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4'' Stem Rigid Caster
- 4 inches (100 mm) diameter wheel
- 250 pounds (113 kg) loading capacity
- 2.5Mph maximum speed
4 inches rigid stem caster with a loading capacity of 250 pounds (113 kg) and a maximum speed of 2.5Mph. The stem-mount is made with a rubber bushing that expands into a 28 mm steel pipe to keep the wheel in place. You will need to secure the wheel by placing it on a connector with WF-U5/16 U-Bolt (included with the caster).
Bolt M12 (12 mm) Length 2 1/4" (57.15 mm)
See the Installation Steps tab for more information on how to install W-4EF casters.
Use the F-BUS component when this caster is used with the EP-96-ST pipe.
4 inches casters are made for:
- Longer trips (100 feet maximum)
- Higher frequency trips (100 to 150 times a day)
- Carts weighting more than 400 pounds
- Larger carts (greater than 24 in. wide and 48 in. long)
W-4EF has an electric conductivity version (ESD): EW-4EF
For carts that will go outside, roll on ramps or damaged floors, it's preferable to use 6 inches casters.
All casters are equipped with a precision ball bearing.
| Box Quantity | 30 |
|---|---|
| Height | 5 1/8 in (130 mm) |
| Width | 1 1/8 in (29 mm) |
| Weight (kg/lbs) | 1.5 lb (0.68 kg) |
| Box Dimensions | Cardboard box of 11 X 9 X 5 in (279 mm X 229 mm X 127 mm) |
| Primary Material | Thermoplastic Rubber (TPR) |
| Temperature Resistance | -22°F to 158°F (-30°C to 70°C) |
| Electric Conductivity (ESD) | No |
| Loading Capacity | 250 lb (113 Kg) |
- Ensure you have the following parts:
- 1x W-4EF
- 1x WF-U5/16 U-bolt - included with the caster.
- 2x WF-U5/16 nuts - included with the caster.
- 1x WF-U5/16 metal plate - included with the caster.
- 1x 28mm pipe of your choice
- 1x Ratchet Wrench 3/4 in.
- 1x Ratchet Wrench 5/16 in.
- Ensure that the structure is levelled when supported by the pipes that will be wheeled. Otherwise, the height difference might cause the structure to sway.
- Flip the structure for a better access to the bottom pipes.
- Unscrew the 3/4 in. bolt underneath the plate of the caster using the wrench.
- Tighten the nut located on the top of the stem for the rubber bushing to expend until it barely fits inside the pipe.
- Insert the wheel rod completely inside the pipe. Help yourself with a mallet if needed.
- Tighten the same 3/4 in. bolt using the wrench 3/4 and let the wheel rotate until it grips firmly inside the pipe.
- Place the WF-U5/16 metal plate between the pipe and the caster and aligned it with the corresponding openings.
- Insert the WF-U5/16 U-bolt in the openings in order to trap the tube inside the U-bolt.
- Tighten the WF-U5/16 nuts with the U-bolt using the wrench 5/16.
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