3" x 1.25" Phenolic Casters

Diameter: 3 inTread: 1-1/4 inPlate: 2-3/8 x 3-5/8 inCapacity: 200 to 300 lb per caster

This page lists 3 in phenolic casters. Phenolic is the most common tread here, rated 200 to 300 lb per caster. Sets of 4 list 1,200 lb combined.

3 in phenolic casters by tread

Tread	Core	Wheel sizes	Rated per caster	Listed temperature	Where it fits
Phenolic		3 in	200 to 300 lb	-50°F to 250°F	hard and easy rolling on smooth, dry floors

Ratings are for single casters of 3 in phenolic casters, from product fields [S1].

Load: plan on three casters carrying a four-caster cart [S2]; 3 in phenolic casters rated 300 lb each then carry about 900 lb.
Mount: most 3 in phenolic casters use a 2-3/8 x 3-5/8 in top plate; check the bolt spacing on your frame against the plate size.
Floor: on 3 in phenolic casters, phenolic suits smooth concrete and heavy loads, but is loud and hard on tile and wood.
Rig: swivel and rigid 3 in phenolic casters are listed, with side lock brake and top lock brake options.

Related to 3 in phenolic casters: phenolic wheels.

How much weight can 3 in phenolic casters carry?

Single 3 in phenolic casters are rated 200 to 300 lb.

What top plate do 3 in phenolic casters use?

Most 3 in phenolic casters use 2-3/8 x 3-5/8 in.

What wheel material is most common on 3 in phenolic casters?

Phenolic leads on 3 in phenolic casters, rated 200 to 300 lb per caster.

Jordan Wilson, CasterHQ · reviewed October 20, 2026 · 844-439-4335 · info@casterhq.com

[S1] CasterHQ product fields (rated load, diameter, width, wheel and core material, temperature range, mount) and product descriptions for the items on this page, pulled October 20, 2026.
[S2] Preferred Equipment casters and wheels quick guide PDF (prefeq.com): load sizing on one less caster, wheel types and floor notes.