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Plate Size: 3-1/8" x 4-1/8" - (POPULAR)

3-1/8" × 4-1/8" Light Duty Plate Casters

This category covers light-duty swivel and rigid plate casters built on the 3-1/8" × 4-1/8" mounting pattern. These are commonly specified for carts, fixtures, and equipment requiring compact plate size with dependable rolling performance.

Typical configuration (varies by model)

Plate size
3-1/8" × 4-1/8"
Load capacity
Up to ~350 lbs per caster
Swivel section
Double ball bearing raceway
Finish
Zinc-plated for corrosion resistance
Dust protection
Integrated dust cover (model dependent)
Mounting styles
Swivel, rigid, brake options available

Common applications

  • Food service and bakery equipment
  • Utility, maintenance, and stocking carts
  • Laboratory and light medical equipment
  • Retail fixtures and office equipment
Engineering and purchasing notes
  • Verify hole spacing and bolt size before specifying
  • Confirm required swivel radius and overall height
  • Select wheel material based on floor type and cleaning method
  • Capacity ratings assume evenly distributed loads

Why specify this plate size

The 3-1/8" × 4-1/8" plate format is a long-standing industry standard for light-duty carts and fixtures. It balances compact mounting with reliable bearing support, making it a preferred choice for OEM builds and MRO replacements where space and consistency matter.

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