Description
Overview:
This Small End Bearing is a genuine replacement part for Husqvarna K750 and K760 disc cutters. It is a needle roller bearing made from hardened steel, designed to support the piston (gudgeon) pin at the small end of the connecting rod in a high‐revving two‐stroke engine. By reducing friction and wear, it helps the engine run smoothly and reliably under heavy cutting loads. Suitable for site use, workshops, and hire fleets, it offers dependable performance for concrete and asphalt cutting. This Genuine Part is a direct replacement for OEM numbers 503 25 56-01 and 577 57 24-01, ensuring correct fit and compatibility without modification. Durable, heat‐resistant, and simple to install during routine top‐end maintenance, it helps minimise downtime and extend engine life.
Key Features:
- Genuine Part for assured compatibility with Husqvarna K750/K760
- Direct replacement for OEM 503 25 56-01 and 577 57 24-01
- Precision needle rollers for smooth rotation and reduced friction
- Hardened steel construction for durability under high RPM and heat
- Supports the gudgeon (piston) pin to protect the conrod small end
- Helps restore smooth running and reduce vibration and wear
- Fits without modification; straightforward to install during top‐end service
- Reliable in dusty, demanding cutting environments
- Suitable for professional use, hire fleets, and DIY maintenance
- Cost‐effective preventative replacement to avoid bigger engine damage
Typical Applications:
Used during piston and ring changes, top‐end rebuilds, or when play is detected at the small end. Ideal for maintaining Husqvarna K750/K760 power cutters used for cutting concrete, masonry, bricks, paving, and metal on construction sites, utilities work, landscaping, and hire operations.
Also known as:
Small‐end needle bearing, wrist pin bearing, gudgeon pin bearing, little‐end bearing, piston pin roller bearing, conrod small‐end bearing, piston pin cage.
Fits Models:
K750, K760
Alternate Part Numbers:
577 57 24-01, 503 25 56-01, 503255601, 577572401
Product Specifications
| L&S Part No. | 355 705 |
|---|---|
| Part Type | Genuine Part |
| Unit of Sale | 1 |
| Machine Type | Disc Cutters, Chainsaws |
| Key Features | - Genuine replacement for Husqvarna K750/K760 disc cutters - Direct replacement for OEM 503 25 56-01, 577 57 24-01 - Hardened steel needle rollers reduce friction and wear - Supports piston pin, protecting conrod small end - Simple installation during top-end maintenance without modification |
| Fits Models | K750 | K760 |

