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8" Inch Mold-on Rubber Wheel Casters

The rubber on Cast Iron Wheel Size 6" & 600 lbs Per Caster
Plate Size: 4" x 4-1/2"
3-1/4" X 2" Inch Rigid Caster - Phenolic Wheel - 700 Lbs Capacity


8" (Inch) Mold On Rubber Wheels is one of the oldest and well-known types of caster in the industry. These wheels have a Rubber tread vulcanized to a heavy-duty industrial cast iron/steel core. These wheels offer a very shock-absorbing semi-cushioned ride, rolls easily over small debris, rough floors, cracks, and joints. The rubber on Iron wheels are economically and affordably priced. Great floor protections and a very quiet rolling operation. These wheels work great in outdoor environments; however cast iron cores can rust; if this is an issue look at using aluminum or plastic core wheels although you will lose some of the shock-absorbing features if you do so. The treads on Mold on Rubber Wheels have a softer 80 Shore A Durometer and a Temperature range: -40° F to 180° F. These wheels come standard with a 3/4" Roller bearing with a 1/2" Spanner Bushing to fit your standard 1/2" axle/bolt.

• Rubber tread vulcanized to heavy-duty cast iron core.
• Offers shock absorbing semi-cushioned ride, rolls easily over small debris, rough floors, cracks, floor joints, etc.
• Provides good floor protection and quiet rolling operation.
• Economically priced cushion wheel.
• Works well in outdoor environments; however cast iron core can rust; if this is an issue look at using aluminum or plastic core wheels.
• Temperature range: -40° F to 180° F.

Questions? Please call us @ 844-439-4335 or Contact Us Here

For quick online service please email us: sales@casterhq.com and a Caster Expert will help you answer any questions.
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If ordered before 12-noon we ship all orders typically ship SAME DAY!
All orders received after 12-noon will ship the following business day

Caster Engineering Tools

These calculators apply to any caster application—even if you’re browsing a different category. Use them to estimate load rating per caster, select wheel material, and estimate push/pull force. Expand any tool for full analysis + a share-ready spec line.

CasterSpec Load Calculator
Fast estimate. Expand for safety factor + uneven floor + spec output.
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Load
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Base per caster
Worst-case per caster
Recommended rating
Spec output (auto-generated)
Tip: paste into RFQs / threads. Expand tool for advanced inputs.
WheelMatch Material Selector
Fast recommendation. Expand for noise, duty cycle, floor protection.
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Wheel
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Primary recommendation
Good alternate
When to avoid
Spec output (auto-generated)
Engineers share tools that output a clean “why” line.
PushForce Push/Pull Calculator
Estimate effort fast. Expand for operators, materials, bumps, startup mode.
Expand full push/pull
Push
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Estimated total force
Per operator
Pass / target
Spec output (auto-generated)
If effort is high: bigger wheels + better material + smoother path wins.
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