reduces vibration in precision spindle setups
- Handles mixed loads better than standard deep groove bearings
- Ideal for motors, routers, and high-speed machine shafts

A smooth, steady option when your build needs fast rotation without sacrificing stability.