Ex70mm QD® Style Bushing, 70mm Bore, Steel


Price:
$ 78.29

Description

Ex70mm QD® Style Bushing, 70mm Bore, Steel

The Ex70mm is a E series QD style bushing with a 70mm bore, machined from solid steel with a black oxide finish. It mounts any E-bushed component, including sheaves, sprockets, and timing pulleys, to a 70mm 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 Ex70mm
Bushing System QD® style
Series E
Bore 70mm
Torque Capacity 20000 in-lb
Material Steel (no sintered or powdered metal)
Finish Black Oxide
Weight 8.514 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 70mm 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 Ex70mm interchanges with these equivalent part numbers, per published manufacturer interchange data:

Manufacturer Equivalent Part Number
Dodge® E X 70MM
Martin E 70MM
Gates® E 70MM
TB Woods® E70MM
Regal Rexnord (Browning®) E 70 mm
Masterdrive E70MM
Optibelt E70
Grainger 813C44
Maska EX70MM

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 Ex70mm bushing fit?

It fits any sheave, sprocket, pulley, or coupling machined for a E series QD style bushing, and mounts that component to a 70mm shaft. The E size is standardized across manufacturers, so the component brand does not matter.

Does the Ex70mm replace the Dodge E X 70MM bushing?

Yes. The E series dimensions are an industry standard, and published interchange data crosses the Ex70mm directly to the Dodge E X 70MM, as well as Martin E 70MM, Gates E 70MM, TB Woods E70MM. 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 Ex70mm 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 Ex70mm?

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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