The KM 21 Lock Nut 105X140X18 by SKF is a precision-engineered bearing accessory designed to secure bearings onto shafts, ensuring optimal alignment and stability in various mechanical assemblies. This lock nut features main dimensions of 105 mm bore diameter, 140 mm outer diameter, and 18 mm thickness, making it suitable for use in heavy-duty industrial machinery. As part of SKF’s extensive range of bearing accessories, the KM 21 lock nut is essential for maintaining the integrity and performance of your mechanical systems.
Technical specifications
| Specification | Value |
|---|---|
| Bore diameter (d) | 105 mm |
| Outer diameter (D) | 140 mm |
| Width (B) | 18 mm |
| Weight | 1.35 kg |
| Basic dynamic load rating (C) | Not applicable |
| Basic static load rating (C0) | Not applicable |
| Limiting speed | Not applicable |
| Ring material | Steel |
| ISO / cross-reference equivalent code | KM21-SKF |
Technical advantages
The KM 21 Lock Nut offers several technical benefits that make it an ideal choice for securing bearings in demanding industrial environments:
- Precisely machined threads ensure a tight fit on shafts, preventing loosening under vibration.
- Durable steel construction provides excellent resistance to wear and deformation.
- Compatible with a wide range of SKF bearings, ensuring versatile application across different machinery types.
- Simple design facilitates quick installation and removal, reducing maintenance downtime.
- Standardized dimensions allow for easy replacement and interoperability with other components.
Typical applications
The KM 21 Lock Nut is widely used in several industrial sectors, particularly where precise bearing mounting is crucial:
- Heavy machinery and equipment (crushers, conveyor systems, industrial fans)
- Automotive manufacturing (engine mounts, transmission assemblies)
- Agricultural machinery (tractors, harvesters, plows)
- Railway and transport systems (axle boxes, suspension systems)
- Wind turbines (rotor shafts, gearbox assemblies)
Availability and ordering
Eurobearing.eu is your go-to specialized B2B supplier for the KM21-SKF lock nut, offering fast availability and competitive pricing. For bulk quantities or to request a quotation, please contact us directly or add the product to your cart for immediate purchase.
