Stainless Steel ABEC 3 Ball Bearing Open Deep Groove 11 x 21 x 5 For Precision Machinery And DIY Projects 11mm Inner Diameter 21mm Outer Diameter 5mm Width Ideal For RC Cars Robots And Gearboxes

Single 11x21x5 Stainless ABEC-3 Ball Bearing
✔️ Pack: 1 bearing; size 11x21x5 mm; stainless steel, ABEC-3 precision

The 11x21x5 stainless steel ball bearing is a single, open, deep groove bearing designed for high-speed, lightweight applications. It's ideal for small motors, hobby RC builds, fans, and compact machinery where precise rotation matters.

✅ Size: ID 11 mm, OD 21 mm, width 5 mm
✅ Material: stainless steel, open closure
✅ ABEC-3 precision rating for smooth, reliable rotation
✅ Dynamic load rating Cr: 1,920 N; Static load rating Cor: 1,040 N
✅ Limiting speed: Grease 32,000 RPM; Oil 39,000 RPM
✅ Quantity: 1 bearing

💡 What is a handy stainless steel ABEC-3 ball bearing used for in small machinery? This type of bearing is built for dependable, smooth motion in compact setups.

- Common uses include small electric motors, hobby RC builds, and compact gear shafts. - ABEC-3 tolerance helps maintain consistent speeds and reduces wobble in lightweight systems. - Stainless steel provides solid corrosion resistance and long service life in typical workshop environments.