Description
1B184SK V-Belt Sheave, 1 Groove, AB Section, 18.75 in OD, SK Bushing
The 1B184SK is a 1-groove AB section classical section V-belt sheave with a 18.75 in outside diameter, fully machined from cast iron and statically balanced. It mounts with an industry-standard SK QD® style bushing, sold separately, sized to your shaft.
Specifications
| Specification | Value |
|---|---|
| Part Number | 1B184SK |
| Belt Section | AB |
| Grooves | 1 |
| Outside Diameter | 18.75 in |
| Pitch Diameter (A / B belts) | 18 in / 18.4 in |
| Face Width | 0.875 in |
| Bushing | SK series, QD® style (not included) |
| Material | Cast Iron, fully machined, statically balanced |
| Weight | 18 lb |
| Country of Origin | China |
Applications
- Classical section V-belt drives on fans, pumps, and compressors
- HVAC and refrigeration equipment
- General industrial machinery with A, B, or C section belts
- Replacing worn sheaves on existing drives
Cross Reference
The 1B184SK interchanges with these equivalent part numbers, per published manufacturer interchange data:
| Manufacturer | Equivalent Part Number |
|---|---|
| Dodge® | D1B184 |
| Martin | 1 B 184 SK |
| Gates® | QD1A18.0/B18.4 |
| TB Woods® | 1841B |
| Regal Rexnord (Browning®) | 1B184SK |
| Carlisle | 1-B-184-SK |
| Masterdrive | 1B184SK |
| Maurey | 1B18.4 |
| Jason Industrial | 1B184SK |
| Optibelt | 1/B1840SK |
Always verify dimensions and bore size before substituting part numbers across manufacturers.
Buying in bulk? Save on volume.
Multi-unit and OEM quantities qualify for volume discounts. Call or email for a quantity quote.
Frequently Asked Questions
Does the 1B184SK replace the Dodge D1B184 sheave?
Yes. Published interchange data crosses the 1B184SK directly to the Dodge D1B184, as well as Martin 1 B 184 SK, Gates QD1A18.0/B18.4, TB Woods 1841B. Verify groove count, diameter, and bore or bushing before ordering.
What bushing does the 1B184SK use?
A SK series QD style bushing, sold separately. SK is an industry-standard bushing size, so any manufacturer's standard SK bushing fits. Order the bushing bore that matches your shaft diameter.
Why does the 1B184SK list two pitch diameters?
Combination sheaves run more than one belt section, and each section rides at a different depth in the groove. The 1B184SK has a 18 in pitch diameter with A or 4L belts and 18.4 in with B or 5L belts.
Does the 1B184SK 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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