Premium SKF PTB Series Hydraulic Oil Seal PTB-60x70x6.6 PTB 35x45x6 for Excavators
Ensure peak performance and eliminate fluid leaks in your heavy machinery with our authentic SKF PTB Series Hydraulic Oil Seals. Engineered for high-pressure hydraulic cylinders, these seals offer exceptional wear resistance and dimensional stability. Whether you are maintaining excavators or industrial hydraulic systems, our seals provide the exact fit needed to reduce downtime and maintenance costs.
| Size | Application |
|---|---|
| PTB 20*28*5.5 | Small machinery or auxiliary hydraulic cylinders |
| PTB 25*33*5.5 | Small machinery or auxiliary hydraulic cylinders |
| PTB 30*40*6.6 | Small machinery or auxiliary hydraulic cylinders |
| PTB 35*45*6.6 | Small machinery or auxiliary hydraulic cylinders |
| Size | Application |
|---|---|
| PTB 40*50*6.6 | Heavy equipment / excavators (PC200, C320, SY215) |
| PTB 45*55*6.6 | Heavy equipment / excavators (PC200, C320, SY215) |
| PTB 50*60*6.6 | Heavy equipment / excavators (PC200, C320, SY215) |
| PTB 60*70*6.6 | Heavy equipment / excavators (PC200, C320, SY215) |
| PTB 65*80*9.9 | Heavy equipment / excavators (PC200, C320, SY215) |
| PTB 70*80*6.6 | Heavy equipment / excavators (PC200, C320, SY215) |
| Size | Application |
|---|---|
| PTB 80*90*11 | Large booms or stick cylinders (PC400, C345, EC480) |
| PTB 90*105*9.9 | Large booms or stick cylinders (PC400, C345, EC480) |
| PTB 120*135*9.9 | Large booms or stick cylinders (PC400, C345, EC480) |
| PTB 160*180*16.5 | Large booms or stick cylinders (PC400, C345, EC480) |
| Series | (d) mm | (D) mm | (L/S) mm |
|---|---|---|---|
| PTB-30 | 30 | 40.7 | 6.6 |
| PTB-40 | 40 | 50.7 | 6.6 |
| PTB-55 | 55 | 65.7 | 6.6 |
| PTB-75 | 75 | 85.7 | 6.6 |
| PTB-85 | 85 | 100.7 | 9.9 |
| PTB-95 | 95 | 110.7 | 9.9 |
| PTB-100 | 100 | 115.7 | 9.9 |
| PTB-110 | 110 | 125.7 | 9.9 |
| PTB-130 | 130 | 145.7 | 9.9 |
| PTB-140 | 140 | 155.7 | 9.9 |
| PTB-150 | 150 | 170.7 | 12.0 |
- Available Sizes: 60x70x6.6 mm, 35x45x6 mm (Contact us for complete size list)
- Material: High-grade Polyurethane / Specialized wear-resistant compound
- Application: Hydraulic cylinders, Excavators, Loaders, and heavy-duty mechanical equipment
- Performance: High resistance to pressure peaks, excellent sealing efficiency, and extended service life in harsh environments
We understand that incorrect or low-quality parts lead to costly machinery downtime. Our commitment is to provide you with rigorous technical verification before every shipment.
- 100% Technical Accuracy: We cross-check part numbers and dimensions to ensure the seal perfectly matches your equipment requirements
- Global Logistics: We partner with trusted forwarders (DHL, UPS, etc.) to ensure your production lines or maintenance schedules are never delayed
- Flexible Transactions: Secure and compliant payment methods available for both small trial orders and bulk procurement
Need technical verification for your specific machinery model? Send us your part numbers or dimensions, and our professional team will provide a tailored, cost-effective solution within 12 hours.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.