Product Overview: The KM 28 Lock Nut
The KM 28 is a precision-engineered lock nut, an essential component in our range of Bearing Accessories. Designed with a metric thread of M140x3, an outer diameter of 180mm, and a thickness of 22mm, this lock nut is specifically used to securely locate bearings and other components onto a shaft or adapter sleeve. It effectively prevents the loosening of parts caused by vibration or rotational forces, ensuring the stability and reliability of the entire assembly.
Functioning as a key part of a locking system, the KM 28 is designed to be used with a corresponding Lock Washer, typically an MB 28. The washer's inner tab fits into a keyway on the shaft, while one of its outer tabs is bent into one of the slots on the circumference of the lock nut, creating a secure and dependable fastening. This simple yet highly effective mechanism is a standard in countless industrial applications for mounting bearings with a tapered bore. Explore our full line of Lock Nuts to find the right fastening solution for your machinery.
Key Features of the KM 28 Lock Nut
- Precision Metric Thread: Features a standard M140x3 thread for compatibility with corresponding shafts and sleeves.
- Multiple Locking Slots: The outer circumference has several slots, allowing for precise and secure positioning of the lock washer tab.
- Durable Construction: Manufactured from high-quality steel to withstand significant tightening torque and operational stress.
- Simple and Effective Design: Provides a reliable and straightforward method for securing bearings axially.
- Reusable: Can be dismounted and reused multiple times without significant loss of locking performance, provided it is not damaged.
- Industry Standard: Conforms to international standards, ensuring interchangeability and proper fitment.
Common Applications
- Mounting Bearings on Adapter Sleeves: Used with sleeves like the H 2328 to secure spherical or self-aligning bearings onto cylindrical shafts.
- Industrial Gearboxes: Secures gears and bearings on shafts, preventing axial play and maintaining alignment.
- Conveyor Belt Pulleys: Locks pulley bearings in place, ensuring smooth and reliable conveyor operation.
- Large Fans and Blowers: Fastens bearings on fan shafts, critical for maintaining balance and reducing vibration.
- Pumps and Compressors: Secures rotating components, ensuring operational integrity under high pressure.
- Agricultural Machinery: Used in equipment like combines and balers to hold bearings on shafts exposed to harsh conditions.
- Mining and Construction Equipment: Provides robust fastening for bearings in heavy-duty machinery.
Benefits of Using the KM 28 Lock Nut
- Enhanced Assembly Reliability: Creates a secure fastening that prevents axial movement of bearings, reducing the risk of machinery failure.
- Prevents Loosening: Effectively counteracts the effects of vibration and dynamic loads, maintaining the integrity of the bearing position.
- Extended Bearing Service Life: By ensuring proper mounting and preventing axial float, it helps bearings operate under optimal conditions, prolonging their lifespan.
- Simplified Installation: The nut and washer system is easy to install and adjust with standard tools like a hook or impact spanner.
- Cost-Effective Solution: Offers a highly reliable and economical method for axial location compared to more complex alternatives.
- Improved Machinery Performance: A securely mounted bearing leads to smoother operation, reduced noise, and greater overall efficiency.
