Description
Overview:
The Ball Bearing (Reduction Box 18643) for the JAP Model 4/3 industrial engine is a genuine JAP component designed to support smooth, low-friction rotation inside the reduction box. Built to OEM standards using high-quality materials, it helps maintain alignment, reduces wear on mating parts, and keeps the gearbox running efficiently under load. This bearing is used in the reduction box assemblies found on JAP 4 and JAP4 engines commonly fitted to industrial and agricultural equipment. Reliable and consistent in service, it is a straightforward replacement for worn or noisy bearings and helps restore performance, reduce vibration, and prolong the life of surrounding gears and shafts. Ideal for routine maintenance or overhaul where dependable factory-spec parts are required.
Key Features:
- Genuine JAP part for assured fit and compatibility
- Manufactured to OEM specification for consistent performance
- Supports smooth, efficient operation of the reduction box under load
- Durable construction for long service life in industrial environments
- Helps reduce vibration, heat build-up, and premature gear wear
- Accurate fitment to minimise downtime during maintenance
- Suitable for routine servicing and full gearbox overhauls
- Compatible with JAP 4 and JAP4 reduction box assemblies
- Reliable choice for trades, workshops, and plant maintenance teams
Typical Applications:
Used in the reduction gearbox of JAP industrial engines driving equipment such as pumps, generators, mixers, rollers, compactors, conveyors, and light plant. Ideal when addressing noise, rough rotation, or endplay in the reduction box, or as a preventative replacement during scheduled engine rebuilds to maintain output shaft stability and gearbox efficiency.
Also known as:
Reduction box bearing, reduction gearbox bearing, JAP engine gearbox bearing, JAP 4 reduction bearing, JAP4 reduction bearing, gearbox output bearing, primary reduction bearing, engine reduction unit bearing.
Fits Models:
JAP 4, JAP4
Alternate Part Numbers:
RMS10
Product Specifications
| L&S Part No. | RMS10 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | JAP |
| OEM No. | RMS10 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Key Features | - Genuine JAP part ensures correct fit and compatibility - OEM specification for consistent gearbox performance - Compatible with JAP 4 and JAP4 reduction boxes - Reduces vibration and premature gear wear - Suitable for routine servicing and gearbox overhauls |
| Fits Models | JAP 4, 3 |
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