: DIMENTIONAL DATA :
|
-: 2 To 1 SPEED VARIATION :-
|
| REF. NO |
MAX. BORE |
VARI-SPEED BELT SECTION |
PITCH DIA.OF V/S PULLEY |
OUTSIDE DIAMETER |
SUITABLE FOR H.P. @1440 RPM |
| 2/A/15 |
2 1/2" |
2 1/4" X 5/8" |
MIN 7" | MAX 14" |
15" |
12 TO 15 H.P. |
-: 3 To 1 SPEED VARIATION :- |
| 3-A/5 |
1/2" |
B SEC |
1 1/2" |
4 1/2" |
5" |
1/2 H.P. |
| 3-A/6 |
1" |
7/8" X 3/8" |
1 3/4" |
5 1/2" |
6" |
3/4 H.P. |
| 3-A/7 |
1" |
7/8" X 3/8" |
1 3/4" |
6 1/2" |
7" |
1 H.P. TO 2.H.P. |
| 3-A/8 |
1" |
1" X 3/8" |
2" |
7 1/2" |
8" |
1.5 TO 2 1/2 H.P. |
| 3-A/9 |
1 1/4" |
1 1/4" X 1/2" |
2 1/2" |
8" |
9" |
2.5 TO 3 H.P. |
| 3-A/10 |
1 1/2" |
1 1/2" X 5/8" |
2 3/4" | 9" |
10" |
4 TO 5 H.P. |
| 3-A/12 |
1 3/4" |
2 1/4" X 5/8" |
3" | 10 7/8" |
12" |
7.5 TO 12 H.P. |
| 3-A/15 |
2" |
2 1/4" X 5/8" |
3 1/4" | 14" |
15" |
12.5 TO 15 H.P. |
| 3-A/18 |
2 1/4" |
3" X 1" |
4" | 16" |
18" |
16 TO 20 H.P. |
| 3-A/20 |
2 1/2" |
3" X 1" |
4 1/2" | 18" |
20" |
20 TO 30 H.P. |
-: 4 To 1 SPEED VARIATION :- |
| 4-A/75 |
3/4" |
1" X 3/8" |
1 3/4" |
7" |
7 1/2" |
3/4 TO 2 H.P. |
| 4-A/10 |
7/8" |
1 1/2" X 5/8" |
2 3/8" |
9 1/2" |
10" |
3 TO 4 H.P. |
| 4-A/12 |
1 1/8" |
2 1/4" X 5/8" |
2 7/8" | 11 1/2" |
12" |
7 TO 12 H.P. |
| 4-A/14 |
1 3/8" |
2 1/4" X 5/8" |
3 3/8" | 13 7/16" |
14" |
12 TO 15 H.P. |
| 4-A/19 |
1 5/8" |
3" X 1" |
4 1/2" |
1.8 |
19" |
20 H.P. |
HOW TO SELECT THE CORRECT VARIABLE SPEED BELT FOR AUTOMANUAL VARIABLE SPEED DRIVES WITH GIVEN FIXED CENTRE TO CENTRE SHAFT DISTANCE : |
| MAX BORE OF BOTH PULLEY INC. |
|
INSIDE CIRCUMFERENCE OF VARIABLE SPEED BELT IN INCHES.
|
|
|
|
CENTER TO CENTER DISTANCE IN INCHES
|
|
OF THE DRIVE AND DISTANCE SHAFTS.
|
|
| 3/4 |
10 |
14 |
17 1/2 |
- |
29 |
- |
- |
| 1 |
- |
2 |
15 1/2 |
21 |
27 |
33 1/2 |
33 |
| 1 1/4 |
- |
- |
14 |
19 1/2 |
25 1/2 |
32 |
36 1/2 |
| 1 1/2 |
- |
- |
- |
17 1/2 |
23 1/2 |
30 |
34 1/2 |
|
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