Description
Overview:
The Big End Bearing R3 (26.25 mm) Under Size is a genuine M.A.G component for the M.A.G 1021 SRL engine. It supports the crankpin at the connecting rod's big end, helping to maintain correct oil clearance, reduce friction, and protect against wear. Manufactured from bearing-grade materials for consistent load handling, it is intended for engines that have had the crankshaft journal reground to the corresponding undersize. This part suits rebuilds and routine maintenance on M.A.G 1021 SRL engines used in light construction and garden machinery. Supplied as unused old stock, it may show minor tarnish or storage marks that do not affect function once installed and lubricated. Genuine specification ensures proper fit and dependable engine performance.
Key Features:
- Genuine M.A.G part for the 1021 SRL engine, ensuring correct fit and geometry
- R3 under size, 26.25 mm bore, for use with correctly reground crankpins
- Bearing-grade construction for reliable load support and stable oil film
- Helps restore correct clearance, reducing knock, friction, and heat
- Suitable for preventative maintenance and full engine rebuilds
- Precision-machined surfaces for consistent performance and longevity
- Unused vintage stock; cosmetic ageing possible but functionally sound
- Straightforward like-for-like replacement when installed by a competent technician
- Supports smooth running and helps extend crankshaft and con-rod service life
Typical Applications:
Used during engine overhauls or repairs on M.A.G 1021 SRL units powering compactors, pumps, generators, small mixers, and other light plant and garden equipment. Commonly fitted when restoring vintage machinery, addressing worn crankpin bearings, or after crankshaft regrinds to achieve the specified undersize and correct operating clearances.
Also known as:
Con-rod big-end shell, crankpin bearing, connecting rod bearing shells, big-end bush, big-end insert, crankshaft big-end bearing, con-rod bearing, crank journal bearing.
Fits Models:
M.A.G 1021 SRL
Product Specifications
| L&S Part No. | 0529 053 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | M.A.G |
| Unit of Sale | 1 |
| Applications | M.A.G 1021 SRL |
| Machine Type | Engines |
| Fits Models | M.A.G 1021 SRL |
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