The Caterpillar Main Bearing 1N4319 is a precision-engineered component designed for heavy-duty Caterpillar D353 and G353D engines. Featuring a .025 undersize specification, this bearing provides accurate crankshaft support and optimal friction reduction, ensuring smooth engine operation. Manufactured from high-strength, heat-resistant alloy, it is built to endure demanding industrial conditions while meeting stringent Caterpillar OEM standards for reliability and performance.
| Attribute | Details |
|---|---|
| Part Name | Main Bearing |
| Part Number | 1N4319 |
| Undersize | .025 |
| Engine Compatibility | Caterpillar D353, G353D |
| Material | High-strength, heat-resistant alloy |
| Application | Crankshaft support, friction reduction |
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