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10-Pack 1x3x1mm Mini Ball Bearing for Spinning Rings & Jewelry
UPC: 00193019037683
Type: Deep groove Ball Bearings
Material: Stainless Steel
Shields: Open
Inner Diameter: 1mm
S681 Stainless Steel Mini Ball Bearings - 10 Pack
✔️ 1mm x 3mm x 1mm - Open Type - Ideal for Jewelry & Micro Applications
This 10-pack of S681 stainless steel ball bearings features a compact 1mm x 3mm x 1mm size and a full complement (no cage) design. Perfect for spinning rings, jewelry, and other miniature precision applications, these bearings offer ultra-smooth performance and are built for durability in small-scale systems.
✅ Size: 1mm inner x 3mm outer x 1mm width
✅ Type: Deep groove ball bearing (open)
✅ Material: Stainless steel
✅ Design: Full complement (no cage)
✅ Dynamic load rating: 100 N
✅ Static load rating: 30 N
✅ Max speed (grease): 130,000 RPM
✅ Max speed (oil): 150,000 RPM
✅ Quantity: 10 bearings
✅ Equivalent to: 681, L-310
✅ Common use: Spinning rings, jewelry, hobby builds
💡 Why use micro ball bearings in jewelry?
Micro bearings provide smooth, silent rotation in small components like spinning rings or fidget jewelry. They’re also corrosion-resistant and designed to fit in tight spaces without sacrificing movement.
Tiny in size but built for motion - perfect for high-speed rotation in delicate, precise designs.
This company is good on quality and timely delivery.
great
Although they are not as good as if they were ceramic hybrids they still can handle the high RPM