Ex55mm QD® Style Bushing, 55mm Bore, Steel


Price:
$ 78.29

Description

Ex55mm QD® Style Bushing, 55mm Bore, Steel

The Ex55mm is a E series QD style bushing with a 55mm bore, machined from solid steel with a black oxide finish. It mounts any E-bushed component, including sheaves, sprockets, and timing pulleys, to a 55mm shaft. Every bushing is machined from solid stock, never sintered or powdered metal, which matters in a part that transmits its load through a friction fit.

Specifications

Specification Value
Part Number Ex55mm
Bushing System QD® style
Series E
Bore 55mm
Torque Capacity 20000 in-lb
Material Steel (no sintered or powdered metal)
Finish Black Oxide
Weight 10.3 lb
Country of Origin China
Cap Screws 3 - (1/2-13 x 2-3/4)
Bolt Circle 5

Applications

  • Mounting E-bushed V-belt sheaves, sprockets, and timing pulleys to 55mm shafts
  • Drive component replacement where the bushing wears or the shaft size changes
  • Conveyor, fan, pump, and general industrial drive assemblies
  • Stocking standard bushing sizes for plant maintenance inventories

Cross Reference

The Ex55mm interchanges with these equivalent part numbers, per published manufacturer interchange data:

Manufacturer Equivalent Part Number
Dodge® E X 55MM
Martin E 55MM
Gates® E 55MM
TB Woods® E55MM
Regal Rexnord (Browning®) E 55 mm
Masterdrive E55MM
Optibelt E55
Maska EX55MM

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

What does the Ex55mm bushing fit?

It fits any sheave, sprocket, pulley, or coupling machined for a E series QD style bushing, and mounts that component to a 55mm shaft. The E size is standardized across manufacturers, so the component brand does not matter.

Does the Ex55mm replace the Dodge E X 55MM bushing?

Yes. The E series dimensions are an industry standard, and published interchange data crosses the Ex55mm directly to the Dodge E X 55MM, as well as Martin E 55MM, Gates E 55MM, TB Woods E55MM. Verify bore size before ordering.

How does a QD style bushing install?

QD style bushings are flanged and split through the flange and barrel. Slide the bushing onto the shaft, seat the component on the taper, and tighten the cap screws through the flange into the component. Torquing the screws compresses the split barrel onto the shaft. Reverse the screws into the jacking holes to remove.

Does the Ex55mm 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 Ex55mm?

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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