1.5x4x2mm 681XZZ Shielded Micro Bearings for Drones & Precision Instruments
| Item No : | |
| Size (d*D*B) : | 1.5x4x2mm |
| Material : | Chrome Steel (GCr15 / 100Cr6) |
| Lead Time : | 3-5 days |
| Weight : | 0.0001KG |
| MOQ : | 100 pcs |
| Service : | Support Sample Testing |
⚙️Product Description:
The 681XZZ is an ultra-small, precision miniature deep groove ball bearing with an inner diameter of 1.5mm, an outer diameter of 4mm, and a width of 2mm. Featuring dual metal shields (ZZ) for effective dust protection and lubricant retention, this micro bearing is engineered for high-speed performance, low torque, and minimal noise. We supply high-performance RMO brand 681XZZ bearings along with flexible sourcing solutions for other world-renowned bearing brands to fulfill your specific OEM and industrial requirements.
⚙️Product Features:
- Ultra-Compact Precision: 1.5x4x2mm miniature dimensions engineered for high-density, space-constrained micro-mechanisms.
- Dual Metal Shielded (ZZ): Premium metal dust covers prevent particle contamination while maintaining smooth rotational torque.
- Low Torque & Ultra-Quiet Operation: Optimized raceway super-finishing delivers low friction losses and quiet operation under high speeds.
- Dual-Brand Sourcing Solution: Available in our cost-effective, premium-quality RMO brand, as well as original major global brands upon request.
- High-Speed Stability: Precision grade options (ABEC-1 to ABEC-5) ensuring consistent performance in high-RPM micro motors.
⚙️Product Application:
- Micro Drones & RC Models: Core rotational support for brushless micro motors, gimbals, and high-RPM drone components.
- Precision Medical & Dental Devices: Ideal for ultra-small medical handpieces, micro pumps, and diagnostic equipment.
- Robotics & Smart Automation: Precision micro-actuators, robotic joint encoders, and micro servo systems.
- Consumer Electronics & Optics: Camera focus modules, micro cooling fans, optical sensing units, and smart wearables.
⚙️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. |
 |  |  |  |  |
⚙️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 / Industry No. | 681XZZ / 681X ZZ / W681X-ZZ |
| Dimensions | 1.5x4x2mm |
| Bearing Type | Micro Deep Groove Ball Bearing |
| Closure Type | Dual Metal Shields (ZZ / 2Z) |
| Precision Rating | ABEC-1 (P0) / ABEC-3 (P6) / ABEC-5 (P5) Optional |
| Material Options | Chrome Steel GCr15 / Stainless Steel |
| Lubrication | Pre-lubricated with Premium Micro-Grease / Light Oil |
| Dynamic Load Rating (Cr) | Approx. 112 N |
| Static Load Rating (C0r) | Approx. 33 N |
| Brand | RMO (Own Brand) / Neutral / OEM Custom / Other Global Brands |
| Package | Individual plastic bag, plastic tube or original RMO brand box |
| Lead Time | 3-5 days for stock; 7-15 days for bulk orders |
| Shipping | Express (DHL/FedEx/UPS), Air Freight, Sea Freight |
| Payment | 100% TT, or 30% TT In Advance, 70% TT After Finished Production |
leave a message
If you are interested in our products and want to know more details, please leave a message here, we will reply you as soon as we can.
You may also like
