Material: Elastomer: NBR. Stiffening ring and tension spring from steel.
• According to DIN 3760 Design A respectively
  ISO 6194-1 figure 1 and in many additional sizes.
• Most common design, with one seal lip.
• For oil- and grease-lubricated applications.
• For high speed, sliding speed up to 14m/s.
Recommended tolerances: Housing bore H8, shaft-Ø h11, Shaft roughness Ra 0.2 to 0.8 μm.
Temperatur range: -40°C to +100°C (for short time up to +120°C).