Output seals

Sealing system

Recommended
use

Sealing system
design

Recommended
maintenance
interval

Material

NBR

Standard sealing system

  • Temperature range -40 °C to +80 °C
  • Moderate ambient conditions

 

Oil seal with dust lip
according to Fig. 4

≈ 10 000 h

High-quality NBR (nitrile butadiene rubber)Nitrile butadiene rubber and fluorocarbon rubber in accordance with SEW‑EURODRIVE specification 97 118_15.

FKM

Sealing system for elevated temperatures

  • Temperature range -25 °C to +115 °C
  • S3 operation (high switching frequencies)
  • Moderate ambient conditions

Oil seal with dust lip
according to Fig. 4

≈ 10 000 h

High-quality FKM (fluorocarbon rubber mixture)Nitrile butadiene rubber and fluorocarbon rubber in accordance with SEW‑EURODRIVE specification 97 118_15.

NBR/FKM

Combination seal – premium sealing system for longer service life, especially at low temperatures

  • Temperature range -40 °C to +80 °C
  • Moderate ambient conditions
  • Extended maintenance interval
  • Especially recommended with GearOil by SEW‑EURODRIVE

Combination seal comprising NBR oil seal with dust lip and FKM sine seal according to Fig. 5

≈ 20 000 h

High-quality NBR in combination with high-quality FKM (fluorocarbon rubber mixture)Nitrile butadiene rubber and fluorocarbon rubber in accordance with SEW‑EURODRIVE specification 97 118_15.

FKM/FKM

Combination seal – premium sealing system for longer service life at elevated temperatures

  • Temperature range -25 °C to +115 °C
  • S3 operation (high switching frequencies)
  • Moderate ambient conditions
  • Extended maintenance interval
  • Especially recommended with CLP PG NSF H1 lubricants
  • Especially recommended with GearOil by SEW‑EURODRIVE

Combination seal comprising FKM oil seal with dust lip and FKM sine seal according to Fig. 5

≈ 20 000 h

High-quality FKM (fluorocarbon rubber mixture)Nitrile butadiene rubber and fluorocarbon rubber in accordance with SEW‑EURODRIVE specification 97 118_15.

FKM + fleece

On request: Sealing system for very demanding ambient conditions

  • Temperature range -25 °C to +115 °C
  • S3 operation (high switching frequencies)
  • Abrasive and damp ambient conditions

Oil seal with dust lip and fleece disk based
on Fig. 6

≈ 10 000 h

High-quality FKM (fluorocarbon rubber mixture)Nitrile butadiene rubber and fluorocarbon rubber in accordance with SEW‑EURODRIVE specification 97 118_15. + special fleece