[Most Popular] - 4" Hi-temp Wheel - Plate Mount - Good for 450Â° F.

Diameter: 4 inTread: 1-1/4 and 1-1/2 inPlate: 3-1/8 x 4-1/8 in (most)Capacity: 300 to 500 lb per caster

[most popular] plate mount casters in epoxy resin and nylon. Epoxy resin is the most common tread on these [most popular] plate mount casters, rated 300 lb per caster. Other treads: nylon 350 lb. Replacement wheels are listed too, rated 300 to 500 lb each. Sets of 4 [most popular] plate mount casters list 1,200 lb combined.

[most popular] plate mount casters by tread

Tread	Core	Wheel sizes	Rated per caster	Listed temperature	Where it fits
Epoxy resin		4 in	300 lb	475°F continuous; 550°F intermittent (up to 30 min)	oven racks
Nylon		4 in	350 lb	Up to 450°F	low rolling effort on smooth floors, handles wet areas

Ratings are for single casters of [most popular] plate mount casters, from product fields [S1].

Wheel sizes

Wheel	Treads	Rated
4 x 1-1/4 in	nylon	350 lb
4 x 1-1/2 in	epoxy resin and nylon	300 to 500 lb

Choosing [most popular] plate mount casters

Load: divide the loaded weight by three for a four-caster cart [S2]; at 500 lb each, [most popular] plate mount casters suit a loaded cart of about 1,500 lb.
Mount: most [most popular] plate mount casters use a 3-1/8 x 4-1/8 in top plate; 2-3/8 x 3-5/8 in plates are listed too; check the bolt spacing on your frame against the plate size.
Floor: on [most popular] plate mount casters, nylon suits smooth concrete and heavy loads, but is loud and hard on tile and wood.
Rig: swivel and rigid [most popular] plate mount casters are listed, with total lock brake options.
Heat: among [most popular] plate mount casters, the highest listed range is 475°F continuous; 550°F intermittent (up to 30 min) on epoxy resin; check the temperature field on each listing before oven or hot-room use.

Related to [most popular] plate mount casters: caster wheels.

[most popular] plate mount casters questions

How much weight can [most popular] plate mount casters carry?

Single [most popular] plate mount casters are rated 300 to 500 lb.

What top plate do [most popular] plate mount casters use?

Most [most popular] plate mount casters use 3-1/8 x 4-1/8 in. Other plates on [most popular] plate mount casters: 2-3/8 x 3-5/8 in.

What wheel material is most common on [most popular] plate mount casters?

Epoxy resin leads on [most popular] plate mount casters, rated 300 lb per caster. Among [most popular] plate mount casters, nylon is next at 350 lb.

Are replacement wheels sold for [most popular] plate mount casters?

Yes. Wheel-only listings for [most popular] plate mount casters are here, sized 4 in; check the axle diameter and hub length on the old wheel.

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

Sources

[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.

BHP: 1-3/4″ × 2-7/8″, slotted to 3″

BHP: 1-3/4″ × 2-15/16″ slotted to 2-3/8″ × 3-3/8″

BHP: 2-5/8” X 3-5/8” (Slotted to 3” x 3”)

BHP: 2-7/16" x 4-15/16" slotted to 3-3/8" x 5-1/4"

(3″ Wide Casters), Industry-Standard

BHP: 3-3/8" x 5-1/4" slotted to 4-1/8" x 6-1/8"

BHP: 4-1/8" x 6" slotted to 4-1/2" x 6-1/8"

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