S6004-2RS Ball Bearing Hybrid Ceramic ABEC-5 Stainless Steel Si3N4
UPC: 00193019052990
Type: Deep Groove Radial Ball Bearing
Cage: Nylon Cage
Balls: Ceramic Si3N4
Radial Clearance: C3
S6004-2RS Sealed Hybrid Ceramic Ball Bearing
✔️ ABEC-5 Precision - Si3N4 Balls & Stainless Steel - 20x42x12mm
This S6004-2RS is a premium hybrid ceramic deep groove bearing built for speed and durability. It features high-precision ABEC-5 tolerances, stainless steel races, Si3N4 ceramic balls, and a tough nylon cage. Perfect for electric motors, 3D printers, and performance gear that demands quiet, smooth, long-lasting rotation.
âś… ABEC-5 precision for smooth, accurate high-speed rotation
âś… Si3N4 solid ceramic balls - lightweight, tough, and heat-resistant
âś… Stainless steel races for corrosion protection
âś… C3 clearance handles thermal expansion at high RPMs
âś… Nylon cage for reduced friction and wear
âś… Double rubber seals block out dust and moisture
âś… Lubed with SRL grease - no maintenance needed
âś… Size: 20mm x 42mm x 12mm
âś… Sold as: 1 Bearing
Dimensions Table (mm):
| Inner Diameter | Outer Diameter | Width | Clearance | Cage Material |
|---|---|---|---|---|
| 20 mm | 42 mm | 12 mm | C3 | Nylon |
đź’ˇ Why use a hybrid ceramic bearing with Si3N4 balls in high-speed equipment?
Because they outperform steel bearings where it counts:
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Si3N4 balls are 60% lighter and harder than steel - less friction, more speed
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Hybrid ceramic bearings resist wear, heat, and corrosion
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Nylon cage and C3 clearance = quiet, high-RPM stability
If you're chasing smooth, low-noise, high-RPM performance - this is your bearing. Grab one now and let your machine glide like butter!