SMR681 Stainless Steel Mini Ball Bearing ID 1mm OD 3mm Width 1mm

SMR681 Stainless Steel Ball Bearing
✔️ 1x3x1mm - Miniature Open Type - C3 Clearance

The SMR681 is a miniature deep groove ball bearing with a 1mm bore and open design, made entirely from stainless steel. Its ultra-small size and high-speed capability make it perfect for spinning rings, precision jewelry, and other micro-mechanical applications.

✅ Size: 1mm ID x 3mm OD x 1mm Width
✅ Type: Single Row Deep Groove Ball Bearing 1x3x1mm
✅ Material: Stainless Steel
✅ Cage: Stainless Steel
✅ Clearance: C3 (for high-speed use)
✅ Design: Open (no seals or shields)
✅ Dynamic Load Rating: 0.1 kN
✅ Static Load Rating: 0.03 kN
✅ Max Speed: 150,000 RPM
✅ Quantity: 1 Bearing
✅ Brand: VXB Bearing
✅ SKU: SMR681

💡 Why are miniature bearings like SMR681 used in spinning jewelry?

1. Their ultra-small form factor enables smooth, balanced motion in tight spaces.

2. Stainless steel offers corrosion resistance and longevity in wearables.

3. The high RPM rating ensures fluid spinning for rings, toys, or tiny gadgets.

A precise, compact bearing perfect for elegant, high-performance designs in motion.