8x16x5mm 688ZZ L-1680HH P6 Miniature Bearing for Electric Motors
| Item No : | 688ZZ / 688-2Z (P6 Grade) |
| Size (d*D*B) : | 8x16x5mm |
| Material : | Chrome steel Gcr15 |
| Lead Time : | 3-5 days |
| Weight : | 0.0037KG |
| MOQ : | 100 pcs |
⚙️Product Description:
Designing high-RPM micro-motors or precision instruments where micro-vibrations can ruin performance? Our RMO Brand 688ZZ P6 Class Precision Deep Groove Ball Bearing (Size: 8x16x5mm) offers the exact engineering standard you need. Manufactured to strict ISO P6 (ABEC-3) tolerance levels, this miniature bearing delivers superior dimensional accuracy, lower running friction, and exceptionally quiet operation compared to standard P0 bearings. Outfitted with dual-sided metal shields (ZZ), it blocks external particulates while maintaining factory grease. As an agile B2B bearing trader, we offer this high-precision 8mm bore component under our own cost-effective “RMO” brand to maximize your wholesale margins, or source other global market-leading brands through our trade network to perfectly match your client’s brand preferences.
⚙️Product Features:
- ISO P6 (ABEC-3) High Precision: Tighter dimensional and running tolerances ensure reduced rotational runout, minimal vibration, and smooth performance under high-speed operation.
- Double Metal Shields (ZZ): Pressed carbon steel shields prevent the ingress of dust and debris while ensuring excellent lifetime synthetic grease retention.
- Super-Finished Radial Raceways: Advanced micro-honing on the internal grooves minimizes torque resistance, running temperature, and acoustic noise levels.
- High-Purity Hardened Chrome Steel: Rings and rolling elements are forged from vacuum-degasified GCr15 chrome steel, deep-hardened to withstand consistent wear.
- Dual Brand Supply Advantage: Expand your B2B distribution options with our highly profitable direct factory RMO brand, or request our sourcing team to secure global premium tier-1 brands.
⚙️Product Applications:
Formulated for low noise, minimal vibration, and premium speed endurance, the 688ZZ P6 bearing is widely utilized in:
- Precision miniature electric motors, brushless DC (BLDC) motors, and stepper drives.
- Handheld power tools, dental equipment, and micro pneumatic devices.
- High-end RC models, professional racing slots, and remote-controlled drone rotors.
- Office automation appliances, heavy-duty computer cooling fans, and high-speed copiers.
- Medical diagnostic apparatus, smart wearable testing hardware, and 3D printer extruders.
⚙️Precautions:
| 1. Keep clean | 2. Use with caution | 3. appropriate tool | 4. Hot-loading | 5. Be careful of rust |
| Dust will have a bad effect on the bearing, so keep the surrounding clean. | Strong impact during use can easily cause scratches and indentations. | Avoid replacing existing tools, and use appropriate tools. | Bearings are precision parts, so hot installation is recommended. | Sweat on your hands during operation will cause rust, so it is best to wear gloves. |
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⚙️Obtain Certificate:
About Rimao
Since its establishment in 2011, Rimao Bearing has combined international vision with local wisdom and injected innovative ideas into every bearing and pulley with its profound industry accumulation and unremitting pursuit of technology. We have not only passed CE and ROHS certification, but also set a new benchmark in the industry and led the development trend of the bearing industry.
We are not just a ball bearing and roller bearing importer and wholesaler. We provide real solutions to help you achieve the product and design goals set by your customers. With more than 20 years of production and sales experience, tens of thousands of models and specifications, we look forward to cooperating with you!
⚙️Technical Parameters:
| Model No. | L-1680HH / 688ZZ / 688-2Z (P6 Grade) |
| Size | 8x16x5mm |
| Bearing Type | Miniature Deep Groove Ball Bearing |
| Sealing Form | |
| Rings & Balls Material | Chrome Steel GCr15 |
| Precision Class | ISO P6 / ABEC-3 Standard |
| Vibration / Noise Level | |
| Limiting Speed | |
| Package | Individual plastic bag, plastic tube or original RMO brand box |
| Brand | RMO / NMB / Neutral / OEM |
| Lead Time | 3-5 days for stock; 7-15 days for bulk orders |
| Shipping | Express (DHL/FedEx/UPS), Air Freight, Sea Freight |
| Payment | 100% T/T, or 30% T/T In Advance, 70% T/T After Finished Production |
| Model No. | d | D | H | m |
| 682-2Z | 2 mm | 5 mm | 2.3 mm | 1 g |
| 683-2Z | 3 mm | 7 mm | 3 mm | 1 g |
| 684-2Z | 4 mm | 9 mm | 4 mm | 2 g |
| 685-2Z | 5 mm | 11 mm | 5 mm | 2 g |
| 686-2Z | 6 mm | 13 mm | 5 mm | 3 g |
| 687-2Z | 7 mm | 14 mm | 5 mm | 3 g |
| 688-2Z | 8 mm | 16 mm | 5 mm | 4 g |
| 689-2Z | 9 mm | 17 mm | 5 mm | 5 g |
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