Cone Crusher Eccentric Bushing

This image shows our warehouse inventory of finished, quality-inspected cone crusher eccentric bushings. These certified parts are now awaiting final packaging and shipment to our customers.

Precision Cone Crusher Eccentric Bushing​​

​​Cone Crusher Eccentric Bushings​​ enable smooth gyratory motion by reducing friction between the eccentric shaft and main frame. Engineered for ±0.05mm precision fit in ​​Metso HP/GP, Sandvik CH/CS​​, and ​​Terex TC​​ series, they extend gear life by 40% while absorbing 18,000kN crushing forces.

​This image offers a look inside our manufacturing workshop. As a specialist cone crusher eccentric bushing manufacturer, we operate advanced ultra-precision machine tools capable of maintaining a remarkable machining accuracy of 0.05 mm. With a maximum machining diameter of 5 meters, our facility is equipped to handle the production and refurbishment of eccentric bushings for virtually all cone crusher models on the market.

Performance Impact​​

• ​​55% Vibration Reduction​​ – Protects gears from shock loads during tramp metal events.
• ​​Zero Alignment Deviation​​ – Maintains ≤0.05mm eccentric runout for consistent CSS.
• ​​Interchangeable​​ with ​​FLSmidth, Nordberg, Telsmith​​ legacy crushers.

Why Industry-Leading?​​

• ​​60,000-Hour Service Life​​ – 2x OEM lifespan in granite/iron ore crushing.
• 72-Hour Global Shipping​​ – Emergency stock for 200+ models.
• ​​Custom Engineering​​ – Reverse-engineer bushing from crusher serial number.
• ​​ISO 4382 Certification​​ – Full traceability from casting to machining.

Frequently Asked Questions: Cone Crusher Eccentric Bushing

General Questions

What is a cone crusher eccentric bushing?

The eccentric bushing is a crucial component in a cone crusher’s transmission system. It’s a precision-machined bronze sleeve that fits between the main shaft and the eccentric assembly, enabling the gyratory motion necessary for crushing operations while providing critical support and reducing metal-to-metal wear.

What materials are used in eccentric bushings?

High-quality eccentric bushings are typically manufactured from premium-grade bronze alloys (such as SAE 67 or C93200) known for their excellent wear resistance, load-bearing capacity, and compatibility with steel components under high-pressure conditions.

Technical Specifications

What are the standard tolerance levels for eccentric bushings?

Precision eccentric bushings maintain tight tolerances, typically within 0.05 mm for critical dimensions. Our manufacturing process ensures consistent quality with advanced machining capabilities handling diameters up to 5 meters to accommodate virtually all cone crusher models.

How do I identify the correct eccentric bushing for my crusher?

Always reference your cone crusher’s model number, serial number, and OEM part number when ordering replacement bushings. Providing your equipment details ensures perfect compatibility and optimal performance.

Installation & Maintenance

What are the key installation considerations?

Proper installation requires:

• Clean mating surfaces free of contaminants
• Correct alignment with the eccentric assembly
• Appropriate lubrication during assembly
• Verification of clearances according to manufacturer specifications

What lubrication is recommended for eccentric bushings?

Use high-quality extreme pressure (EP) lubricants specifically formulated for cone crushers. Maintain proper viscosity according to operating temperatures and follow the crusher manufacturer’s lubrication guidelines for optimal performance and longevity.

Troubleshooting

What are common signs of eccentric bushing wear?

Watch for these indicators:

• Increased operating temperatures
• Unusual noise or vibration patterns
• Reduced crushing performance
• Visible metal particles in lubrication oil
• Decreased setting adjustment accuracy

How often should eccentric bushings be inspected?

Regular inspection intervals depend on operating hours and crushing conditions. Generally, visual inspections should occur during routine maintenance shutdowns, with detailed measurements taken every 2,000-4,000 operating hours or as recommended by your crusher manufacturer.

Performance & Longevity

What factors affect eccentric bushing lifespan?

Key factors include:

• Proper installation and alignment
• Regular maintenance and lubrication
• Operating conditions and load factors
• Material quality and manufacturing precision
• Crusher settings and feed material characteristics

Can worn eccentric bushings be repaired?

While some bushings can be remachined depending on wear severity, replacement is often more cost-effective for significantly worn components. Consult with our technical team for specific recommendations based on your bushing condition.

Ordering & Support

Do you provide custom machining services?

Yes, we offer custom manufacturing and repair services for eccentric bushings, including emergency machining for urgent requirements. Our technical team can provide specific recommendations based on your equipment serial number and operational needs.

What documentation accompanies your products?

All eccentric bushings include material certification, dimensional inspection reports, and installation guidelines. Additional technical support and crusher setting adjustment recommendations are available upon request.