Description
Overview:
This genuine Husqvarna main bearing is a precision engine component for small petrol chainsaws, supporting the crankshaft for smooth, reliable running. Manufactured from high‐grade bearing steel with accurately ground races and matched rolling elements, it is built to handle the high RPM and loads typical of two‐stroke engines. It replaces worn or noisy bearings to restore performance and reduce wear on associated parts. Designed for a precise OEM fit in popular models such as the Husqvarna 135 and 435, it helps maintain correct crank alignment, reduces vibration, and supports consistent power delivery. Supplied to OEM specification under Husqvarna number 529 57 40‐01, it is suitable for professional users and DIY maintenance where a dependable, exact‐fit replacement is required.
Key Features:
- Genuine Husqvarna part for correct fit and compatibility with listed models
- Made from durable bearing steel for long service life under high RPM
- Maintains crankshaft alignment to reduce vibration and wear
- Precision tolerances for smooth rotation and stable engine performance
- Suitable for routine rebuilds or repairs after bearing or crank damage
- Helps protect seals and crankcase by controlling radial loads
- Consistent quality control to OEM standards for reliability
- Exact-fit design for straightforward assembly when using proper tools
Typical Applications:
Used as the crankshaft main bearing in Husqvarna chainsaws, typically during engine overhauls, replacements after seizure or contamination, or preventive maintenance. Ideal for restoring smooth running, reducing noise, and extending the service life of the bottom end in domestic and professional cutting tasks.
Also known as:
Crankshaft bearing, crank bearing, bottom‐end bearing, main crank bearing, engine main bearing, crankcase bearing, Husqvarna OEM bearing.
Fits Models:
135, 135E, 140, 140E, 435, 435E, 435EEII, 435EII, 435II, 440E, 440EII, 440II
Alternate Part Numbers:
544 24 88 02, 544248802, 529574001
Product Specifications
| L&S Part No. | 529 57 40 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 529574001 |
| Unit of Sale | 1 |
| Applications | 135, 135E, 140, 140E, 435, 435E, 435EEII, 435EII, 435II, 440E, 440EII, 440II |
| Machine Type | Chainsaws |
| Fits Brands | Husqvarna |
| Fits Models | 135 | 135E | 140E | 435 | 435E | 435EII | 435II | 440E | 440EII | 440II |
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