Radial seal RH

rotaryNBRmetal

Overview
The Radial oil seal Type RH is a rotary shaft seal with a metal outer diameter to provide an increased press fit in the bore. It is produced without an inserted tension spring, which reduces friction at the sealing lip. The seal is suitable for low-viscosity media and gas applications if the mating surface is machined accordingly. It is intended for rotating shafts in housings where no internal pressure is present. Standard elastomer options: NBR and FKM; additional 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 (standard: NBR, FKM), metal

Technical values / Variants

• Materials (variants): NBR, FKM (other materials on demand)
• Pressure: not applicable (unpressurized applications)
• Temperature (NBR, material dependent): -30°C to +100°C
• Temperature (FKM, material dependent): -20°C to +200°C
• Speed: depends on material and shaft diameter

Notes
Maximum values for temperature, speed and pressure are not simultaneously applicable. Actual limits vary with elastomer grade, metal design and the media in use.

Technical specifications

• Type: radial oil seal (Type RH)
• Design feature: metal outer diameter for increased press fit in bore
• Sealing lip: without inserted tension spring (reduced friction)
• Intended use: unpressurized sealing for rotating shafts
• Standard elastomer materials: NBR, FKM
• Other materials: available on request
• Suitable media: low-viscosity liquids and gases (with appropriate surface treatment)
• Temperature ranges: NBR: -30°C to +100°C (material dependent); FKM: -20°C to +200°C (material dependent)
• Pressure: not applicable / unpressurized applications
• Speed: dependent on material and shaft diameter