Corrosion Resistant 608 Polypropylene Plastic Ball Bearing for Plating Lines
| Item No : | 608 PP bearing |
| Size (d*D*B) : | 8x22x7mm |
| Material : | Polypropylene PP |
| Lead Time : | 3-5 days |
| Weight : | 0.002KG |
| MOQ : | 100 Pcs |
⚙️Product Description:
The 608 PP plastic deep groove ball bearing is engineered with an 8 mm bore diameter, 22 mm outer diameter, and 7 mm width. Constructed with high-purity Polypropylene (PP) inner and outer rings, an engineered polymer cage, and precision glass or 316 stainless steel balls, this widely-used standard miniature bearing provides outstanding resistance to chemical solvents, acids, and alkalis. It runs smoothly without lubrication, eliminates operational noise, and offers complete electrical insulation. As a trusted trade partner, we supply immediate factory inventory of our proprietary RMO brand alongside global brand sourcing options for chemical, plating, and laboratory conveyor applications.
⚙️Product Features:
- Chemical and Acid-Alkali Resistance: Polypropylene rings paired with inert glass or 316 stainless balls resist harsh acid baths and chemical agents without rusting or pitting.
- Lightweight and Non-Magnetic Design: Low-density PP plastic reduces rotational inertia and ensures zero magnetic interference in sensitive electronic equipment.
- 100% Oil-Free Dry Operation: Functions efficiently without grease lubrication, preventing liquid contamination in cleanroom, laboratory, and food handling processes.
- Complete Electrical Insulation: The non-conductive polymer structure blocks galvanic currents, preventing electrical pitting and static discharge build-up.
- Flexible Dual Sourcing Options: Factory-direct stock of cost-effective RMO brand bearings paired with authorized global top-brand sourcing ensures uninterrupted procurement.
⚙️Product Application:
- Chemical and Plating Line Equipment: Acid wash tanks, PCB wet processing lines, electroplating barrel drives, and chemical agitators.
- Laboratory and Medical Automation: Centrifuges, liquid handling automation systems, and medical wash modules.
- Food and Beverage Processing: Bottling line conveyor guide wheels, food washing equipment, and cleanroom packaging units.
- Aquarium and Water Treatment Systems: Submersible liquid pumps, ozone generators, and water filtration equipment.
⚙️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. | 608 PP |
| Size Detail | 8x22x7mm (Inner d x Outer D x Total Width/Height H) |
| Plastic Deep Groove Ball Bearing | |
| Number of Ball Rows | Single Row |
| Ring Material | Polypropylene PP |
| Ball Material | Soda-Lime Glass or 316 Stainless Steel |
| Cage Material Options | Polypropylene PP Cage |
| Lubrication | Self-Lubricating Dry Operation |
| Precision | P0 / P6 (ABEC-1 / ABEC-3) Optional |
| 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 |
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