The NK 12/12 by SKF is a needle roller bearing without an inner ring, designed for applications where the shaft is hardened and ground to serve as the raceway. This bearing provides a high radial load capacity with a compact design, making it ideal for installations with limited space.
Equipped with high-precision cylindrical rollers and an optimized cage, the NK 12/12 ensures low friction, smooth operation, and long service life, even under demanding conditions.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | NK 12/12 |
| Brand | SKF |
| Type | Needle roller bearing without inner ring |
| Inner Diameter (d) | 12 mm |
| Outer Diameter (D) | 19 mm |
| Width (B) | 12 mm |
| Material | Hardened steel |
| Rolling Element Type | Cylindrical needle rollers |
| Lubrication | Grease or oil |
| Speed Limit | Medium (depending on load and lubricant) |
| Radial Load Capacity | High |
Key Features
✔ Compact, space-saving design
✔ High radial load capacity
✔ No inner ring → The shaft acts as the inner raceway
✔ Durable cage for precise roller guidance
✔ Ideal for high-speed rotation in industrial environments
Typical Applications
🔹 Transmissions and gear reducers
🔹 Electric motors and rotating shafts
🔹 Compact pumps and compressors
🔹 Machine tools and industrial equipment
🔹 Automotive and motorcycle components
📦 Choose the SKF NK 12/12 needle bearing for high performance, reliability, and long-lasting operation in space-constrained mechanical applications! ⚙️
