E312 Excavator Drive Sprocket Bolt Lug Pattern
| Attribute | Value |
|---|---|
| Condition | 100% Brand-new |
| Marketing Type | Hot Product 2025 |
| Dimension | Standard |
| Terms Of Payment | 30% Downpayment,70% Before Shipment |
| Type | Single Flange/Double Flange |
| Heat Treatment | Quenching And Tempering |
| Certification | ISO.CE |
The E312 sprocket is a critical wear part designed for excavator undercarriage systems, primarily used to drive the track chain and ensure smooth movement of the tracks. It is commonly paired with track chains (e.g., E312/E315 series) and works in conjunction with idlers, rollers, and sprockets to maintain proper track tension and reduce slippage.
Our production involves rigorous quality-controlled processes:
- High-grade Material Selection: Components are crafted from premium materials for maximum durability
- Outer Race/Shell: High-carbon chromium bearing steel (SUJ2) for superior hardness and wear resistance
- Inner Roller/Spindle: Alloy steel (SCM440) engineered to withstand significant radial and axial loads
- Seals & Lubrication: Nitrile rubber (NBR) seals for oil resistance with lithium-based grease for long-term lubrication
- Quality Assurance: All materials undergo thorough inspection for chemical composition and mechanical properties using spectrometers and hardness testers
A: We have over ten years of export experience and operate our own bushing factory. CCJT specializes in multiple resource integration with strong quality assurance and excellent service.
A: Typically 5-8 days after order confirmation, depending on quantity.
A: Standard product samples are free; customers cover shipping costs which are refundable with order placement.
A: We manufacture to confirmed specifications with strict quality control, including production inspections and final pre-shipment checks.
A: We welcome all customers regardless of order size and are committed to mutual growth.
WhatsApp: +86 15859569569
WeChat: +86 15159760767
Email: jackie@qzcjt.com
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