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RS PRO Nitrile Rubber (NBR) Rotary Shaft Seal Black, 17 mm ID, 26 mm OD, 6 mm Thickness 226-3721

Category Seal Brand RS PRO Condition New

Specifications

Country of Origin India
Brand RS PRO
THICKNESS 6mm
Model 226-3721
Outside diameter 26mm
Seal Type Rotary Shaft Seal
Seal Material Nitrile Rubber (NBR)
Inside Diameter 17mm

Key Features

  • The seal is made from durable nitrile rubber (NBR) material offering excellent resistance to oil, hydraulic fluids, and grease.
  • Designed primarily for driveshafts, crankshafts, and hydraulic cylinders with rotating shafts.
  • Operating temperature range is from -20°C to 90°C, suitable for various industrial environments.
  • Features a hardness rating of 70 ±5 Shore A providing reliable sealing performance.
  • The seal's tensile strength measures 18.9 MPa ensuring material durability under stress.
  • Has a high elongation capacity of 438% for elasticity and flexibility.
  • Specific gravity is approximately 1.25 ± 0.03 g/cm³, indicating material density.
  • Tear resistance rating is 58 N/mm, enhancing wear resistance.

Product Description

RS PRO 226-3721 is a high-quality nitrile rubber (NBR) rotary shaft seal designed for industrial, mechanical, and fluid power applications. It offers robust sealing performance in rotating shafts such as driveshafts, crankshafts, and hydraulic cylinders that require lubrication with oil or grease.

The seal features precise dimensions of 17 mm inside diameter, 26 mm outside diameter, and a thickness of 6 mm, ensuring compatibility with a variety of equipment.

Constructed from durable nitrile rubber, the seal exhibits excellent resistance to lubrication oils, hydraulic fluids, and grease. Its operating temperature range from -20°C to 90°C makes it suitable for diverse industrial environments.

The nitrile rubber material possesses a hardness of 70 ±5 Shore A, providing reliable wear resistance and sealing performance. Additionally, it has a tensile strength of 18.9 MPa and an elongation capacity of 438%, lending it both strength and flexibility.

With a specific gravity of approximately 1.25 ± 0.03 g/cm³ and tear resistance of 58 N/mm, this seal delivers excellent durability and longevity in demanding conditions. This seal is black in color and designed for use in applications requiring robust rotary shaft sealing. It is not suitable for brake oil, phosphoric ester, or ester-based fluids.

Typical use cases include industrial machinery maintenance, fluid power equipment, hydraulic cylinders, and automotive parts where reliable shaft sealing is critical. Set contains single RS PRO nitrile rubber rotary shaft seal model 226-3721 with specified dimensions and material characteristics.

Explore additional Seals and mechanical components in the Industrial Tools & Equipment category at EnvMart for comprehensive solutions.

RS PRO Nitrile Rubber (NBR) Rotary Shaft Seal Black, 17 mm ID, 26 mm OD, 6 mm Thickness 226-3721
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Frequently Asked Questions

The seal has an inside diameter of 17 mm, an outside diameter of 26 mm, and a thickness of 6 mm.

It is constructed from nitrile rubber (NBR), which offers excellent resistance to oils, hydraulic fluids, and grease.

The operating temperature range is from -20°C to 90°C, making it suitable for various industrial environments.

The hardness rating is 70 ±5 Shore A, providing reliable sealing performance.

The tensile strength measures 18.9 MPa, ensuring material durability under stress.

It has a high elongation capacity of 438%, which contributes to its elasticity and flexibility.

The tear resistance rating is 58 N/mm, enhancing its wear resistance.

No, this seal is not suitable for brake oil, phosphoric ester, or ester-based fluids.

It is designed for driveshafts, crankshafts, and hydraulic cylinders that require lubrication with oil or grease.

The specific gravity is approximately 1.25 ± 0.03 g/cm³, indicating the material density.

The country of origin for this seal is India.

It is a rotary shaft seal designed for industrial, mechanical, and fluid power applications.

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