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About Casters and Wheels
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Static-Control Plate Casters

Swivel

Rigid
The wheels dissipate static to protect sensitive electronic equipment from electrostatic discharge. Wheels are rubber for shock absorption.
Tread-on-core wheels have a core that is harder than the tread, balancing strength with cushioning.
Ball bearings are the easiest to roll. Sealed bearings are completely sealed for the best protection against dust and debris.
Swivel casters have double-ball bearings for the smoothest swiveling.
For technical drawings and 3-D models, click on a part number.
Mounting Plate Style 2

Wheel | Swivel | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Dia. | Wd. | Mount Ht. | Cap. per Caster, lbs. | Electrical Properties | Surface Resistivity, ohms/sq. | Wheel Bearing Type | Wheel Bearing Seal Type | Specifications Met | Each | |
Nonmarking Gray Tread-on-Core Wheels—Soft | ||||||||||
4" | 1 1/4" | 5 1/8" | 250 | Conductive | 2.5 × 105 | Ball | Sealed | Fed. Spec. FF-C-88C | 0000000 | 000000 |
5" | 1 1/4" | 6 3/16" | 250 | Conductive | 2.5 × 105 | Ball | Sealed | Fed. Spec. FF-C-88C | 0000000 | 00000 |
Mounting Plate Style 3

Wheel | Rigid | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Dia. | Wd. | Mount Ht. | Cap. per Caster, lbs. | Electrical Properties | Surface Resistivity, ohms/sq. | Wheel Bearing Type | Wheel Bearing Seal Type | Specifications Met | Each | |
Nonmarking Gray Tread-on-Core Wheels—Soft | ||||||||||
4" | 1 1/4" | 5 1/8" | 250 | Conductive | 2.5 × 105 | Ball | Sealed | Fed. Spec. FF-C-88C | 0000000 | 000000 |
5" | 1 1/4" | 6 3/16" | 250 | Conductive | 2.5 × 105 | Ball | Sealed | Fed. Spec. FF-C-88C | 0000000 | 00000 |