Track Linear Shaft Roller Bearing U V H Groove Steel Wheel Metal Pulley Sliding

Roll over image to zoom in Click on image to zoom

Track Linear Shaft Roller Bearing U V H Groove Steel Wheel Metal Pulley Sliding

HomeDIYer

No reviews

By HomeDIYer®

Size Specifications: U Type (OD 34mm Groove 10mm)

Materials: 304 Stainless Steel

Price:

$24.87 USD

Stock:

In stock (500 units), ready to be shipped

Quantity:

Share this product

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

DIY Expert Support

Get fitment advice & recommendations

Mon–Fri 8:30 AM – 8:00 PM

WhatsApp Email Us

24-Hour Fast Ship

Arrives in 3–14 Days

Worldwide Shipping

30-Day Returns

1 tree planted with every purchase

U / V / H Groove Steel Wheel Pulley — Reliable Sliding for Linear Rail Systems

When your linear motion project demands smooth, low-friction travel along a track or shaft, a mismatched or undersized pulley wheel becomes the weakest link. Whether you are building a CNC gantry, a sliding door mechanism, a camera slider, or a conveyor guide system, these U V H groove steel wheel pulleys give makers, fabricators, and workshop engineers a dependable rolling solution that fits the rail and stays there.

Each wheel is machined from stainless steel — available in 304 or 201 grade — with a precision-formed groove profile (U, V, or H type) that seats firmly on round shafts or angled rails. Outer diameters range from 34 mm (1.34 in) to 68 mm (2.68 in), with groove widths of 10 mm, 16 mm, 22 mm, or 25 mm to match common track profiles. An integrated rolling bearing at the bore ensures smooth rotation with minimal play.

Typical applications include DIY linear rail slides for 3D printers and laser cutters, sliding gate and barn-door hardware, overhead trolley systems, and light-duty conveyor guide wheels. The stainless steel construction resists rust in damp workshop environments, making these wheels a practical choice for both indoor automation builds and semi-exposed installations.

⚙️ Compatibility: Fits standard round shafts and angled linear rails. Match the groove type (U / V / H) and outer diameter to your track profile. Check variant options for exact OD and groove width before ordering.

✅ Key Features of These U V H Groove Steel Wheel Pulleys

🔩 Three Groove Profiles

U-type for round shafts, V-type for angled rails, and H-type for flat-flanged tracks — choose the profile that matches your linear guide system.

📐 Wide Size Range

OD options from 34 mm to 68 mm with groove widths of 10, 16, 22, or 25 mm cover the most common DIY and light-industrial track dimensions.

🛡️ Stainless Steel Construction

304 stainless steel offers strong corrosion resistance for damp or outdoor-adjacent environments; 201 stainless steel provides a cost-effective alternative for dry indoor use.

🔄 Integrated Rolling Bearing

Each wheel includes a built-in bearing at the bore for smooth, low-friction rotation and reduced wobble during linear travel.

🏗️ Versatile Application

Suitable for CNC gantries, sliding doors, camera sliders, overhead trolleys, conveyor guides, and other linear motion DIY builds.

🔧 Straightforward Installation

Standard bore sizing allows direct mounting on common shaft diameters. Select your size and groove type from the variant options above for a drop-in fit.

📐 Technical Specifications — U V H Groove Steel Wheel Pulley

Groove Type	U Type / V Type / H Type (see variant options)
Outer Diameter (OD)	34 mm / 48 mm / 58 mm / 68 mm (1.34" / 1.89" / 2.28" / 2.68")
Groove Width	10 mm / 16 mm / 22 mm / 25 mm (see variant options)
Material	304 Stainless Steel / 201 Stainless Steel (see variant options)
Bearing Type	Integrated rolling bearing
Bore Diameter	See variant options
Finish	Natural stainless steel
Weight	See variant options
Quantity per Order	1 piece

❓ Frequently Asked Questions

How do I choose between U, V, and H groove types?

The groove type must match your track or shaft profile. U-type wheels are designed for round shafts or round-bottom rails. V-type wheels seat on angled or V-shaped rails, which is common in linear guide systems. H-type wheels suit flat-flanged or I-beam style tracks. Measure your rail cross-section before selecting.

Which outer diameter should I choose?

Select the OD based on your track geometry and the clearance available in your build. Larger OD wheels (58–68 mm) distribute load over a wider contact area and are better for heavier sliding assemblies. Smaller OD wheels (34–48 mm) suit compact builds with tighter spatial constraints.

What is the difference between 304 and 201 stainless steel?

304 stainless steel contains higher nickel content, giving it superior corrosion resistance — a good choice for damp workshops, outdoor-adjacent installations, or anywhere moisture is a concern. 201 stainless steel is a lower-nickel grade that performs well in dry indoor environments and offers a more economical option when corrosion resistance is less critical.

Will these wheels fit my existing linear rail or shaft?

Compatibility depends on matching the groove type, OD, and groove width to your rail or shaft dimensions. Check the groove width of your track against the variant specifications (10 mm, 16 mm, 22 mm, or 25 mm). If you are unsure, contact us with your rail dimensions and we can help confirm the right variant.

How much load can these pulley wheels handle?

Load capacity varies by size and groove type. Larger OD variants with wider grooves generally support higher radial loads. For precise load ratings, refer to the bearing specification of the integrated bearing or contact us to confirm suitability for your application.

Can these wheels be used outdoors or in wet conditions?

The 304 stainless steel variants offer good resistance to rust and oxidation, making them suitable for semi-exposed or damp environments. For fully outdoor or high-humidity applications, ensure the mounting hardware is also corrosion-resistant. The 201 stainless steel variants are better suited to dry indoor use.

Do I need any special tools to install these wheels?

Installation typically requires standard workshop tools — a shaft or bolt of the correct diameter, appropriate fasteners, and a wrench. No special press-fit tools are needed for most DIY linear rail builds. Ensure the bore diameter matches your shaft before assembly.

🛒 Select your groove type, outer diameter, and material above, then add to cart.