Operating limits

Operating limits for type HN 2580 Max. peripheral speed: m/s 30
Temperature range: °C –60 to +200
Max. pressure: bar 0.5
Center offset: mm ≤ 0.2
Concentricity tolerance mm ≤ 0.1

Typical Applications

Centrifugal machines
Blowers
Shaft encoder

Type HN 2580

Standard

Standard version for pressureless applications and/or pressures slightly above atmospheric. This version features a highly flexible sealing lip and an additional protective lip. Suitable applications include transmissions/gearboxes, machine tools and pumps.

Standard compound:

PTFE-compound HS 21059

Design features:

Single-part sealing and protective lip
Sealing lip with wear protection
Low radial pre-loading of sealing lip

Properties:

Suitable for unhardened shafts as well
High flexibility of the sealing lip
Good friction behavior
Pre-defined width of contact surface
Suitable for oil-free and lubricated applications

Special Type Friction-Optimized (FO)

For low-pressure applications, e.g. centrifugal machines and blowers.

Standard compound:

PTFE-compound HS 21059

Design features

Wear protection for prolonged service life
Highly flexible sealing lip

Properties

Suitable for unhardened shafts as well
Suitable for high peripheral speeds
Low generation of frictional heat
Suitable for small assembly spaces
Long service life

Products

Type HN 2580

Standard

Special Type Friction-Optimized (FO)