Oil Seal RICH 20x42,5x3,8/5 HNBR 01019824B RICH
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Oil Seal RICH 20x42,5x3,8/5 HNBR 01019824B RICH

Oil Seal RICH 20x42,5x3,8/5 HNBR

Type: Oil Seal / Shaft Seal / Sealing Ring
Model: Oil Seal RICH 20 x 42.5 x 3.8/5 HNBR
Material: HNBR (Hydrogenated Nitrile Butadiene Rubber)
Brand: RICH
Origin: China
RICH
01019824B

Volume discounts

Quantity Unit price
10 €4.42
20 €4.21
50 €4.00
100 €3.79
€4.88
No tax
Quantity
🏠 The Product Is In Our Warehouse And Will Arrive At Your Shipping Address Within 7–10 Business Days.

Oil Seal RICH 20 x 42.5 x 3.8/5 HNBR – High-Performance Thermal Sealing

Technical Specifications:

  • Catalog Code: 20 x 42.5 x 3.8/5 HNBR RICH
  • Brand: RICH
  • Type: Oil Seal / Shaft Seal / Sealing Ring
  • Inner Diameter (d): 20 mm
  • Outer Diameter (D): 42.5 mm
  • Height 1 (h1): 3.8 mm
  • Height 2 (h2): 5 mm
  • Material: HNBR (Hydrogenated Nitrile Butadiene Rubber)
  • Country of Origin: China

Key Performance Advantages:

  • Advanced HNBR Stability: Formulated with HNBR to bridge the gap between NBR and FPM, offering superior heat resistance (up to 150°C) and excellent mechanical strength compared to standard nitrile rubber.
  • Enhanced Chemical Resistance: Specifically designed to withstand aggressive oils, fuel additives, and sour gases, preventing the seal from swelling or hardening in modern technical fluids.
  • Precision Dual-Height Profile: The 3.8/5 mm profile allows for a secure fit in specialized housings, providing optimal radial pressure on the 20 mm shaft while accommodating specific assembly tolerances.
  • Superior Abrasion Resistance: HNBR provides high physical strength and resistance to wear, significantly extending the service life of the seal in dynamic, high-friction applications.
  • Oxidative and Ozone Protection: Excellent resistance to environmental degradation, ensuring the seal maintains its elastic properties even during intermittent operation or long-term storage.

Typical Applications:

  • Automotive engine components including timing systems and air conditioning compressors
  • High-temperature industrial pumps and hydraulic systems
  • Precision drivetrain assemblies requiring resistance to aggressive synthetic lubricants

Transparency Note: This product is manufactured under the RICH brand. All dimensions and technical data are provided strictly for identification and compatibility purposes and do not imply any affiliation with other manufacturers.

Data sheet

Inner Diameter
20
Outer Diameter
42,5
Width
3,8/5
Weight
0,015
Compatible with Corteco
01019824B

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