




S6004-2RS Bearing Ceramic Si3N4 Sealed ABEC-5 20x42x12mm
UPC: 00193019274088
Type: Deep Groove Radial Ball Bearing
Clearance: C3
Balls: Ceramic Si3N4
Cage: Stainless Steel
S6004-2RS ABEC-5 Hybrid Ceramic Bearing
✔️ Stainless Steel + Si3N4 Balls - 20mm x 42mm x 12mm
The S6004-2RS is a premium-grade hybrid ceramic bearing made with stainless steel races, solid Si3N4 ceramic balls, and rubber seals on both sides. Designed to handle high speeds with low noise and friction, it’s perfect for electric motors, precision tools, and demanding performance gear.
✅ ABEC-5 rated for high-precision, smooth operation
✅ Si3N4 ceramic balls for reduced weight and friction
✅ Stainless steel cage and raceways for durability and corrosion resistance
✅ Double rubber seals to block out contaminants
✅ Pre-lubricated with SRL-grade grease
✅ C3 clearance for high-speed thermal expansion
✅ Size: 20mm ID x 42mm OD x 12mm width
✅ Sold as 1 hybrid sealed bearing
Dimensions Table (mm):
Inner Diameter | Outer Diameter | Width | Clearance | Rating |
---|---|---|---|---|
20 mm | 42 mm | 12 mm | C3 | ABEC-5 |
💡Why choose ABEC-5 hybrid ceramic bearings for electric motors or precision tools?
These bearings are engineered for ultra-smooth, long-life performance in high-demand setups:
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Ceramic balls spin faster and cooler than steel
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Tighter ABEC-5 tolerances = smoother rotation
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Sealed design keeps out dust and moisture
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Ideal for high-RPM motors, robotics, and 3D printers
Looking to reduce friction and boost speed? Add this bearing to your cart and experience high-performance rotation with zero fuss.