The Lock Nut KM11 – 55 by CRF is a precision bearing accessory designed to secure bearings onto shafts with accuracy and stability. This lock nut, identified by SKU: KM11-ECO, is engineered for use in various industrial applications where exacting mechanical requirements are paramount. With a standard measurement, it is essential in applications demanding precision and reliable fastening of bearings, ensuring optimal performance in settings such as heavy machinery and industrial equipment.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 55 mm |
| Width (B) | 15 mm |
| Weight | 0.4 kg |
| Thread | Tr55x2 |
| Material | Carbon steel |
| Precision class | P0 / ABEC-1 |
| ISO equivalent code | KM11 |
Technical advantages
The Lock Nut KM11 – 55 offers several technical advantages for industrial applications:
- Compatible with standard ISO metric shafts, facilitating easy integration.
- Manufactured from durable carbon steel, providing robust performance under mechanical stress.
- Thread design ensures secure locking without additional fasteners, minimizing assembly time.
- Precision class P0 / ABEC-1 guarantees adequate accuracy for general industrial use.
- Lightweight design at 0.4 kg reduces the load on supporting structures.
Typical applications
The Lock Nut KM11 – 55 is suitable for a variety of industrial applications across different sectors:
- Heavy machinery (cranes, excavators, bulldozers)
- Industrial automation (conveyor systems, robotic arms)
- Manufacturing equipment (CNC machines, lathes, milling machines)
- Agricultural machinery (tractors, harvesters, plows)
- Railway engineering (locomotives, wagons, track maintenance machines)
Availability and ordering
Eurobearing.eu is your specialized B2B supplier for the Lock Nut KM11 – 55, SKU: KM11-ECO, ensuring fast availability. For bulk quantities, request a quote directly through our platform. Add to cart now or contact us for a personalized quotation.

