Radial seal RE

rotaryelastomerNBR

Product description

The Radial Oil Seal Type RE is a standard rotary shaft seal according to DIN 3760 design type BS. It features a metal outer diameter to ensure an increased press fit in the bore. It can be used for low-viscosity media and gas applications if the mating surface is machined appropriately. The sealing lip includes an inserted tension spring and an additional dust lip for applications with high external dust load. It is particularly suitable for rotating shafts in housings with no or minimal pressure fluctuations. Standard elastomer materials are NBR and FKM; other materials available on request.

Fields of application

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

Main use
Unpressurized sealing for rotating shafts

Materials
Elastomers, metal. Common elastomer options: NBR, FKM

Technical values

• Material variant: NBR — Pressure: up to 0,05 MPa; Temperature: -30°C / +100°C (material dependent); Speed: depending on material and diameter.
• Material variant: FKM — Pressure: up to 0,05 MPa; Temperature: -20°C / +200°C (material dependent); Speed: depending on material and diameter.

Maximum values (temperature, speed and pressure) are not simultaneously applicable; values vary depending on material and media.

Technical characteristics / specifications

• Design type: RE (Radial oil seal, DIN 3760 design type BS)
• Metal outer diameter for increased press fit in the bore
• Inserted tension spring in sealing lip
• Additional dust lip for high external dust load
• Suitable for low-viscosity media and gas applications (requires appropriate surface treatment)
• Main application: unpressurized sealing for rotating shafts
• Standard elastomers: NBR, FKM (other materials on request)
• Maximum pressure: up to 0,05 MPa (material dependent)
• Temperature ranges (material dependent): NBR: -30°C to +100°C; FKM: -20°C to +200°C
• Speed: dependent on material and shaft diameter