The Falk Corporation, a Sundstrand Company, P.O. Box 492, Zip 53201-0492
148-050
3001 W. Canal St., Zip 53208-4200, Milwaukee, WI USA Telephone : 414-342-3131
April 1999
Fax: 414-937-4359 e-mail: [email protected] web: www.falkcorp.com
Supersedes 4-89
Enclosed Gear Drives
•
Installation & Maintenance Instructions
Types GHB, Y, YB & YBX
•
Sizes 1080–1195 & 2050–2235 (Page 7 of 8)
TABLE 7 — Viscosity Recommendations
★
Drive Description
Classification
Symbol
(Drive Type)
Drive
Size
Synthetic Lubricants
R & O Petroleum Oils
Cold Climates
Normal Climates
–30
°
to +10
°
F
(–34
°
to –12
°
C)
–15
°
to +50
°
F
(–26
°
to +10
°
C)
15
°
to 60
°
F
(–9
°
to +16
°
C)
50
°
to 125
°
F
(10
°
to 52
°
C)
IS0-VG AGMA ISO-VG
AGMA
ISO-VG
AGMA
ISO-VG
AGMA
Parallel Shaft and Horizontal
Right Angle
•
Roller Bearings
Fabricated Steel Housings
Y1
50-135, 2050-2135
32
. . .
68
2
100
3
220
5
YF1
1080-1135
32
. . .
68
2
100
3
220
5
Y1
140-195, 2140-2165
32
. . .
68
2
150
4
220
5
YF1
1140-1195
32
. . .
68
2
150
4
220
5
Y2 & YB2
50-195
32
. . .
68
2
150
4
220
5
Y2 & YB2
2050-2245
32
. . .
68
2
150
4
220
5
Y3, YB3 & 4
50-135, 2050-2135
32
. . .
68
2
150
4
220
5
Y3, YB3 & 4
140-195, 2140-2245
32
. . .
68
2
220
5
320
6
Vertical Right Angle
•
Fabricated Steel Housings
YBX2
50-135, 2070-2135
32
. . .
68
2
100
3
220
5
YBX3
50-135, 2070-2135
32
. . .
68
2
150
4
220
5
YBX2
140-195, 2140-2195
32
. . .
68
2
150
4
220
5
YBX3
140-195, 2140-2195
32
. . .
68
2
220
5
320
6
Parallel Shaft
•
Sleeve and Roller Bearings
Cast Iron Housings
GHC, GHF
GDA, GDF
GRA, GRF
5
6-9
10-13
32
32
32
. . .
. . .
. . .
68
68
68
2
2
2
100
150
150
3
4
4
220
220
220
5
5
5
Right Angle
•
Horizontal and Vertical
Cast Iron Housings
2000 GHB1
2050-2120
32
. . .
68
2
100
3
220
5
GHB
GDB
GRB
3-5
6-9
10-12
32
32
32
. . .
. . .
. . .
68
68
68
2
2
2
100
150
150
3
4
4
220
220
220
5
5
5
GDX
4, 5
32
. . .
68
2
100
3
220
5
GDX, GRX
6-12
32
. . .
68
2
150
4
220
5
Parallel Shaft Semi-High Speed
‡
•
Sleeve, Roller and Ball Bearings
YHF1
YH1
YH2
1080-1135
2050-2125
2050-2175
32
32
32
. . .
. . .
. . .
68
68
68
2
2
2
100
150
150
3
3
4
220
220
220
5
5
5
GHCH
GHCH
5
6-13
32
32
. . .
. . .
68
68
2
2
68
100
2
3
100
150
3
4
Parallel Shaft High Speed
‡
•
Sleeve Bearings
YQA, YPA
All Sizes
32
. . .
68
2
46
†
1
†
68
2
H
Consult Factory for viscosity recommendations when ambient temperatures are higher than 125
°
F(52
°
C), or when drives are operating in extremely humid,
chemical, or dust laden atmospheres.
† Lubricant inlet temperature to gear drive must not exceed 100
°
F(38
°
C) when using an AGMA No. 1 oil (193 to 235 SSU at 104
°
F; 41.5-50.6 cSt at 40
°
C)
in a pressure lubrication system.
‡ Consult Factory before substituting higher viscosity grades from those indicated in Table 7 above.