J-LIN-02R-30 RJUM-02-30 Self-Lubricating Plastic Linear Bearing Supplier
| Item No : | J-LIN-02R-30 / RJUM-02-30 |
| Size (d*D*B) : | 30x40x50mm |
| Material : | Aluminum Alloy + Engineering Plastic |
| Lead Time : | 3-5 days |
| Weight : | 0.055KG |
| MOQ : | 50 pcs |
⚙️Product Description:
Looking for an oil-free, high-performance upgrade to replace noisy metallic linear ball bearings? Our J-LIN-02R-30 / RJUM-02-30 Plastic Linear Bearing (Size: 30x40x50mm) is engineered from premium solid engineering polymers, offering a completely maintenance-free and lubrication-free linear motion solution. Designed to run dry on aluminum, steel, or carbon fiber shafts, it excels in harsh environments prone to dust, moisture, and chemical exposure. As a versatile B2B bearing partner, we provide these high-grade polymer bushings under our proprietary “RMO” brand for optimized cost-efficiency, or source top-tier international polymer bearing brands to seamlessly match your engineering specifications.
⚙️Product Features:
- 100% Lubrication-Free Operations: Eliminates the need for external oil or grease, making it perfect for cleanroom, food-grade, and dust-heavy environments.
- Dimensional Interchangeability: Built strictly to 30mm (Bore) x 40mm (OD) x 50mm (Length), allowing direct 100% drop-in replacement for standard metallic LM30UU ball bearings.
- Excellent Corrosion & Dirt Resistance: Extremely resilient against water, chemicals, sand, and sawdust; it features an optimized groove design to expel contaminants.
- Whisper-Quiet & Vibration Dampening: Solid polymer construction dampens mechanical vibrations, providing incredibly smooth and quiet linear travel.
- Flexible Branding Options: Boost your profit margins with our factory-direct RMO brand, or request our trade supply network to procure authentic international market-leading brands.
⚙️Product Application:
Due to its corrosion-resistant, lightweight, and dry-running capabilities, the RJUM-02-30 bearing is highly sought after in:
- Food processing, automated beverage bottling, and pharmaceutical packaging equipment.
- 3D printers, large-scale CNC routers, and high-precision laser engraving axes.
- Semiconductor manufacturing cleanrooms and electronic component pick-and-place lines.
- Textile machinery, woodworking machinery, and stone cutting systems.
- Marine automation, outdoor solar tracking arrays, and aerospace sub-assemblies.
⚙️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:
| Item No. | J-LIN-02R-30 / RJUM-02-30 |
| Size | 30mm × 40mm × 50mm |
| Outer Sleeve Material | Anodized Aluminum Alloy |
| Liner/Sliding Film Material | High-Performance Engineering Plastic |
| Lubrication Requirement | 100% Dry Operation / Self-lubricating |
| Working Temperature Range | -40°C to +120°C |
| Package | |
| Brand | RMO/Neutral/OEM/Other Brands |
| Lead Time | 3-5 days for stock; 7-15 days for bulk orders |
| Service | Support Sample Testing |
| Shipping | |
| Payment | 100% T/T, or 30% T/T In Advance ,70% T/T After Finished Production |
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