Looking for a sheave? Use our Ronstan sheave sizing chart below.
Note: Only a few of these products are set up to be purchased online - contact us for a special order!
| Product No. | Description |  |
Max. Rope Diam.in. | Max. Wire Diam.in. | ||||
|---|---|---|---|---|---|---|---|---|
| A | B | C | ||||||
| in. | in. | in. | ||||||
 |
Harken 160 | Bullet | 1 1/8 | 1/2 | 1/4 | 5/16 | - | |
| Harken 265 | Big Bullet | 1 1/2 | 9/16 | 1/4 | 3/8 | - | ||
| Harken 277 | Micro | 7/8 | 13/32 | 3/16 | 1/4 | - | ||
 |
Harken 303 | Wire | 1 | 9/32 | 3/16 | 5/32 | 3/32 | |
 |
Harken 307 | Wire | 1 1/2 | 13/32 | 1/4 | 3/16 | 1/8 | |
| Harken 311 | 2 | 13/32 | 5/16 | 1/4 | 3/16 | |||
 |
Harken 415 | 16mm | 5/8 | 5/16 | 3/16 | 3/16 | - | |
 |
Harken 1533 | Small Midrange | 2 | 7/8 | 1/4 | 5/8 | - | |
| Harken 1534 | Small Midrange/Aluminum | 2 | 7/8 | 1/4 | 5/8 | 3/16 | ||
 |
Harken 6062 | Cruising ESP | 1 9/16 | 11/16 | 5/16 | 1/2 | - | |
 |
Harken 6063 | Cruising ESP | 2 1/4 | 13/16 | 3/8 | 5/8 | - | |
 |
Harken 6064 | Cruising ESP | 2 15/16 | 7/8 | 3/8 | 3/4 | - | |
 |
HA4567 | Holt High Tension ball bearing | 16mm | 5mm | 3mm | - | - | |
| HA4786-6 | 38mm | 6mm | 8mm | - | - | |||
| HA4786-8 | 38mm | 8mm | 8mm | - | - | |||
| HA4986-6 | 25mm | 6mm | 8mm | - | - | |||
| HA4986-8 | 25mm | 8mm | 8mm | - | - | |||
 |
HA1086 | Holt Acetel ball bearing | 40mm | 14mm | 6mm | - | - | |
| HA1886 | 52mm | 15mm | 7.5mm | - | - | |||
| HA3086 | 38mm | 12mm | 5mm | - | - | |||
| HA4086 | 27mm | 10mm | 4.4mm | - | - | |||
| HA4886 | 20mm | 7mm | 3mm | - | - | |||
 |
HA..45 | Holt Plain bearing | 15mm | 6mm | 6mm | - | - | |
| HA..85 | 36mm | 6mm | 9mm | - | - | |||
| HA..86 | 29mm | 8mm | 9mm | - | - | |||
| HA.119 | 50mm | 8mm | 9mm | - | - | |||
| HA.150 | 38mm | 8mm | 9mm | - | - | |||
| HA.220 | 27mm | 6mm | 9mm | - | - | |||
 |
HA..46 | Holt Plain bearing brass/aluminum | 16mm | 6mm | 6mm | - | - | |
| HA..83 | 38mm | 8mm | 8mm | - | - | |||
| HA..84 | 28mm | 8mm | 9mm | - | - | |||
| HA.185 | 38mm | 6mm | 8mm | - | - | |||
| HA.315 | 38mm | 12mm | 8mm | - | - | |||
 |
HA.217 | Holt Large diameter plain bearing | 74mm | 13mm | 9mm | - | - | |
| HA.219 | 62mm | 13mm | 7.8mm | - | - | |||
 |
HA.215 | Holt Plain bearing | 38mm | 12mm | 9mm | - | - | |
| HA.216 | 50mm | 13mm | 9mm | - | - | |||
 |
HA.612 | Holt Plain bearing | 20mm | 7mm | 6mm | - | - | |
| HA.613 | 27mm | 10mm | 8mm | - | - | |||
| HA.614 | 38mm | 12mm | 8mm | - | - | |||
 |
HA..80A | Holt Plain bearing | 27mm | 18mm | 10mm | - | - | |
 |
R0900 | RWO Acetal | 17mm | 6mm | 6mm | 3/16 | - | |
| R0901 | 19mm | 9mm | 6mm | 1/4 | - | |||
| R0921 | 25mm | 10mm | 6mm | 5/16 | - | |||
| R0923 | 25mm | 12mm | 6mm | 3/8 | - | |||
| R0925 | 25mm | 13mm | 6mm* | 3/8 | - | *NOTE: We have measured this sheave to be closer to 9.8mm! | ||
| R0926 | 25mm | 9mm | 7mm | 5/16 | - | |||
| R0924 | 28mm | 10mm | 7mm | 5/16 | - | |||
| R0930 | 32mm | 8mm | 6mm | 5/32 | - | |||
| R0940 | 38mm | 14mm | 9mm | 3/8 | - | |||
| R0950 | 44mm | 12mm | 8mm | 3/8 | - | |||
| R0960 | 44mm | 15mm | 10mm | 7/16 | - | |||
 |
R0911 | RWO Aluminum | 28mm | 12mm | 10mm | - | 1/8 | |
 |
62-020-02 | Schaefer Delrin | 1-1/16" (27mm) | 7/16" (11mm) | 5/16" (8mm) |
5/16" (8mm) |
- | |
| 62-043-01 | 1-7/8" (48mm) | 13/16" (21mm) | 7/16" (11mm) | 5/8" (16mm) | - | |||
| 62-051-01 | 2" (51mm) | 5/8" (16mm) | 1/2" (13mm) | 1/2" (13mm) | - | |||
 |
RF127 | Ronstan Sheave, acetal, solid bearing |
2 3/16 |
19/32 |
7/16 |
1/2 |
- |
|
| RF128 |
1 3/32 |
19/32 |
5/16 |
1/2 |
- |
|||
| RF129 |
1 3/32 |
3/8 |
1/4 |
5/16 |
- |
|||
| RF130 |
2 3/16 |
9/16 |
3/8 |
1/4 |
- |
|||
| RF251 |
1 1/2 |
3/8 |
1/4 |
5/16 |
- |
|||
| RF437 |
2 3/8 |
3/4 |
7/16 |
5/8 |
- |
|||
| RF578 |
1 |
3/8 |
1/4 |
1/4 |
- |
|||
| RF1006 |
1 1/2 |
19/32 |
1/2 |
1/2 |
- |
|||
| RF1741 |
3/4 |
1/4 |
1/4 |
1/4 |
- |
|||
| RF1743 |
3/4 |
3/8 |
5/16 |
1/4 |
- |
|||
| RF1746 |
1 |
7/16 |
3/8 |
5/16 |
- |
|||
| RF1749 |
1 1/8 |
19/32 |
7/16 |
1/2 |
- |
|||
| RF1751 |
1 1/2 |
13/32 |
11/32 |
1/4 |
- |
|||
| RF1757 |
1 7/8 |
25/32 |
3/8 |
5/8 |
- |
|||