
S6309ZZ Shielded Stainless Steel Bearing Dimensions 45x100x25mm
| Item No : | S6309ZZ |
| Size (d*D*B) : | 45x100x25mm |
| Material : | Stainless Steel 420 (AISI 420) |
| Lead Time : | 3-5 workdays |
| Weight : | 0.83KG |
| MOQ : | 50 pcs |
⚙️Product Description:
S6309ZZ Stainless Steel Deep Groove Ball Bearing
As an experienced industrial transmission trader, we proudly supply our highly cost-effective proprietary RMO brand stainless steel bearings, while also offering efficient sourcing services for other premium global brands. The S6309ZZ bearing is manufactured from high-quality AISI 420 stainless steel with standard dimensions of 45x100x25mm. Equipped with double metal shields (ZZ), it seamlessly combines the excellent moisture and mild corrosion resistance of stainless steel with the high-speed, low-friction advantages of deep groove ball bearings, making it the ideal choice for high-humidity, dusty, and mildly corrosive industrial environments.

⚙️Product features:
- Premium AISI 420 Stainless Steel: Features high hardness of 50-54 HRC after heat treatment, providing excellent wear resistance, high load capacity, and reliable moisture/rust resistance.
- Double Metal Shields – ZZ: Physically blocks external dust and solid contaminants while maintaining ultra-low friction, effectively preventing internal grease leakage during high-speed operations.
- High Precision & Quiet Performance: Precision ground for high-speed capabilities, smooth rotation, and minimal vibration, significantly extending the overall lifespan of your machinery.
- Flexible Multi-Brand Sourcing: Whether you prefer our featured RMO brand or specify top international brands, we provide one-stop wholesale and flexible sourcing solutions.
⚙️application scenarios:
S6309ZZ With its high hardness, excellent load capacity, and reliable moisture resistance, the S6309ZZ is widely used in:
- Food Packaging & Auxiliary Processing Equipment: Ideal for peripheral packaging lines and conveyors in dry or high-humidity zones. It provides essential rust protection while the metal shields effectively block external dust.
- Medical, Pharmaceutical & Lab Equipment: Used in automated testing equipment and centrifuges that require high cleanliness and withstand routine wiping/sanitization without direct liquid spraying.
- Textile & Printing Machinery: Handles high-humidity working conditions to prevent rust caused by atmospheric moisture. The low-friction metal shields ensure long-term, high-speed, and smooth operation.
- High-end Smart Appliances & Commercial Equipment: Such as auxiliary drive structures in commercial washing machines and high-end fitness equipment, effectively resisting sweat or trace moisture while maintaining low-noise operation.
⚙️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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⚙️Technical Parameters:
| Item No. | S6309ZZ |
| Branding | RMO/Neutral/OEM/Other Brands |
| Sealing | ZZ (Metal Shields) |
| Material | Stainless Steel 420 (AISI 420) |
| Lead Time | 3-5 days |
| Precision | p0 p6 p5 |
| Clearance | C0 C3 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Load rating | Dynamic (Cr): ≈ 43.1 KN, Static (Cor): ≈ 29.4 KN |
| Max Speed – Grease | 7,500 RPM |
| Shipping Port | Guangzhou, Ningbo, Shanghai |
| Payment | 100% T/T, or 30% T/T In Advance ,70% T/T After Finished Production |
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