Garter spring-loaded double lip | Maintains constant contact with rotating shafts | Reduces leakage in high-vibration environments
NBR rubber (70 Shore A) with steel reinforcement | Resistant to mineral oil and hydraulic fluids | 0.3MPa pressure rating
C110002162009 Oil Seal for Rock Drill Jumbos – NBR Rubber, Double-Lip Design, -30°C to +120°C

Oil Seal C110002162009 NBR Rubber with High-Temperature Resistance for Rock Drill Jumbos

Part Number: C110002162009
  • Material:
    • NBR rubber (70 Shore A hardness, ASTM D2000 compliant)
    • Reinforced steel case for structural stability
  • Performance:
    • Operating temperature:
    • Maximum pressure: 0.3 MPa
    • Service life: 50,000 hours at 1500 RPM (ISO 6194 tested)
  • Design:
    • Double-lip with garter spring for enhanced sealing
    • Compatible with mineral oil and hydraulic fluids
  • Compliance: ISO 6194 (rotary shaft seals)
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Heavy-Duty Oil Seal for Rock Drill Jumbos
Designed to prevent oil leakage in rotating components of rock drill jumbos, this oil seal combines NBR rubber elasticity with steel reinforcement to withstand the harsh conditions of mining operations. Its robust construction ensures reliable performance in high-vibration environments and extreme temperature fluctuations .

 

Technical Specifications & Design
  • Core Components:
    • NBR Rubber Element: 70 Shore A hardness (ASTM D2000 compliant) provides excellent resistance to mineral oil, the primary fluid in rock drill hydraulic systems. This material maintains flexibility across a wide temperature range, critical for consistent sealing .
    • Steel Case Reinforcement: Prevents deformation under radial pressure, ensuring a tight fit even after prolonged use.
    • Double-Lip with Garter Spring: The secondary lip captures residual oil, while the spring maintains constant contact with the shaft, reducing leakage risk by 40% compared to single-lip designs .

 

Performance Advantages
  • Temperature Versatility: Operates reliably from -30°C (cold underground mines) to +120°C (high-temperature surface drilling), eliminating the need for application-specific seals .
  • Durability:
    • 50,000-hour service life at 1500 RPM (ISO 6194 testing) minimizes maintenance intervals.
    • Withstands 0.3 MPa pressure, matching the hydraulic system requirements of rock drill jumbos.
  • Sealing Reliability: Tolerates 0.5mm shaft misalignment, ensuring effective sealing even in slightly worn components .

 

Applications
  • Rock Drill Jumbos: Used in drill arm pivot shafts, hydraulic motor outputs, and gearbox rotating parts.
  • Mining Equipment: Compatible with tunnel boring machines, hydraulic drills, and heavy-duty loaders.
  • Industrial Machinery: Ideal for conveyors, crushers, and pumps with rotary shafts requiring oil retention.

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