Product Overview — Part 450122
The 450122 is a precision-manufactured BOMAG Scraper Parts component. The 450122 suspension rubber buffer is an OEM-specification component for heavy construction equipment suspension systems and travel limit applications. Used as a bump stop on suspension systems or an end-of-travel buffer on compactor and scraper sliding components, this buffer provides gradual deceleration of moving masses. The buffer geometry is engineered to provide progressive rate characteristics — minimal resistance at initial contact with rapidly increasing force as deflection approaches maximum. This progressive behavior maximizes energy absorption per unit volume while controlling peak reaction force on the mating structure. Part 450122 is supplied in our BOMAG scraper parts range. For specific BOMAG compactor buffer applications, see 3115 9150 99 and 3128303930. For impact buffers requiring higher energy capacity, see 26337508.
Technical Specifications
| Property | Value | Standard |
|---|---|---|
| Part Number | 450122 | OEM Specification |
| Hardness | 45–70 Shore A (application specific) | ISO 48-4 / ASTM D2240 |
| Tensile Strength | ≥ 16 MPa | ISO 37 / ASTM D412 |
| Elongation at Break | ≥ 300% | ISO 37 / ASTM D412 |
| Compression Set | ≤ 25% (22h/70°C) | ISO 815-1 / ASTM D395 |
| Temperature Range | −40°C to +90°C | Operational limits |
| Ozone Resistance | No cracking 168h | ISO 1431-1 |
| Fire Safety | EN 45545-2 HL2/HL3 available | EN 45545-2:2013 |
| Fatigue Life | > 1,000,000 cycles | Dynamic fatigue protocol |
Applications
Heavy equipment suspension bump stops; compactor and scraper travel limit buffers; construction machinery end-of-travel protection.
Our technical team can assess suitability for other equipment types. Contact us with the make, model, and serial number for a precise cross-reference confirmation.
Material & Quality Standards
- Base Polymer: Natural Rubber (NR) or NR/SBR blend — excellent resilience and fatigue resistance
- Reinforcing Fillers: High-structure carbon black for controlled stiffness and wear resistance
- Protection Additives: Anti-ozonant wax and chemical antioxidant for extended outdoor service life
- Bonding System: Chemically bonded rubber-to-metal interface exceeding bulk rubber strength
- EN 45545-2 Option: Halogen-free flame retardant meeting smoke toxicity requirements (on request)
Every batch produced under ISO 9001:2015 QMS with full material traceability. Certificate of Conformance and material test reports available upon request.
Installation Guidelines
- Inspect on arrival: Verify part number 450122. Check for transit damage — reject any non-conforming component.
- Clean mating surfaces: Remove all rust, old rubber fragments, grease, and paint before installation.
- Align correctly: Follow assembly drawing orientation. Incorrect orientation may cause premature failure.
- Torque fasteners: Use calibrated torque wrench and cross-pattern tightening sequence per OEM specification.
- Post-install check: Inspect for correct seating. Run equipment at low speed to verify no abnormal noise or vibration.