Description

Product Name: Inner Bushing – Aftermarket High‑Lead Bronze Cone Crusher Spare Parts For Symons 3FT,4FT,4.25FT,5.5FT,7FT Cone Crusher
Material: High‑lead bronze castings ZCuPb15Sn8; customized bronze material solutions available on request.
Function
This inner bushing is a precision‑engineered core internal cone crusher part exclusively designed for Symons cone crushers, fully compatible with 3FT, 4FT, 4.25FT, 5.5FT and 7FT models. As an essential Symons cone crusher spare part installed inside the main shaft assembly, this inner bushing bears heavy‑load rotational friction, axial pressure and continuous dynamic impact during mining, quarrying and aggregate crushing. The optimized oil‑groove structure greatly improves internal lubrication efficiency, reduces abrasion between mating cone crusher parts, and ensures long‑term stable operation of Symons cone crusher core assembly under severe heavy‑duty working conditions. We provide a full range of Symons cone crusher spare parts and complete cone crusher parts solutions, including inner bushing, socket liner,frame bushing,upper and down step plate ,countershaft bushing and other wear‑resistant components to meet customers’ one‑stop replacement and procurement needs for Symons crushing equipment.
Compatibility
Precision‑manufactured to perfectly fit all mainstream Symons cone crusher models: 3FT, 4FT, 4.25FT, 5.5FT, 7FT.
All our aftermarket Symons inner bushing and supporting cone crusher spare parts are strictly processed in accordance with OEM dimensional tolerance standards, achieving direct interchangeable replacement without modification and maintaining stable performance of your cone crusher parts.
Quality Control
Each inner bushing undergoes strict multi‑procedure inspection including chemical composition analysis, hardness test, metallographic inspection and full‑size dimensional calibration.
Rigorous quality control ensures outstanding heavy‑load resistance and extended service life in harsh mining environments for all Symons cone crusher parts and cone crusher spare parts.
Applications
·Mining
·Quarrying
·Aggregate processing
·Cement construction materials
·Metallurgical industry
Basic Terms
MOQ: 1 piece
Lead Time: 7–15 working days (depends on stock status)
Payment Terms: T/T, L/C and other international common payment methods
Warranty: 12 months (based on normal working conditions)
Key Features
✅ Exclusive Symons Compatibility
Specially manufactured inner bushing for Symons 3FT‑7FT cone crushers, perfectly matched to original assembly structure of cone crusher parts.
✅ Premium ZCuPb15Sn8 Bronze
Made of ZCuPb15Sn8 high‑lead bronze with excellent wear‑resistance and heavy‑load bearing performance for Symons cone crusher spare parts.
✅ OEM‑Precision Machining
Strictly follows OEM standards with accurate dimensions for seamless installation and direct replacement of cone crusher parts.
✅ Optimized Lubrication Structure
Professional oil‑groove design reduces friction loss and extends service life of core cone crusher spare parts.
✅ Full‑Process Strict Inspection
Every finished inner bushing passes comprehensive testing before delivery to guarantee stable quality of Symons cone crusher parts.
We are a professional China manufacturer and supplier of aftermarket Symons cone crusher spare parts. We supply full‑set Symons cone crusher parts including  inner and outer bushing, socket liner, upper and down step plate, countershaft bushing and other critical wear‑resistant cone crusher spare parts. We accept customized bronze parts for various international crushing equipment according to part numbers or technical drawings.
Whether you need a single inner bushing or a full set of main shaft assembly cone crusher spare parts, we can provide OEM‑quality, cost‑effective and fast‑delivery replacement solutions to support your continuous production.