China Excavator Cylinder Seal Kits manufacturer
Guangzhou Yangkai Machinery Parts Co., Ltd.
Guangzhou Yangkai Machinery Parts Co., Ltd.
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Premium SKF PTB Series Hydraulic Oil Seal PTB-60x70x6.6 PTB 35x45x6 for Excavators

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Guangzhou Yangkai Machinery Parts Co., Ltd.

City: guangzhou

Country/Region:china

Tel:86--18680283811

Contact Person:
Ms.Amy View Contact Details

Premium SKF PTB Series Hydraulic Oil Seal PTB-60x70x6.6 PTB 35x45x6 for Excavators

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Brand Name SKF
Model Number PTB-60X70X6.6-J2J / PTB 35X45X6 ( custom sizes)
Place of Origin Made in China
Minimum Order Quantity 10 pcs
Price $2.8-$7.5
Payment Terms L/C,D/A,D/P,T/T
Supply Ability 1000pcs
Delivery Time 5-8 work days
Packaging Details Box Packaging or Neutral Packing as required.
Condition 100%New
Other Itme Excavator Hydraulic Seals
Applicable Main Fluid General oil hydraulic oil
Size Standard Size , Customized
Hby Type Dark blue skf brand
Temperature 30~+120
Application Hydraulic cylinders, pumps, and motors
Pressure Range 0-35MPa
Package PE+Carton
Compatible Equipment Type Excavator
Part No PTB-60x70x6.6 & 35x45x6
Pressureresistance Up to 1.5 MPa
Features High Temperature
Detailed Product Description
Premium SKF PTB Series Hydraulic Oil Seal

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.

Available Sizes & Applications
Small to Medium Size
SizeApplication
PTB 20*28*5.5Small machinery or auxiliary hydraulic cylinders
PTB 25*33*5.5Small machinery or auxiliary hydraulic cylinders
PTB 30*40*6.6Small machinery or auxiliary hydraulic cylinders
PTB 35*45*6.6Small machinery or auxiliary hydraulic cylinders
Medium Size
SizeApplication
PTB 40*50*6.6Heavy equipment / excavators (PC200, C320, SY215)
PTB 45*55*6.6Heavy equipment / excavators (PC200, C320, SY215)
PTB 50*60*6.6Heavy equipment / excavators (PC200, C320, SY215)
PTB 60*70*6.6Heavy equipment / excavators (PC200, C320, SY215)
PTB 65*80*9.9Heavy equipment / excavators (PC200, C320, SY215)
PTB 70*80*6.6Heavy equipment / excavators (PC200, C320, SY215)
Large Size
SizeApplication
PTB 80*90*11Large booms or stick cylinders (PC400, C345, EC480)
PTB 90*105*9.9Large booms or stick cylinders (PC400, C345, EC480)
PTB 120*135*9.9Large booms or stick cylinders (PC400, C345, EC480)
PTB 160*180*16.5Large booms or stick cylinders (PC400, C345, EC480)
Wide Machine Compatibility: Our PTB Series seals are high-performance alternatives for major heavy machinery brands. Whether you are maintaining a C320D, Komatsu PC200, or EC series, our SKF-standard PTB seals ensure precise fitment for boom, arm, and bucket cylinders.
Product Specifications
Series(d) mm(D) mm(L/S) mm
PTB-303040.76.6
PTB-404050.76.6
PTB-555565.76.6
PTB-757585.76.6
PTB-8585100.79.9
PTB-9595110.79.9
PTB-100100115.79.9
PTB-110110125.79.9
PTB-130130145.79.9
PTB-140140155.79.9
PTB-150150170.712.0
Product Profile
  • 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
Why Partner With Guangzhou Yangkai Machinery Parts?

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
Contact Us Today

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.
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