Description
Overview:
These Big End Shells (liners) are undersize 0.010 in (0.254 mm) bearings for the connecting rod big ends on the JAP Model 55 Twin Industrial Engine. They support the crankpin journal and provide the low‐friction surface needed to maintain oil film and correct running clearance. Manufactured as steel‐backed shells with a precision bearing layer, they are built for the demands of continuous industrial duty. This set is a Genuine JAP part, OEM No. 18492/010, for reliable fit and correct geometry on the Model 55 Twin. As unused vintage old stock, the shells may show cosmetic tarnishing or storage marks, but they remain service components intended to restore smooth operation when used with a crankshaft ground to the specified undersize.
Key Features:
- Genuine JAP part for assured compatibility with the Model 55 Twin
- OEM No. 18492/010 for precise identification and fitment
- U/S 0.010 in (0.254 mm) for use with reground crankpins to restore correct clearance
- Steel‐backed construction with bearing overlay for strength and wear resistance
- Precision machined surfaces to help maintain stable oil pressure and quiet running
- Suited to heavy‐duty industrial service and sustained operating temperatures
- Aids in reducing friction and protecting the crankshaft journal from scoring
- Straightforward replacement during engine overhaul or con‐rod rebuild
- Compatible with standard connecting rod and cap on JAP Model 55 Twin
- Unused old stock; may show surface tarnish from storage that does not indicate use
Typical Applications:
Used during overhaul or repair of JAP Model 55 Twin Industrial Engines found on stationary plant, workshop equipment, and light construction or agricultural machinery. Ideal when a crankshaft has been reground by 0.010 in (0.254 mm) and fresh bearing shells are required to restore correct oil clearance, protect the crankpin, and maintain reliable engine performance.
Also known as:
Big‐end bearings, con‐rod bearings, connecting rod big‐end shells, crankpin shells, rod bearing inserts, big‐end liners, bearing shells for con‐rods.
Fits Models:
JAP Model 55 Twin Industrial Engine
Product Specifications
| L&S Part No. | 18492/010 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | JAP |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Key Features | - Genuine JAP part for Model 55 Twin compatibility - OEM No. 18492/010 ensures precise fitment - Undersize 0.010 in for reground crankpins - Steel-backed with bearing overlay for durability - Precision machined for stable oil pressure |
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