1B42SH V-Belt Sheave, 1 Groove, AB Section, 4.55 in OD, SH Bushing


Price:
$ 28.79

Description

1B42SH V-Belt Sheave, 1 Groove, AB Section, 4.55 in OD, SH Bushing

The 1B42SH is a 1-groove AB section classical section V-belt sheave with a 4.55 in outside diameter, fully machined from cast iron and statically balanced. It mounts with an industry-standard SH QD® style bushing, sold separately, sized to your shaft.

$50 minimum order on drive components. Mix and match any pulleys, bushings, sheaves, sprockets, and accessories in your cart to reach the $50 minimum. Questions? Call (888) 203-2358.

Specifications

Specification Value
Part Number 1B42SH
Belt Section AB
Grooves 1
Outside Diameter 4.55 in
Pitch Diameter (A / B belts) 3.8 in / 4.2 in
Face Width 0.875 in
Bushing SH series, QD® style (not included)
Material Cast Iron, fully machined, statically balanced
Weight 2.15 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 1B42SH interchanges with these equivalent part numbers, per published manufacturer interchange data:

Manufacturer Equivalent Part Number
Dodge® D1B42
Martin 1 B 42 SH
Gates® QD1A3.8/B4.2
TB Woods® 421B
Regal Rexnord (Browning®) 1B42SH
Carlisle 1-B-42-SH
Masterdrive 1B42SH
Maurey 1B4.2
Jason Industrial 1B42SH
Optibelt 1/B420SH

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 1B42SH replace the Dodge D1B42 sheave?

Yes. Published interchange data crosses the 1B42SH directly to the Dodge D1B42, as well as Martin 1 B 42 SH, Gates QD1A3.8/B4.2, TB Woods 421B. Verify groove count, diameter, and bore or bushing before ordering.

What bushing does the 1B42SH use?

A SH series QD style bushing, sold separately. SH is an industry-standard bushing size, so any manufacturer's standard SH bushing fits. Order the bushing bore that matches your shaft diameter.

Why does the 1B42SH list two pitch diameters?

Combination sheaves run more than one belt section, and each section rides at a different depth in the groove. The 1B42SH has a 3.8 in pitch diameter with A or 4L belts and 4.2 in with B or 5L belts.

Does the 1B42SH 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 1B42SH?

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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