Top Background Image
  • July 10, 2026

Four Series Hard Gear Reducer - Oil Quick Reference Card


Four major series of reducers/gearboxesRecommended oil products
R series (helical coaxial)
ISO VG 220Mineral oil / CLP 220
S series (worm gear)
ISO VG 320 Mineral oil / CLP 320
F series (parallel axis helical teeth)
ISO VG 220 Mineral oil / CLP 220
K series (spiral bevel gear)ISO VG 220-320 Mineral oil / CLP 220-320

Low temperature environment (<-10 ° C): use synthetic gear oil

High temperature environment (>40 ° C): Use high viscosity mineral oil (VG 460+)

Food processing: use food grade lubricants (NSF H1)

Four major series of gear reducers

Quick Inquiry