Radial seal RA

rotaryelastomerNBR

Product overview
The Radial Oil Seal Type RA is a standard rotary shaft seal manufactured to DIN 3760 design type A. It features an elastomeric outer diameter and an inserted tension spring. The seal is intended for rotating shafts in housings with no or minimal pressure fluctuations. Standard elastomer options are NBR and FKM; additional materials are available on request.

Fields of application

• static
• dynamic
• single-acting
• double-acting
• linear
• rotating
• oscillating

Main use
Unpressurized sealing for rotating shafts in housings

Materials

• Elastomers
• Metal components
• Standard elastomer variants: NBR, FKM

Technical values

• Materials: elastomers, metal
  • NBR
  • FKM
• Pressure: up to 0.05 MPa
• Temperature:
  • NBR: -30°C to +100°C (material dependent)
  • FKM: -20°C to +200°C (material dependent)
• Speed: dependent on material and shaft diameter

Downloads
Product-related downloads are available from the manufacturer's downloads area.

Characteristics / Technical specifications

• Standard: DIN 3760 design type A
• Design: elastomeric outer diameter with inserted tension spring
• Intended application: rotating shafts in housings with no or minimal pressure fluctuations
• Standard materials: NBR, FKM (other materials on request)
• Maximum pressure: up to 0.05 MPa
• Temperature ranges (material dependent): NBR -30°C to +100°C; FKM -20°C to +200°C
• Speed: dependent on material and shaft diameter