Wholesale 25x52x15mm CSK25PP High Torque Freewheel Clutch Bearings
| Item No : | CSK25PP / OW-CSK25PP (Dual Keyway) |
| Size (d*D*B) : | 25x52x15mm |
| Material : | Chrome Steel GCr15 |
| Lead Time : | 3-5 days |
| Weight : | 0.14KG |
| MOQ : | 10 pcs |
| Service : | Support Sample Testing |
⚙️Product Description:
Upgrading a 25mm shaft drivetrain that demands formidable torque lockup without slipping under heavy industrial shocks? The CSK25PP Heavy-Duty One-Way Clutch Bearing (25x52x15mm) is built for substantial load transmission. Sharing the exact outer dimension footprint of a standard 6205 bearing, the CSK25PP incorporates internal precision sprags and features dual DIN 6885.3 keyways on both the inner and outer rings. Delivering a robust rated torque of 68 Nm, this positive key-locked design eliminates press-fit dependency and thermal loosening risks under high-torque conditions. It is the core safety and control component for heavy incline conveyors, industrial winches, and large printing presses. As a premier B2B bearing trading power, we optimize your sourcing strategy: lock in unbeatable profit margins with our field-tested RMO brand, or task us to procure traceable European tier-1 freewheel clutches (Stieber, Ringspann equivalents) for your high-stakes OEM machinery.
⚙️Product Features:
- Formidable 68 Nm Torque Locking: Engineered with enlarged internal sprag elements to deliver nearly 4 times the torque rating of smaller series, ensuring zero-backlash engagement under severe mechanical stress.
- Dual Keyway Mechanical Security (PP Spec): Features precision-machined DIN 6885.3 keyways on both the 25mm bore and 52mm outer diameter, enabling direct keyway locking to key shafts and gear housings without radial slippage.
- Standard 6205 Envelope Dimension: Directly retrofits standard 25x52x15mm 6205 bearing locations, allowing engineers to quickly transform traditional rotating shafts into intelligent unidirectional drives or safety backstops.
- Heavy-Duty Heat Dissipation & Grease: Pre-packed with ultra-high-pressure grease designed to withstand the rapid friction and thermal cycles during prolonged overrunning phases.
- Flexible B2B Sourcing Network: We bridge your procurement gaps. Wholesale bulk pallets of cost-effective RMO inventory for aftermarket equipment rebuilders, or leverage our trade desk to source specialized international legacy brands for critical OEM builds.
⚙️Product Application:
Built for high-torque unidirectional control and heavy-duty safety protection, the CSK25PP series excels in:
- Heavy-duty incline belt conveyors, bucket elevators, and mining material backstop units (preventing catastrophic reverse runaway).
- Industrial winch drums, crane hoist drives, and cable-pulling tensioning systems.
- Large commercial printing presses, heavy textile carding machines, and paper converting rollers.
- Agricultural harvesting equipment drive shafts, seed drill feeds, and baler mechanisms.
- Global industrial gear reducer rebuilders, heavy machinery overhaul shops, and B2B drive component distributors.
⚙️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. | CSK25PP / OW-CSK25PP (Dual Keyway) |
| Clutch Type | Heavy-Duty One-Way Sprag Clutch Bearing |
| Size | 25x52x15mm |
| Keyway Features | Inner & Outer Keyways |
| Material | Chrome Steel Gcr15 |
| Nominal Torque | 68 Nm (High torque capacity) |
| Max Overrunning Speed | ~ 5,200 RPM (Inner ring) / ~ 3,000 RPM (Outer ring) |
| Lead Time | 3-5 days for stock; 7-15 days for bulk orders |
| Brand | RMO/Neutral/OEM/Other Brands |
| Shipping Port | Guangzhou, Ningbo, Shanghai |
| Shipping Method | Express (DHL/FedEx/UPS), Air Freight, Sea Freight |
| Payment | 100% T/T, or 30% T/T In Advance, 70% T/T After Finished Production |
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