Gear oil|Industrial lubricating oil

Lubrication method and appropriate viscosity for sealed gears

Binion
Number of revolutions
(rpm)
Horsepower (PS) Lubrication method At a reduction ratio of 10:1 or less At a reduction ratio of 10:1 or more
Appropriate lubricant viscosity Appropriate lubricant viscosity
@40℃cSt ISO viscosity grade @40℃cSt ISO viscosity grade
over 300 30 or less circulation or splash 135~234 1,501,220 180~279 220
30~100 180~279 220 216~360 220,320
over 100 279~378 320 360~522 460
300~1,000 20 or less circulation or splash 81~153 100,150 117~198 150
20~75 117~198 150 180~279 220
75 or more 180~279 220 279~378 320
1,000~2,000 less than 10 circulation or splash 54~117 68,100 59~153 68,100,150
10~50 59~153 68,100,150 135~198 150
over 50 135~198 150 189~342 220,320
2,000~5,000 5 or less circulation or splash 27~36 32 41~63 46
5~20 41~63 46 59~144 68,100
over 20 59~144 68,100 95~153 100,150
Over 5,000 1 or less circulation or splash 9~31 10、15、22 18~32 22、32
1~10 18~32 22、32 29~63 32、46
More than 10 29~63 32、46 41~63 46
  • The shape of the gear is spur gear, helical gear, bevel gear, spiral bevel gear, and the operating temperature (oil temperature) is 10 to 50℃.

AGMA/General gear

Appropriate viscosity @37.8℃ mm2/s

Type of reducer Reducer size Ambient temperature
-9℃~15℃ 10~50℃
Parallel shaft reducer (single reduction) Axial center distance 203mm or less 60~86 151~216
203~508mm 60~86 151~216
508mm or more 151~216 151~215
Parallel shaft reducer (two-stage reduction) Axial center distance 203mm or less 60~86 151~216
203~508mm 151~216 151~216
508mm or more 151~216 151~216
Parallel shaft reducer (three-stage reduction) Axial center distance 203mm or less 60~86 151~216
203~508mm 151~216 151~216
508mm or more 151~216 16~22 @98.9℃
planetary gear reducer Housing diameter 406mm or less 67~86 151~216
406mm or more 151~216 151~216
bevel gear cone distance 308mm or less 60~86 151~216
308mm or more 151~216 16~22 @98.9℃
Geared motor Various dimensions 60~86 151~216

AGMA/worm gear lubrication method and appropriate viscosity range

Operating temperature (℃)
Ambient temperature
Refueling method Appropriate lubricant viscosity ISO viscosity
grade
less than 30 oil bath 99~216 (@40℃cSt) 150
Coating/Filling Gear compound 55~110 (@100℃cSt)
30 or more Oil bath/splashing Grease 320 to 370 (consistency @25℃)
General 135-351 (@40℃cSt) 150,220,320
high temperature 261~603(@40℃cSt) 320,460
Coating/Filling Gear compound 120~250 (@100℃cSt)
Grease 320 to 370 (consistency @25℃)

AGMA/Open gear lubrication method and appropriate viscosity range

Operating temperature (℃)
Ambient temperature
Refueling method Appropriate lubricant viscosity ISO viscosity
grade
0~25 Dripping/spraying 50~59(@40℃cSt) 68
coating Gear compound 55~110 (@100℃cSt)
Grease 290~330 (Consistency @25℃)
10~55 Dripping/spraying 54~81(@40℃cSt) 68
coating Gear compound 120~250 (@100℃cSt)
Grease 290 to 330 (consistency @25℃)
55 or more coating Gear compound 170~410 (@100℃cSt)
Grease 230 to 290 (Consistency @25℃)

AGMA classification of gear oil for sealed gears

Types of lubricating oil Application Usage limit temperature Our equivalent oil
R&O gear oil Mineral oil with antioxidants and rust inhibitors added 200°F or less (93°C or less) Daphne Mechanic Oil 32-68
EP gear oil Mineral oil with extreme pressure agent added
(Extreme pressure agent is lead naphthenate or SP type)
Below 160-200°F (Below 71-93°C) Daphne Super Gear Oil 68-680
compound gear oil Mineral oil with 3 to 10% fatty oil or synthetic fatty acids added. Generally used for worm gears. Below 160-200°F (Below 71-93°C) Daphne open gear oil
synthetic gear oil Used under special conditions in polyol esters, polyglycols and synthetic hydrocarbon oils - Daphne alpha gear

JIS industrial oil gear oil type 1 quality standard

Viscosity classification Kinematic viscosity m 2 /s (40℃) cSt viscosity index Flash point ℃ Pour point ℃ copper plate corrosion
100℃3h
Rust prevention performance
distilled water 24h
Demulsifying property *1
54℃ 82℃
ISO VG32 28.8 or more - 35.2 or less 90
Below
Up
170
Below
Up
-Ten
Below
under
1
Below
under
rust
of
Na
stomach
child
and
60
minutes
Below
under
-
ISO VG46 41.1 or more - 50.6 or less 180
Below
Up
ISO VG68 61.2 or more - 74.8 or less
ISO VG 100 90.0 or more - 110 or less 200
Below
Up
-Five
Below
under
- 60
minutes
Below
under
ISO VG 150 135 or more - 165 or less
ISO VG 220 198 or more - 242 or less
ISO VG 320 288 or more - 352 or less
ISO VG460 414 or more - 506 or less
  • Demulsifying property is the time when the capacity of the emulsifying layer becomes 3 m

JIS industrial oil gear oil 2 types of quality standards

Viscosity classification Kinematic viscosity mm 2 /s (40℃) viscosity index Flash point ℃ Pour point ℃ copper plate corrosion Rust prevention performance Demulsifying property *1
cSt 100℃3h distilled water 24h 54℃ 82℃
ISO VG68 61.2 or more - 74.8 or less 90
Below
Up
180
Below
Up
-15
Below
under
1
Below
under
rust
of
Na
stomach
child
and
60
minutes
Below
under
-
ISO VG 100 90.0 or more - 110 or less 200
Below
Up
- 60
minutes
Below
under
ISO VG 150 135 or more - 165 or less
ISO VG 220 198 or more - 242 or less -Ten
Below
under
ISO VG 320 288 or more - 352 or less
ISO VG460 414 or more - 506 or less -Five
Below
under
ISO VG 680 612 or more - 748 or less
  • Demulsifying property is the time when the capacity of the emulsifying layer becomes 3 m

Our equivalent oil

  • Daphne Super Gear Oil 68-680

  • Daphne gear oil 100-680

  • Daphne Alpha Gear 68-320 (synthetic oil PAO series)

  • Daphne worm gear oil 460

  • Daphne Alpha Warm 320, 460 (synthetic oil PAO type)