How do I confirm fitment for a 4 inch bakery rack caster replacement?

Confirm your existing caster’s top plate size and bolt-hole spacing. Heatwave 4 inch models use a 4 1/8 inch × 3 1/8 inch plate—verify compatibility before ordering.

Plate dimensions shown are overall mounting plate size.
When replacing existing casters, select the closest plate size and verify bolt-hole compatibility.
BHP = Bolt Hole Pattern, shown under each plate.

High Temperature Oven & Bakery Casters

High Temperature Bakery & Oven Rack Casters

Quick Specs — High Temp Oven & Bakery Casters

Wheel Sizes	3″ – 5″ diameter
Temperature Rating	Up to 500°F continuous
Load Capacity	Up to 1,200 lbs per caster
Wheel Materials	Phenolic, high-temp nylon, glass-filled nylon
Plate Size	3-1/8″ x 4-1/8″ (standard bakery rack)
Availability	In stock — ships same day

OVEN RACK • BAKERY RACK • PAN DOLLY • PROOFER CART

High temperature casters engineered for bakery racks, oven racks, pan dollies, and proofing carts operating in elevated heat. These are specified when standard wheels fail from thermal softening, flat-spotting, or bearing seizure during repeated bake cycles.

Heatwave™ 500°F casters (Made in USA): glass-filled polymer wheels with wave-designed webbing intended to improve heat dissipation for high-temperature cycling (model dependent).

See 500°F Heatwave Jump to Products Get selection help

Featured: 4" Heatwave™ 500°F Bakery Rack Casters

HS40P2HWO — 4" Heatwave 500°F Swivel Caster (Zinc-Plated) Made in USA · glass-filled polymer · wave webbing · swivel only (no brake) SSHS40P2HPB — 4" Heatwave 500°F Swivel Caster (Stainless Steel) Made in USA · stainless rig for wash-down/corrosion environments · see product page for brake availability

Fitment check: Confirm your rack uses a 4 1/8" × 3 1/8" top plate and matching bolt-hole spacing before ordering.

Which one should you buy?

Zinc-plated (HS40P2HWO): general bakery/oven rack use where corrosion is not the primary issue.
Stainless (SSHS40P2HPB): wash-down, humidity, or corrosive cleaning environments.

Most Popular Replacement Style

4" High-Temp Wheel — Plate Mount Common oven rack setup · up to 450°F (model dependent)

Typical High-Temperature Performance Range

Temperature capability: up to 450°F standard options; up to 500°F Heatwave series (model dependent)
Wheel materials: high-temp phenolic · solid polyurethane · steel · glass-filled polymer (Heatwave)
Bearing options: bronze bushings or heat-tolerant bearing systems (varies by product)
Mounting: plate mount (most common for bakery/oven racks)

Selection Guidance

What fails first in bakery & oven rack caster systems

Common failure modes include wheel softening or deformation, flat-spotting during cooling, and bearing seizure when lubricants break down. High-temperature casters are designed to preserve rolling performance through repeated bake cycles.

When to choose Heatwave 500°F

Choose Heatwave when you need higher thermal headroom, frequent oven cycling, or improved heat dissipation characteristics. For wash-down or corrosion exposure, choose stainless.

When you need a brake

If racks must hold position during loading/unloading, choose a configuration with a brake. If you don’t see a brake on the product page, contact us and we’ll match a compatible brake option.

Get selection help

From Our Engineers: High-Temp Caster Tips

Grease failure is the #1 issue: Standard bearing grease breaks down above 250°F. We use high-temp synthetic grease rated to 500°F on all our oven rack casters — re-greasing every 6 months extends caster life by 2–3x in commercial bakery environments.
Phenolic vs. glass-filled nylon: Phenolic wheels handle temps up to 300°F and are the most cost-effective. For rack ovens running 400–500°F, glass-filled nylon (like our Heatwave™ line) is the only wheel material we recommend.
Floor protection: High-temp phenolic wheels can mark epoxy-coated bakery floors. If floor marking is a concern, we recommend our high-temp nylon options which are non-marking.
Replacement sizing: 90% of commercial bakery racks use the 3-1/8″ x 4-1/8″ plate pattern. Measure your existing plate bolt-hole spacing before ordering — our team can cross-reference any OEM rack brand.

Based on CasterHQ field data from 5,000+ bakery and food service caster installations.

FAQ

What temperature are bakery and oven rack casters rated for?

Many standard high-temperature options are rated up to 450°F. Heatwave series casters are rated up to 500°F (model dependent).

How do I confirm fitment for a 4" bakery rack caster replacement?

Confirm your existing caster’s top plate size and bolt-hole spacing. Heatwave 4" models use a 4 1/8" × 3 1/8" plate—verify compatibility before ordering.

What is the Heatwave wheel made of?

Heatwave uses a glass-filled polymer wheel with wave-designed webbing intended to improve heat dissipation for high-temperature cycling.

Related Collections:

→ Stainless Steel Casters — corrosion-resistant for washdown environments
→ Industrial Casters — full heavy-duty catalog
→ Specialty Casters — application-specific solutions
→ Phenolic Wheels — heat-resistant wheel-only options

Z20P2431NGD 4" x 1.5" Epoxy Resin Oven Rack Caster – 3-1/8" x 4-1/8" | CasterHQ from $30.00 USD

Diameter 4"

Capacity 300 lbs

Wheel Nylon

Mount Plate

More Details Less Details

Width 1-1/2"

Temp Range Up to 475°F

Frame Zinc Plated Steel

Spec-first industrial selection for fit, capacity, and mounting.

Colson HS40P2HWO 4" x 1.5" Heatwave Swivel Caster – 300 lb | CasterHQ from $24.00 USD

Capacity 300 lbs

Mount Plate

More Details Less Details

Height 5.125"

Temp Range Up to 500°F

Rig Type Swivel

Brake No Brake

Frame Zinc Plated Steel

Spec-first industrial selection for fit, capacity, and mounting.

Colson SSHS40P2HPB 4" x 1.5" Heatwave Swivel Stainless Caster – 300 lb | CasterHQ $39.99 USD

Capacity 300 lbs

Mount Plate

More Details Less Details

Height 5.125"

Temp Range Up to 500°F

Rig Type Swivel

Brake No Brake

Frame Zinc Plated Steel

Spec-first industrial selection for fit, capacity, and mounting.

4" x 1.5" High Temp Rigid Caster – 300 lb | 3-1/8" x 4-1/8" Plate | CasterHQ $20.00 USD

Capacity 300 lbs

Mount Plate

More Details Less Details

Temp Range -20°F to 475°F

Rig Type Rigid

Brake No Brake

Frame Zinc Plated Steel

Spec-first industrial selection for fit, capacity, and mounting.

4" High-Temp Glass-Filled Nylon Plate Mount Caster – 350 lb | CasterHQ $32.00 USD

Diameter 4"

Capacity 350 lbs

Wheel Nylon

Mount Plate

Plate Size 3-1/8" x 4-1/8"

More Details Less Details

Width 1-1/2"

Height 5"

Bolt Pattern 1-3/4" x 2-15/16" slotted to 2-3/8" x 3-3/8"

Temp Range Up to 450°F

Frame Zinc Plated Steel

Spec-first industrial selection for fit, capacity, and mounting.

4" Swivel Thermo Caster 4-Pack – 1900 lb | 3-1/8" x 4-1/8" Plate | CasterHQ $111.00 USD

Mount Plate

More Details Less Details

Temp Range -20°F to 550°F

Rig Type Swivel

Brake No Brake

Frame Zinc Plated Steel

Spec-first industrial selection for fit, capacity, and mounting.

4" x 1.5" High-Temp Swivel Caster – 300 lb | 4" x 4-1/2" Plate | CasterHQ $41.00 USD

Diameter 4"

Capacity 300 lbs

Mount Plate

More Details Less Details

Width 1-1/2"

Height 5-1/8"

Temp Range -20°F to 475°F

Frame Zinc Plated Steel

Spec-first industrial selection for fit, capacity, and mounting.

4" x 1-1/2" Epoxy High Temp Industrial Replacement Wheel – 500 lb | CasterHQ $27.00 USD

Diameter 4"

Capacity 500 lbs

More Details Less Details

Width 1-1/2"

Rig Type Swivel

Brake No Brake

Frame Zinc Plated Steel

Spec-first industrial selection for fit, capacity, and mounting.

4" x 1.5" Epoxy Resin Industrial Replacement Wheel – 5/16" Quad X | CasterHQ $25.00 USD

Diameter 4"

Capacity 300 lbs

More Details Less Details

Width 1-1/2"

Temp Range -20°F to 475°F

Frame Zinc Plated Steel

Spec-first industrial selection for fit, capacity, and mounting.

4" x 1-1/2" Green Epoxy Industrial Replacement Wheel – 500 lb | CasterHQ $30.00 USD

Diameter 4"

Capacity 300 lbs

More Details Less Details

Width 1-1/2"

Rig Type Swivel

Brake No Brake

Frame Zinc Plated Steel

Spec-first industrial selection for fit, capacity, and mounting.

4" Swivel Oven Rack Caster Yoke 3-1/8" x 4-1/8" Plate 5/16" Bore | CasterHQ $10.00 USD

Capacity 500 lbs

Mount Plate

More Details Less Details

Temp Range -20°F to 550°F

Frame Zinc Plated Steel

Spec-first industrial selection for fit, capacity, and mounting.

3-1/8" x 4-1/8" Plate Swivel Oven Rack Caster Yoke for 4" Wheel | CasterHQ $10.00 USD

Capacity 500 lbs

Mount Plate

More Details Less Details

Temp Range -20°F to 550°F

Frame Zinc Plated Steel

Spec-first industrial selection for fit, capacity, and mounting.

5" Hi-Temp Glass-Filled Nylon Stem Caster – 3/4" x 2" Stem | CasterHQ $36.00 USD

Diameter 5"

Capacity 350 lbs

Wheel Nylon

Mount Plate

More Details Less Details

Width 1-1/4"

Height 6"

Temp Range Up to 550°F

Frame Zinc Plated Steel

Spec-first industrial selection for fit, capacity, and mounting.

3" x 1-3/4" Pan Dolly Caster – 500 lb | 3-1/8" x 4-1/8" Top Plate | CasterHQ $20.00 USD

Diameter 3"

Mount Plate

More Details Less Details

Width 1-3/4"

Frame Zinc Plated Steel

Spec-first industrial selection for fit, capacity, and mounting.

Designed for engineers, manufacturers, and material handling professionals

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"

View All • 21 Plate Sizes

Plate Casters

Stem Casters

Stainless Casters

Ergonomic Casters

Leveling Casters

High Temperature Oven & Bakery Casters

High Temperature Bakery & Oven Rack Casters

Featured: 4" Heatwave™ 500°F Bakery Rack Casters

Most Popular Replacement Style

Typical High-Temperature Performance Range

Selection Guidance

From Our Engineers: High-Temp Caster Tips

FAQ

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Available Configurations

OVEN RACK CASTERS | 3" thru 5" Wheels - Plate Size 3-1/8" x 4-1/8"

Industrial and Commercial Engineered Casters

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