3450183 is a precision shim washer designed for heavy-duty construction machinery transmission and undercarriage systems. Manufactured from high-carbon steel or stainless steel via precision stamping, heat treatment, and fine grinding, it features high thickness accuracy, excellent flatness, extrusion resistance, and stability. It is mainly used for axial clearance and assembly tolerance compensation of bearings, gears, shafts, and other components, ensuring precise fit and smooth operation of transmission parts under high-load conditions.
Technical Parameters
- Model: 3450183
- Type: Precision flat washer (DIN 988 standard)
- Material: High-carbon steel / 304 stainless steel (quenched and tempered)
- Thickness: 0.5mm (Tolerance ±0.01mm)
- Inner Diameter: 45mm
- Outer Diameter: 70mm
- Surface Treatment: Blackening / phosphating / anti-rust coating
- Hardness: HRC 45–50
- Flatness: ≤0.02mm
- Parallelism: ≤0.01mm
- Features: High precision, extrusion resistant, anti-deformation, rustproof, easy installation
Application Scenarios
Fits 16–32 ton bulldozers, loaders, excavators (Shantui, Komatsu, Caterpillar, Sany):
- Transmission: Bearing clearance adjustment in gearboxes, transfer cases, final drives, and differentials
- Undercarriage: Clearance compensation for travel motors, sprocket shafts, and track tensioners
- Swing System: Assembly tolerance adjustment for swing bearings and reduction gears
- Suitable Conditions: Precision clearance control in mining, construction, muddy, and heavy-duty continuous operation
Common Faults & Troubleshooting
- Wear, Crushing, Deformation: Long-term axial load, material fatigue, excessive clearance → bearing noise, shaft movement, transmission shock. Replace with genuine 3450183 shims and adjust axial clearance to standard.
- Incorrect Thickness, Clearance Out of Tolerance: Non-standard shims, assembly errors → bearing overheating, poor gear meshing, oil leakage. Use correct thickness 3450183 shims, measure and adjust clearance precisely.
- Rust, Seizure: Poor lubrication, moisture and dust ingress → difficult disassembly, rusted mating surfaces. Clean regularly, apply grease, replace with rust-resistant shims.
- Misalignment, Warping: Improper assembly, poor flatness → localized stress concentration, shim breakage. Ensure flat mounting surface, tighten evenly, avoid uneven loading.