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SK Type QD Bushing | Quick Disconnect Bushing | CTS
SK QD bushing - compact 3-bolt medium-duty bushing, bores from 1/2" to 2-1/8", 180 in-lb torque. Interchangeable with Dodge, Martin, and Browning SK hubs.
Detail Information
About SK Type QD Bushing
SK QD bushing is the medium-duty type you will meet most often on smaller plant drives - conveyor take-ups, fan and blower shafts, pump drives and light agricultural machinery. It is a compact three-bolt design that still delivers a firm grip: 180 in-lb wrench torque on 5/16-18 cap screws, above the smaller SDS/SH class at the same 1/2-inch minimum bore.
The SK type QD bushing's stock bores start at 1/2 inch (12 mm) and run up to about 2-1/8 inches; inch keyways are standard, metric bores and keyways on request.
Replacing an SK bushing and only know the hub letter or an old part number? Send it over - we will match taper, bolt circle, and cap screws before you commit.
For a quotation or other information on Quick Disconnect Bushing, please contact us and we will be happy to help you.
Quality Assurance:
ISO9001: 2015 and GB/T24001-2016 / ISO14001: 2015.
SK Bushing Technical Data
SK Type QD Bushing Dimensions
- A: 9/16
- B: 2.812
- D: 3-7/8
- E: 1-3/8
- F: 1-1/4
- G: 3/16
- L: 1-15/16
- Capscrews(Bolt circle): 3-5/16
- Stock Bore(Min): 1/2
- Capscrews(No): 3
- Capscrews(Thread): 5/16-18
- Capscrews(Length(in)): 2
- Wrench-Torque (in-lbs): 180
- Approx.Weight(lbs): 2.0
SK vs. SD vs. SH QD Bushing — Choose the Right Size
SK, SD, and SH QD Bushings share the same quick-disconnect design but differ in size, bore capacity, and load-handling capability. Choose the right series based on your shaft size and application requirements.
| Feature | SK QD Bushing | SD QD Bushing | SH QD Bushing |
| Fit Shaft Size | Small to medium | Medium to large | Large |
| Load Capacity | Moderate | Higher | High |
| Typical Application | Standard shaft and load requirements |
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