1. General Description
- Product Name: Main and Thrust Bearing Kit
- Part Number: 196-9531 (1969531)
- Manufacturer: Caterpillar Inc. (Cat)
- Size Standard: Standard (STD)
- Component Function: Supports crankshaft rotation, reduces rotational friction, and controls crankshaft axial end-play within the engine block.
2. Physical Characteristics
- Gross Weight: 11.47 kg (25.28 lbs)
- Package Length: 363.2 mm (14.30 in)
- Package Width: 363.2 mm (14.30 in)
- Package Height: 241.3 mm (9.50 in)
3. Material & Manufacturing Standards
- Material Composition: Heavy-duty multi-layer copper-lead or aluminum alloy matrix with steel backing.
- Surface Coating: Electroplated precision overlay for enhanced wear resistance and anti-seizure properties.
- Compliance: Manufactured to OEM Caterpillar engineering specifications for heavy-duty industrial applications.
4. Engine & Equipment Compatibility
Optimized for Caterpillar 3500 Series high-displacement diesel and gas engines.
- Engine Models: 3516, 3516B, 3516C, 3516E
- Gas Engine Models: G3516, G3516B
- Generator Set Models: PP3516, PM3516
- Related Components: SR4 / SR5 Alternators and Cat Marine Propulsion Systems.
5. Installation & Maintenance Requirements
- Lubrication: Pre-lubricate with clean engine oil or assembly lube prior to installation.
- Torque Specs: Must follow specific Caterpillar service manual torque-turn sequences for main bearing caps.
- Inspection: Verify crankshaft journal diameters and housing bores meet OEM wear limits before fitting.
