Standard and In-Stock Sheave Sizes Available in CT for Immediate Shipping
RAND's standard sheaves are machined from extremely wear-resistant Ultra-High Molecular Weight (UHMW) polyethylene, offering reduced friction and longer life versus other materials. RAND Sheaves are ideally suited for clean wire, fiber optic and all insulated wire products.

Call us today at 203-272-1352, fax your sheave requirements to 203-271-2650, or fill out our online form for a prompt, competitive quotation. Quantity discounts are available! Custom sheaves are also available on request! The superior properties of UHMW include:
The superior properties of UHMW
- Excellent Abrasion Resistance
- Good Chemical Resistance
- -259 to 200 F Thermal Resistance
- Self-Lubricating
- Superior Dielectric Properties
- Good Impact Resistance
Single Sheaves


Nested Sheaves


Standard Sheaves
| RANDPart number | ARoot diameter | BOutside diameter | CBearing bore | DGroove width | EOverall width |
|---|---|---|---|---|---|
| R50-NUR50-SU | 5" | 6" | .472" or .669"(12mm or 17mm) | .312" | .625" |
| R60-NUR60-SU | 6" | 7" | .472" or .669"(12mm or 17mm) | .437" | .750" |
| R80-NUR80-SU | 8" | 9" | .984" or 1.181"(25mm or 30mm) | .625" | 1.000" |
| R100-NUR100-SU | 10" | 12" | .984" or 1.181"(25mm or 30mm) | .750" | 1.125" |
| R120-NUR120-SU | 12" | 14" | 1.181"(30mm) | .875" | 1.250" |
| R140-NUR140-SU | 14" | 15.75" | 1.181"(30mm) | .937" | 1.375" |
| R160-NFR160-NUR160-SU | 16" | 18" | 1.575"(40mm) | 1.125" | 1.500" |
| R200-NFR200-NUR200-SU | 20" | 22" | 1.575"(40mm) | 1.437" | 2.000" |
In-Stock Lightweight Sheaves
| RANDPart number | ARoot diameter | BOutside diameter | CBearing bore | DGroove width | EOverall width | Weight |
|---|---|---|---|---|---|---|
| R5.3N | 5.375" | 6.562" | .750"(19mm) | .187" | .805" | 7.7 oz. |
| R5.3N3 | 5.375" | 6.562" | 1.181"(30mm) | .187" | .805" | 8.7 oz. |
Notes
- "N" denotes nested sheave, ideal for dancers and accumulators
- "S" denotes single sheave
- "U" denotes U-groove
- "F" denotes flat groove
- Spacers provided as standard on nested sheaves
- Bushings available to fit customer applications
- V-grooves ("V") available on request
