Description
Overview:
The Crankshaft Bearing 6306 is a Genuine Jap part (OEM No. 19612) designed to support the crankshaft on both the drive side and flywheel side of JAP industrial engines. Made from hardened bearing steel, it is built to handle continuous rotation and mixed loads while maintaining accurate shaft alignment. As a deep groove ball bearing, it offers low friction and dependable running, helping to protect journals and extend service life. Typical 6306 dimensions are 30 mm internal diameter (approx. 1.181 in), 72 mm outside diameter (approx. 2.835 in), and 19 mm width (approx. 0.748 in). Suitable for JAP 4 and JAP4 engines used across construction and plant equipment. Supplied as unused old stock, so light tarnishing or storage marks may be present, without affecting performance.
Key Features:
- Genuine Jap Part for assured fit and function in JAP 4-series engines (OEM No. 19612)
- Suits both drive side and flywheel side crankshaft locations for balanced support
- Deep groove ball bearing (6306) for reliable radial and moderate axial load capacity
- Low-friction running helps reduce heat, wear, and oil contamination
- Robust bearing steel construction for durability in industrial operating conditions
- Standard 6306 size: 30 mm ID (1.181 in), 72 mm OD (2.835 in), 19 mm width (0.748 in)
- Unused old stock vintage part; cosmetic ageing only, functionally sound
- Straightforward replacement during engine rebuilds or scheduled maintenance
Typical Applications:
Used as a main bearing in JAP industrial engines powering site mixers, pumps, generators, compactors, saw benches, and other plant. Ideal for engine overhauls, crankshaft refurbishments, and preventative maintenance where smooth rotation and correct crank alignment are essential for reliability and service life.
Also known as:
Main bearing, crank main bearing, engine main bearing, crankshaft support bearing, 6306 deep groove ball bearing, drive-end bearing, flywheel-end bearing, crankshaft journal bearing.
Fits Models:
JAP 4, JAP4
Product Specifications
| L&S Part No. | 19612 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Jap |
| OEM No. | 19612 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Key Features | - Genuine Jap part for JAP 4-series engines (OEM No. 19612) - Deep groove ball bearing for radial and moderate axial loads - Standard 6306 size: 30 mm ID, 72 mm OD, 19 mm width - Hardened bearing steel for industrial durability - Suitable for drive and flywheel side crankshaft locations |
| Fits Models | JAP 4, 3 |
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