Description
Representative image shown. Actual product appearance varies by size, bore, and configuration. Refer to the specifications table for exact dimensions of this part number.
68V2120M V-Belt Sheave, 6 Grooves, 8V Section, 21.2 in OD, M Bushing
The 68V2120M is a 6-groove 8V section narrow wedge V-belt sheave with a 21.2 in outside diameter, fully machined from cast iron and statically balanced. It mounts with an industry-standard M QD® style bushing, sold separately, sized to your shaft. It runs 8V narrow wedge V-belts.
Specifications
| Specification | Value |
|---|---|
| Part Number | 68V2120M |
| Belt Section | 8V |
| Grooves | 6 |
| Outside Diameter | 21.2 in |
| Pitch Diameter | 21 in |
| Face Width | 7.125 in |
| Bushing | M series, QD® style (not included) |
| Material | Cast Iron, fully machined, statically balanced |
| Weight | 193 lb |
| Country of Origin | China |
Applications
- Multi-belt narrow wedge drives on fans, blowers, and pumps
- HVAC air handlers and cooling tower drives
- Compressors and industrial process equipment
- Replacing worn sheaves on existing drives without changing belts or bushings
Cross Reference
The 68V2120M interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| Dodge® | D6-8V212 |
| Martin | 6 8V 2120 M |
| Gates® | QD6/8V21.20 |
| TB Woods® | 8V2126 |
| Regal Rexnord (Browning®) | 68V2120M |
| Carlisle | 6-8V-2120-M |
| Masterdrive | 6/8V2120M |
| Maurey | 68V21.2-M |
| Jason Industrial | 6/8V2120M |
| Optibelt | QD 8V2120/6 M |
Always verify dimensions and bore size before substituting part numbers across manufacturers.
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Frequently Asked Questions
What belts run on the 68V2120M?
8V narrow wedge V-belts. These sections are standardized, so any manufacturer's belts of the correct section and length will run in the grooves.
Does the 68V2120M replace the Dodge D6-8V212 sheave?
Yes. Published interchange data crosses the 68V2120M directly to the Dodge D6-8V212, as well as Martin 6 8V 2120 M, Gates QD6/8V21.20, TB Woods 8V2126. Verify groove count, diameter, and bore or bushing before ordering.
What bushing does the 68V2120M use?
A M series QD style bushing, sold separately. M is an industry-standard bushing size, so any manufacturer's standard M bushing fits. Order the bushing bore that matches your shaft diameter.
Does the 68V2120M ship from Houston?
Yes. Stock items ship same day from our Houston, Texas warehouse. Call (888) 203-2358 to confirm availability.
QD® is a registered trademark of TB Woods/Regal Rexnord. All third-party part numbers and trademarks referenced, including Dodge®, Gates®, Martin, TB Woods®, Browning®, and others shown in the cross reference table, are the property of their respective owners. References are for compatibility identification only and do not imply affiliation or endorsement.
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