Description
Overview:
The Main Bearing 020 Pair for Lister ST engines is a genuine Lister Petter component designed to support the crankshaft and maintain the correct oil film for smooth, reliable running. Supplied as a matched pair of bearing shells, it replaces one main bearing position in the engine, restoring correct clearances and reducing friction and wear. Manufactured to OEM standards, this set delivers a precise fit and dependable performance in Lister ST power units used across industrial and agricultural machinery. Made from high-quality bearing materials for durability under continuous load, it is suitable for routine overhaul or corrective repairs. This item is unused old stock, so some tarnishing or storage marks may be present, but it remains serviceable. OEM part number: 572 50650/040. Brand: Lister Petter.
Key Features:
- Genuine Lister Petter OEM part for assured compatibility and quality
- Supplied as a pair of shells for one main bearing location on the crankshaft
- Built to original tolerances for correct oil clearances and stable running
- Durable bearing materials for long service life under heavy-duty use
- Direct replacement for Lister ST series engines; no modifications required
- Helps reduce noise, vibration, and wear on crankshaft journals
- Suitable for engine rebuilds, preventive maintenance, and repairs
- Marked "020" to match the corresponding crankshaft size code
- Unused vintage stock; may show cosmetic tarnish or dust from storage
- OEM reference: 572 50650/040 for accurate identification
Typical Applications:
Used during overhaul or repair of Lister ST engines powering generators, water pumps, compressors, concrete mixers, agricultural equipment, and site machinery. Ideal when restoring oil pressure and bearing clearances after journal regrinding or to address bearing wear, rumbling, or low oil pressure. Suitable for workshops, maintenance teams, and DIY rebuilds needing reliable OEM-fit main bearings.
Also known as:
Main bearing shells for Lister ST, crankshaft main bearings, main journal bearing pair, Lister Petter main bearing set, ST series main bearings, OEM 572-50650/040 main bearing, Lister ST crank bearings, engine main shell pair.
Fits Models:
ST
Product Specifications
| L&S Part No. | 572 50650/040 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Lister Petter |
| OEM No. | 572 50650/040 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Lister Petter |
| Key Features | - Genuine Lister Petter OEM part ensures compatibility - Supplied as a matched pair for one main bearing location - Built to original tolerances for correct oil clearances - Durable materials for long service life under heavy use - Direct replacement for Lister ST engines; no modifications needed |
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