Description
Overview:
This ball bearing is a genuine Husqvarna spare for selected professional chainsaws, engineered to support smooth, low‐friction rotation of critical moving parts. Manufactured from hardened bearing steel with precision-ground races and balls, it resists wear under high speed and load. It helps maintain alignment, reduce heat build-up, and keep vibration under control, which supports consistent cutting performance and longer service intervals. Designed for Husqvarna 570 and 576XP models, it matches the original dimensions and tolerances for a straightforward replacement. Genuine Husqvarna part: 525 43 43-01 (also known as 525434301). Suitable for users who need reliable, OEM-quality components to keep their saw running efficiently in demanding forestry, landscaping, and site maintenance work.
Key Features:
- Genuine Husqvarna part for assured fit, function, and quality
- OEM references: 525 43 43-01 / 525434301
- Precision steel construction for durability and consistent performance
- Helps minimise friction, heat, and wear in rotating assemblies
- Supports high RPM operation typical of professional chainsaws
- Accurate sizing to factory specifications for correct seating and alignment
- Smooth running helps reduce vibration and noise
- Suitable for routine maintenance or full rebuilds
- Straightforward fitting when following the workshop manual and using proper tools
- Part of a preventative maintenance approach to extend machine life
Typical Applications:
Used within the rotating assemblies of Husqvarna chainsaws to support smooth, accurate rotation. Ideal when refurbishing engines or drive components, addressing noise or play, or after high-hours service. Common in tasks such as cutting firewood, felling, snedding, pruning, and general forestry, arborist, and grounds maintenance work where dependable operation is required.
Also known as:
Chainsaw bearing, roller bearing, crankshaft bearing, main bearing, engine bearing, deep-groove ball bearing, rotation bearing, precision bearing, OEM bearing, replacement bearing.
Fits Models:
570, 570II, 576XP, 576XP AutoTune, 576XPAutoTune
Alternate Part Numbers:
525 43 43-01, 525434301
Product Specifications
| L&S Part No. | 525 43 43 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 525434301 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Key Features | - Genuine Husqvarna part for 570 and 576XP chainsaws - Hardened bearing steel resists wear under high speed - Precision-ground races ensure smooth, low-friction rotation - Matches original dimensions for straightforward replacement - Supports high RPM operation in professional chainsaws |
| Fits Models | 570 | 570II | 576XP | 576XP AutoTune |

