Description
What is a Cone Crusher Pinionshaft Assembly?
A cone crusher Pinionshaft Assembly is the complete horizontal drive module that transfers rotational power from the main drive motor into the crusher’s eccentric assembly. Its primary critical function is to carry the pinion gear, drive the eccentric gear, and withstand immense torsional stress and vibration during high-tonnage aggregate production. A premium Pinionshaft Assembly ensures smooth power transmission, prevents drive train slippage, and guarantees reliable operation under heavy mineral reduction loads.
Equipment Compatibility & OEM Cross-Reference
Our aftermarket replacement Pinionshaft Assembly and individual sub-parts are precision-engineered to be direct-fit upgrades for Sandvik crushers, significantly lowering your Total Cost of Ownership (TCO) while ensuring zero installation issues and maximum field uptime.
Specification of Pinionshaft Assembly For Sandvik CH H CS S Series Cone Crusher
Product Name: Pinionshaft Assembly
Categorías: Spare Part > Para trituradora de cono Sandvik > Pinionshaft Assembly
Product Include: Pinion, Bearing, Pinion Shaft, Pinionshaft Housing
Applicable Sandvik Models:
CH420, CH430, CH440, CH660, CH870, CH880, CH890, CH895
CS420, CS430, CS440, CS660
H2800, H3800, H4800, H6800, H7800, H8800
S2800, S3800, HS800, HS800
Part Number List
| Model | Part Number | Description |
|---|---|---|
| CH430/CS430 | 442.7802-00 | Pinion |
| CH430/CS430 | 442.9936-01 | Pinion Shaft |
| CH430/CS430 | 868.0805-00 | Pinion End Bearing |
| CH430/CS430 | 442.7949-01 | Pinionshaft Housing |
| CH430/CS430 | 868.0790-00 | Sheave End Bearing |
| CH430/CS430 | 873.1097-00 | Pinionshaft Oil Seal |
| CH440/CS440 | 442.7506-00 | Pinion shaft housing |
| CH440/CS440 | 442.7093-00 | Pinion |
| CH440/CS440 | 868.0282-00 | Bearing |
| CH440/CS440 | 868.0804-00 | Bearing |
| CH440/CS440 | 442.713-00 | Spacer inner |
| CH440/CS440 | 873.0779-00 | Seal O-ring |
| CH440/CS440 | 873.0399-00 | Seal O-ring |
| CH440/CS440 | 873.1208-00 | Oil seal ring |
| CH440/CS440 | 442.9684-00 | Bearing cover inner |
| CH440/CS440 | 442.7133-00 | Bearing cover outer |
| CH440/CS440 | 442.9937-01 | Pinion shaft |
| CH440/CS440 | 442.7093-00 | Gear and pinion set |
| CH660/CS660 | 442.8723 | Gear and pinion set |
| CH660/CS660 | 442.8764 | Pinion shaft housing |
| CH660/CS660 | 442.8723 | Pinion |
| CH660/CS660 | 442.8771 | Spacer |
| CH660/CS660 | 873.1161 | Oil seal ring |
| CH660/CS660 | 442.8766 | Bearing cover |
| CH660/CS660 | 442.8765 | Bearing cover |
| CH660/CS660 | 442.8772-01 | Pinion shaft |
| CH870 | 452.0727-001 | Pinion shaft |
| CH870 | 452.0657 | Pinion shaft housing |
| CH870 | 442.9809 | Wear ring |
| CH870 | 442.9808 | Spacer |
| CH870 | 442.926 | Outer bearing cover |
| CH870 | 442.926 | Outer bearing cover |
| CH880/CH890/CH895 | 452.2007-901 , N11852160 | Pinionshaft Housing ASSY |
| CH880/CH890/CH895 | 442.9639-00 | Pinion |
| CH880/CH890/CH895 | 442.9807-01 , N11851692 | Pinionshaft New Style |
| CH880/CH890/CH895 | 442.9259-01 , N11851557 | Pinionshaft Old Style |
| CH880/CH890/CH895 | 442.9806-01 , N11851691 | Pinionshaft Housing |
| CH880/CH890/CH895 | 452.2631-901 | Step Bearing Set |
Core Engineering & Technical Advantages
Because the horizontal drive train handles continuous rotational friction and extreme kinetic impact from tramp iron events, standard shafts are prone to snapping or metal fatigue. Our premium Pinionshaft Assembly replacements are manufactured in China to deliver unmatched heavy-duty durability:
Complete Drop-In Module: Every assembly integrates the high-strength pinion shaft, precision pinion gear, robust housing, and heavy-duty bearings, factory-matched and tested for immediate on-site installation.
High-Strength Forged Alloy Steel: Forged from premium alloy steel (such as 42CrMo) to deliver exceptional tensile strength and torsional rigidity, preventing the shaft from twisting or snapping under heavy loads.
Precision CNC Machining: Bearing journals, gear mounting zones, and housing bores are machined to exact microscopic tolerances, ensuring a flawless, zero-vibration fit.
Advanced Heat Treatment: Undergoes specialized quenching and tempering processes to maximize core structural toughness while providing a hardened exterior surface that resists abrasive wear and fretting.
Maintenance Guidelines: When to Replace Your Pinionshaft Assembly
Operating a crusher with a bent, deeply scored, or misaligned pinionshaft will rapidly destroy your bearings and lead to catastrophic gear tooth shearing. We recommend thoroughly inspecting the Pinionshaft Assembly during every drive train overhaul:
| Inspection Focus | Warning Signs (Replace Immediately) | Best Practice Solution |
| Bearing & Journal Wear | Deep scoring, fretting, or a measurable reduction in diameter on the shaft areas where bearings seat. | Replace the worn Pinion Shaft or the complete assembly module to restore proper bearing clearances and prevent wobbling. |
| Keyway & Spline Damage | The keyway slot or spline teeth are flared, burred, or physically widened from continuous rotational slipping. | Swap the damaged components. A loose keyway will cause the pinion gear to slip, instantly destroying the drive train. |
| Shaft Runout & Bending | Dial indicator measurements show the shaft is bent or warped beyond acceptable OEM maximum tolerances. | Replace immediately. A bent shaft will generate immense structural vibration, rapidly destroying the housing and eccentric gear. |
Explore More Crusher Drive Train Components
To maintain peak crushing volumetric throughput (TPH) and stable operation, ensure your maintenance inventory is stocked with fully compatible, premium parts. Browse our specific component categories:
Find precision-machined Inner Head Nut For Sandvik Cone Crusher and Main Shaft Assemblies for complete Sandvik rebuilds.
Explore our robust aftermarket spares for Sandvik CH & CS Series Crushers.
View high-performance replacement Eccentric Assemblies and Spherical Roller Bearings for Sandvik cone crushers.
