フルコンプリメントセラミックボールベアリング 6004 Si3N420x42x12mm ケイ素ベアリング20x42x12mm 、低摩擦、優れた耐摩耗性、軽量、耐高温性、耐食性を備え、長寿命を実現します。

Ceramic 6004 Bearing, Si3N4, 20x42x12 mm wide
✔️ 20x42x12 mm full ceramic Si3N4 bearing, no cage, 1 pc

6004 Full Complement Ceramic Ball Bearing made from Si3N4 silicon nitride delivers low friction, high rigidity, and corrosion resistance for dependable performance. This open-bearing unit is ideal for high-speed rotary applications in robotics, CNC machines, medical devices, and lab equipment where precision and longevity matter. Dimensions: bore 20 mm, outer diameter 42 mm, width 12 mm (20x42x12 mm / 0.79 x 1.65 x 0.47 in).

✅ Inner diameter: 20 mm
✅ Outer diameter: 42 mm
✅ Width: 12 mm
✅ Material: Si3N4 silicon nitride ceramic
✅ Cage: none (full-complement design)
✅ Quantity: 1 bearing

💡 What is a ceramic ball bearing used for in high-precision machinery? This handy overview explains its role in demanding equipment.

- High-speed, low-friction operation for precise drives
- Temperature stability and long service life in repetitive cycles
過酷な環境下での耐腐食性
- Consistent performance in robotics, CNC, instrumentation