Heavy-duty, keyless mechanical shaft-to-hub locking device manufactured by Fenner Drives. It uses a zero-backlash wedge system that contracts onto a shaft and expands into a component bore, replacing traditional keys and splines.
Official Manufacturer Part Number (MPN)
- Dodge / Fenner Drives SKU: B122308
- EAN Barcode: 0662345042611
Key Technical Specifications
- Bore / Inside Diameter (d): 3.500 inches (3-1/2")
- Outside Diameter (D): 5.118 inches (130 mm)
- Total Length (L): 3.150 inches (80 mm)
- Locking Screws: 12 total socket head cap screws
- Screw Size: M10 x 60
- Material: Sintered / High-Tensile Steel
- Weight: 8.0 lbs (approx. 3.53 kg)
- Design Style: Self-Centering, Double-Taper, Internal Locking Type. Because it has no external flange, the entire device can be mounted completely flush or recessed into a hub.