Flowserve ESP3 User Manual
Page 33
ESP3 USER INSTRUCTIONS ENGLISH 26999943 08-11
Page 33 of 64
Figure 5-6: Number of line shaft bearings for standard span
GROUP 1
GROUP 2
GROUP 3
GROUP 3
PIT
EXCEPT 6X4X13
6X4X13
DEPTH
3600 RPM 1800 RPM 3600 RPM 1800 RPM 1800 RPM 1200 RPM 1800 RPM 1200 RPM
2’-0"
1
1
1
1
2'-6"
1
1
1
1
3'-0"
1
1
1
1
1
1
3'-6"
1
1
1
1
1
1
1
1
4'-0"
2
1
1
1
1
1
1
1
4'-6"
2
1
2
1
1
1
1
1
5’-0”
2
1
2
1
1
1
1
1
5'-6"
2
2
2
2
1
1
1
1
6’-0”
2
2
2
2
1
1
1
1
6'-6"
3
2
2
2
1
1
1
1
7’-0”
3
2
2
2
1
1
2
2
7'-6"
3
2
3
2
2
2
2
2
8'-0"
3
2
3
2
2
2
2
2
8'-6"
3
2
3
2
2
2
2
2
9'-0"
4
2
3
2
2
2
2
2
9'-6"
4
3
3
3
2
2
2
2
10'-0"
4
3
3
3
2
2
2
2
10'-6"
4
3
4
3
2
2
2
2
11'-0"
4
3
4
3
2
2
2
2
11'-6"
5
3
4
3
2
2
2
2
12’-0”
5
3
4
3
2
2
3
3
12'-6"
5
3
4
3
3
3
3
3
13'-0"
5
3
4
3
3
3
3
3
13'-6"
5
4
5
4
3
3
3
3
14'-0"
6
4
.5
4
3
3
3
3
14'-6"
6
4
5
4
3
3
3
3
15'-0"
6
4
5
4
3
3
3
3
15'-6"
6
4
5
4
3
3
3
3
16'-0"
6
4
5
4
3
3
3
3
16'-6"
7
4
6
4
3
3
3
3
17'-0"
7
4
6
4
3
3
4
4
17'-6"
7
5
6
5
4
4
4
4
18’-0”
7
5
6
5
4
4
4
4
18'-6"
7
5
6
5
4
4
4
4
19'-0"
8
5
6
5
4
4
4
4
19'-6"
8
5
7
5
4
4
4
4
20'-0"
8
5
7
5
4
4
4
4
MAX. BRG.
S P A N
30"
48"
36"
48"
60"
60"
60"
60"
The above numbers include the bottom adapter bearing. For determining the required number of line
shaft bearing lubrication points, use the total quantity of line shaft bearings on this sheet.
These spans meet the requirements of ANSI/API STANDARD 610, 11th Edition, Figure 37.