Description
Overview:
This genuine Husqvarna needle bearing (MPN 501 45 16-01 / 501451601) is a compact, caged needle-roller assembly manufactured from hardened steel to withstand high rotational speeds and loads. It supports rotating components, minimises friction, and keeps shafts running accurately, helping your equipment operate smoothly and reliably. Designed for Husqvarna chainsaws and brushcutters, it is a direct fit for popular machines such as the 550 XP chainsaw and the 345R brushcutter. Typically located in driveline areas such as the clutch drum/sprocket carrier or brushcutter gearhead, this OEM bearing helps reduce heat build-up and wear, extending the life of surrounding parts like drums, sprockets, and shafts. Using a genuine part ensures correct tolerances, dependable service life, and compatibility across a wide range of Husqvarna tools.
Key Features:
- Genuine Husqvarna OEM part for assured fit and compatibility
- Hardened steel needle rollers and cage for durability under high load
- Low-friction support for high-speed rotating components
- Helps restore smooth running and reduce vibration and heat
- Precision tolerance to maintain shaft alignment and minimise wear
- Robust construction suited to demanding forestry and landscaping use
- Straightforward like-for-like replacement during routine servicing
- Protects adjacent parts such as clutch drums, sprockets, and gearheads
- Wide model coverage across Husqvarna chainsaws and brushcutters
- Reliable performance for professional, trade, and DIY users
Typical Applications:
Used in chainsaw clutch drum/sprocket assemblies and brushcutter gearheads to support rotating shafts, reduce friction, and improve service life. Ideal when replacing a worn drum or sprocket, during a scheduled service, or if symptoms such as rough running, squeal, or excessive heat are present.
Also known as:
Needle roller bearing, needle cage, roller bearing, clutch drum bearing, sprocket needle bearing, gearhead needle bearing, caged needle roller, roller cage.
Fits Models:
240, 240F, 240R, 241R, 241RJ, 245, 245R, 245RX, 250PS, 250R, 250RX, 252RX, 340, 340E, 343F, 343FR, 343FRM, 343R, 345, 345E, 345FR, 345FX, 345FXT, 345R, 345RX, 346XP, 35, 350, 351, 352, 353, 355FRM, 355FRMm, 355FX, 355FXT, 355RX, 40, 445, 445E, 445EII, 445II, 45, 450, 450E, 455EII, 455II, 49, 51, 545FR, 545FRm, 545FX, 545FXAT, 545FXT, 545FXTAT, 545RX, 545RXT, 545RXTAT, 55, 55 Rancher, 550 XP, 550XP, 555FRM, 555FX, 555FXT, 555RXT, PS50
Alternate Part Numbers:
501 45 16-01, 503256301, 501451601
Product Specifications
| L&S Part No. | 501 45 16 01 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 501451601 |
| Unit of Sale | 1 |
| Applications | 240, 240F, 240R, 241R, 241RJ, 245, 245R, 245RX, 250PS, 250R, 250RX, 252RX, 340, 340E, 343F, 343FR, 343FRM, 343R, 345, 345E, 345FR, 345FX, 345FXT, 345R, 345RX, 346XP, 35, 350, 351, 352, 353, 355FRM, 355FRMm, 355FX, 355FXT, 355RX, 40, 445, 445E, 445EII, 445II, 45, 450, 450E, 455EII, 455II, 49, 51, 545FR, 545FRm, 545FX, 545FXAT, 545FXT, 545FXTAT, 545RX, 545RXT, 545RXTAT, 55, 55 Rancher, 550 XP, 550XP, 555FRM, 555FX, 555FXT, 555RXT, PS50 |
| Machine Type | Chainsaws, Brushcutters |
| Fits Brands | Husqvarna |
| Fits Models | 340 | 250PS | PS50 | 250PS | 340E | 345 | 345E | 346XP | 350 | 351 | 353 | 40 | 445 | 445E | 445EII | 445II | 45 | 450 | 49 | 51 | 55 | 55 RANCHER | 240 | 240F | 240R | 241R | 241RJ | 245 | 245R | 245RX | 250R | 250RX | 252RX | 343F | 343FR | 343R | 345FR | 345FX | 345FXT | 345R | 345RX | 355FRM | 355FX | 355FXT | 355RX | 545FR | 545FX | 545FXAT | 545RX | 545RXT | 545RXTAT | 555FRM | 555FX | 555FXT | 555RXT | 545FXT | 545FXTAT | 343FRM |
