Model YB251 Excavator Track Rollers NBR Seals
| Attribute | Value |
|---|---|
| Dimension | Standard |
| Certification | ISO, CE |
| Type | Single Flange / Double Flange |
| Condition | 100% Brand-new |
| Heat Treatment | Quenching and Tempering |
| Payment Terms | 30% Downpayment, 70% Before Shipment |
The YB251 Mini Track Roller is a precision-engineered component designed for compact excavators in demanding construction projects. This heavy-duty bottom roller delivers exceptional durability, load-bearing capacity, and smooth operation for compact construction machinery.
- High-grade Material Selection: Premium materials selected 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
We have over ten years of export experience and operate our own bushing factory. We specialize in multiple resource integration with strong quality assurance and excellent service.
Typically 5-8 days after order confirmation, depending on quantity.
Standard product samples are free; customers cover shipping costs which are refundable with order placement.
We manufacture to confirmed specifications with strict quality control, including production inspections and final pre-shipment checks.
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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Have questions about our products or want to discuss a custom order? Our team is ready to help you.