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This listing offers the original barn door v groove wheel kit which also includes a 1/2" Outer Diameter Spanner Bushing to 3/8" Inner Diameter as well as a 3/8" Axle and Lock nut to secure everything into place.
This Kit includes the full wheel setup for your barn door. This wheel is made from solid cast iron and is powder coated in black for a beautiful industrial vintage look. The v groove is the industry standard 7/8" groove width which fits all barn door iron tracks.
This Barn Door Wheel Kit is great if you are a DIY'er and are sourcing the barn door parts yourself and this is also a great replacement for your current barn door wheels. If you bought a barn door kit that included wheels, you may want to upgrade your wheels to these solid cast iron v grooves for the increased capacity, reliability, and assurance to give you peace of mind knowing you have the best wheels on the market.
Order processing
In stock. Orders placed before 12pm CT (Mon–Fri) typically ship the same or next business day from our Mansfield, TX warehouse.
Shipping method
Smaller orders ship parcel (UPS/FedEx Ground). Heavy or bulk quantities consolidate to LTL freight. The method and final cost are shown before payment, so there are no post-checkout adjustments.
Payment & procurement terms
New to CasterHQ? Open an account or request terms and send your resale or tax-exemption certificate before ordering so it is applied at checkout.
Volume pricing & quotes
Quantity discounts apply automatically — no codes needed. For large, recurring, or custom requirements, request a bulk quote and our team will confirm pricing, lead time, and total landed freight upfront.
Returns & warranty
Stock items carry a 30-day return policy in unused, resalable condition. Made-to-order and custom items are non-returnable once production starts. All products carry the manufacturer's warranty against defects.
Central & Southern U.S.: typically 1–2 business days
East & West Coasts: typically 2–3 business days
Remote areas and freight deliveries may take longer.
For pallet freight, scheduled releases, or blanket purchase orders, contact our team and we'll confirm total landed cost before you commit. Direct line: 844-439-4335.
This 3" x 1-1/4" Cast Iron V-Groove Wheel – 350 lb is rated to 350 lbs per wheel. Divide the total load across the number of wheels in your rig and keep working loads within about 75-80% of the rating for continuous use.
This is a Cast Iron wheel. Steel / iron wheels give maximum capacity and durability on smooth, hard industrial floors and tolerate heat.
3" diameter x 1-1/4" tread width. Verify your axle diameter and hub/bore length against your existing wheel before ordering.
Yes. Most wheels can be paired with a swivel or rigid rig to build a complete caster. Tell us your mount and load and we will spec the rig - request it on our bulk pricing page.
Rated for -45°F to 180°F. Operating outside the rated range can shorten wheel life and reduce capacity.
We accept purchase orders and offer Net 30 on approved accounts, ACH, and all major cards, plus tax-exempt ordering with a resale or exemption certificate. Volume discounts apply automatically; request a bulk quote for large or recurring orders. Stock items carry a 30-day return policy in unused condition (made-to-order items are non-returnable once production starts).
$37.00
| Dimensions & Mounting | |
| Wheel Diameter | 3" |
| Wheel Tread Width | 1-1/4" |
| Load & Performance | |
| Wheel Capacity | 350 lbs |
| Temp Range | -45°F to 180°F |
| Materials & Finish | |
| Wheel Material | Cast Iron |
| Frame Material | Powder Coated Steel |
3" Semi-Steel Swivel Caster – 350 lb | 1/2" x 1.5" Threaded Stem | CasterHQ
3" x 1-1/4" · 350 lbs
$23
3" Phenolic Swivel Caster 1/2" x 1-1/2" Threaded Stem – 350 lb | CasterHQ
3" x 1-1/4" · 350 lbs
$20
3" x 1-1/4" Phenolic Swivel Caster – 350 lb | 7/16" x 1-3/8" Grip Ring Stem
3" x 1-1/4" · 350 lbs
$23
View all 3" x 1-1/4" casters & wheels · 300-1,250 lb · medical, lab, toolbox →
Your selection is highlighted. Every option shares its wheel size and mount; a Direct fit tag means the same mounting plate — a drop-in replacement. Step up or down in load rating, all in-stock.
| Casters (in stock) | Load capacity | Wheel | Type | Overall height | Price | |
|---|---|---|---|---|---|---|
| 300 lbsLighter duty | 3" × 1-1/4"Polyurethane | Swivel with Total Lock Brake + brake | — | $34.00 | View → | |
| 300 lbsLighter duty | 3" × 1-1/4"Rubber | — | 11-1/2" | $49.00 | View → | |
| 350 lbs | 3" × 1-1/4"Cast Iron | — | — | $37.00 | Viewing | |
| 350 lbsSame capacity | 3" × 1-1/4"Cast Iron | Swivel | 4-3/16" | $23.00 | View → | |
| 350 lbsSame capacity | 3" × 1-1/4"Phenolic | Swivel | 4-3/16" | $20.00 | View → |
