RECOMMENDED PULLEY PITCH DIAMETERS ( mm )
| Y | Z | A | B | C | D | SPZ | SPA | SPB | SPC |
|
20 | 50 | 75 | 125 | 200 | 355 | 67 | 100 | 160 | 224
|
22.4 | 53 | 80 | 132 | 212 | 375 | 71 | 106 | 170 | 236
|
25 | 56 | 85 | 140 | 224 | 400 | 75 | 112 | 180 | 250
|
28 | 60 | 90 | 150 | 236 | 425 | 80 | 118 | 190 | 265
|
31.5 | 63 | 95 | 160 | 250 | 450 | 85 | 125 | 200 | 280
|
35.5 | 67 | 100 | 170 | 265 | 475 | 90 | 132 | 212 | 315
|
40 | 71 | 106 | 180 | 280 | 500 | 95 | 140 | 224 | 355
|
45 | 75 | 112 | 190 | 315 | 530 | 100 | 150 | 236 | 400
|
50 | 80 | 118 | 200 | 355 | 560 | 112 | 160 | 250 | 450
|
56 | 85 | 125 | 212 | 400 | 630 | 125 | 180 | 280 | 500
|
63 | 90 | 132 | 224 | 450 | 710 | 140 | 200 | 315 | 560
|
71 | 95 | 140 | 236 | 500 | 800 | 150 | 250 | 355 | 630
|
80 | 100 | 150 | 250 | 560 | 900 | 160 | 315 | 400 | 800
|
90 | 112 | 160 | 280 | 630 | 1000 | 180 | 400 | 500 | 1000
|
100 | 125 | 180 | 315 | 800 | 1250 | 200 | 500 | 630 | 1250
|
112 | 140 | 200 | 355 | 1000 | 1600 | 250 | 630 | 800 |
|
125 | 150 | 250 | 400 | 1250 | 2000 | 315 | 800 | 1000 |
|
| 160 | 315 | 500 | | | 400 | 1000 | 1250 |
|
| 180 | 400 | 630 | | | 500 | | |
|
| 200 | 500 | 800 | | | 630 | | |
|
| 250 | 630 | 1000 | | | 800 | | |
|
| 315 | 800 | 1250 | | | | | |
|
| 400 | 1000 | | | | | | |
|
| 500 | | | | | | | |
|
| 630 | | | | | | | |
|
| 800 | | | | | | | |
|