4B80SK V-Belt Sheave, 4 Grooves, AB Section, 8.35 in OD, SK Bushing


Price:
$ 117.03

Description

4B80SK V-Belt Sheave, 4 Grooves, AB Section, 8.35 in OD, SK Bushing

The 4B80SK is a 4-groove AB section classical section V-belt sheave with a 8.35 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 4B80SK
Belt Section AB
Grooves 4
Outside Diameter 8.35 in
Pitch Diameter (A / B belts) 7.6 in / 8 in
Face Width 3.25 in
Bushing SK series, QD® style (not included)
Material Cast Iron, fully machined, statically balanced
Weight 15.5 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 4B80SK interchanges with these equivalent part numbers, per published manufacturer interchange data:

Manufacturer Equivalent Part Number
Dodge® D4B80
Martin 4 B 80 SK
Gates® QD4A7.8/B8.0
TB Woods® 804B
Regal Rexnord (Browning®) 4B80SK
Carlisle 4-B-80-SK
Masterdrive 4B80SK
Maurey 4B8.0
Jason Industrial 4B80SK
Optibelt 4/B800SK

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 4B80SK replace the Dodge D4B80 sheave?

Yes. Published interchange data crosses the 4B80SK directly to the Dodge D4B80, as well as Martin 4 B 80 SK, Gates QD4A7.8/B8.0, TB Woods 804B. Verify groove count, diameter, and bore or bushing before ordering.

What bushing does the 4B80SK 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 4B80SK list two pitch diameters?

Combination sheaves run more than one belt section, and each section rides at a different depth in the groove. The 4B80SK has a 7.6 in pitch diameter with A or 4L belts and 8 in with B or 5L belts.

Does the 4B80SK ship from Houston?

Yes. Stock items ship same day from our Houston, Texas warehouse. Call (888) 203-2358 to confirm availability.

Need a quote on 4B80SK?

Houston warehouse, same-day shipping on stock items.

Call (888) 203-2358

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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