Type-73 Sliding Door & Window Pulley | Bearing Brass Wheel | Stainless Steel Housing | 4 Variants

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Sale price$3.60 USD
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Only 30 units left

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Description

Type-73 Sliding Door & Window Pulley — Bearing Brass Wheel, Stainless Steel Housing

A worn or undersized pulley is the most common cause of stiff, noisy, or jamming sliding doors and windows. This Type-73 bearing brass wheel pulley is built for homeowners, contractors, and DIYers who need a heavy-duty, corrosion-resistant replacement roller that restores smooth, quiet operation to aluminum alloy sliding door and window systems — and holds up to long-term frequent use.

All four variants use a stainless steel housing with brass or copper-core nylon wheel construction, available in single or double wheel configurations with or without bearings. Weights range from 71 g to 165 g per unit, reflecting the heavier-duty build compared to standard plastic-wheel pulleys. Prices range from $3.60 to $8.33 per unit.

Suited for residential balcony sliding doors, bedroom wardrobe sliding doors, kitchen partition sliding windows, office partition door maintenance, and custom DIY mobile shelving or tool cabinet builds.

Compatible with Type-73 aluminum alloy sliding door and window tracks — stainless steel housing with brass/copper-core wheel; verify your track profile, housing width, and mounting hole spacing before ordering

✅ Key Features of This Type-73 Brass Wheel Pulley

  • 🔄Precision Bearing Construction (3 of 4 variants): Built-in bearings reduce rolling friction significantly — doors and windows glide open and closed with minimal force, suitable for heavy panels and high-frequency daily use by all household members.
  • 🧲Brass & Copper-Core Wheel Materials: Brass and copper-core nylon wheels offer superior wear resistance and load capacity compared to standard POM or plain nylon wheels — the natural golden luster of brass also adds a premium finish visible at the wheel face.
  • 🛡️Stainless Steel Housing: All variants use a stainless steel housing that resists rust, corrosion, and deformation under indoor humidity, kitchen steam, and outdoor-adjacent balcony conditions — reducing maintenance and replacement frequency.
  • 🔇Mute Noise Reduction: The bearing structure and brass wheel material absorb vibration during sliding movement, significantly reducing operational noise — suitable for bedrooms, study rooms, and conference rooms where quiet operation is required.
  • ⚖️4 Variants for Different Load Requirements: Copper-core nylon single (no bearing, lightest), bearing single brass, bearing enlarged single brass, and bearing double brass — select based on panel weight and track configuration.
  • 🎨Premium Aesthetic: The natural golden tone of the brass wheel complements aluminum frame finishes and a range of interior styles — a visible quality upgrade over standard plastic-wheel pulleys.

🎯 Who Is This For?

🏠Residential Balcony Sliding Doors

Replace worn pulleys on balcony sliding doors to restore smooth, effortless operation. The stainless steel housing and brass wheel handle outdoor humidity and temperature variation without rusting or seizing.

🚪Bedroom Wardrobe Sliding Doors

The bearing construction and brass wheel ensure quiet, smooth wardrobe door operation — no noise to disturb sleeping family members, and no snagging that could catch or damage clothing.

🍳Kitchen Partition Sliding Windows

Kitchen environments combine high humidity, grease, and frequent use — the corrosion-resistant stainless steel housing and brass wheel maintain smooth operation without jamming or deteriorating under these conditions.

🛠️DIY Mobile Shelving & Tool Cabinets

Combine with aluminum profile fittings to build custom mobile storage units, display racks, or workshop tool cabinets — the bearing brass wheel provides smooth, load-bearing rolling on aluminum track.

Variant Wheel Type Bearing Housing Weight
73 Copper-Core Nylon Single Copper-core nylon No Stainless steel 71 g
73 Bearing Single Brass Brass Yes Stainless steel 98 g
73 Bearing Enlarged Single Brass Brass (enlarged) Yes Stainless steel 105 g
73 Bearing Double Brass Brass x2 Yes Stainless steel 165 g
Track Compatibility Type-73 aluminum alloy sliding door and window track
Housing Material Stainless steel
Wheel Materials Copper-core nylon; Brass
Wheel Configurations Single (no bearing); Bearing single; Bearing enlarged single; Bearing double
Installation Method Screw-fixed to door/window frame bottom or side mounting bracket
Tools Required Screwdriver, wrench
Maintenance Periodic cleaning; lubricate with light machine oil if rotation becomes dry

❓ Frequently Asked Questions

Which variant should I choose for my sliding door?

Consider panel weight and use frequency: (1) Copper-core nylon single (no bearing) — suitable for lighter panels and moderate use frequency. (2) Bearing single brass — the most common choice for standard residential sliding doors; smooth, quiet, and durable. (3) Bearing enlarged single brass — for wider track grooves or heavier panels requiring a larger wheel contact area. (4) Bearing double brass — for the heaviest panels or highest-frequency applications; distributes load across two wheel contact points for maximum stability and longevity.

How do I remove the old pulley and install the new one?

1. Clean the track of debris and dust before starting. 2. Remove the door or window panel from the track by lifting it out or unscrewing the retaining bracket. 3. Unscrew the old pulley from the mounting bracket at the bottom or side of the frame. 4. Align the new pulley with the mounting holes and tighten the screws firmly. 5. Ensure the pulley sits perpendicular to the track and rolls freely before reinstalling the panel. 6. Reinstall the panel and test by sliding gently — fine-tune the mounting position if any resistance or jamming occurs.

Is this pulley suitable for kitchen or bathroom environments?

Yes — the stainless steel housing resists rust and corrosion in high-humidity environments including kitchens and bathrooms. The brass wheel is also corrosion-resistant. For direct water exposure (e.g., shower enclosures), ensure the mounting screws are also stainless steel or corrosion-resistant to prevent rust at the fixing points.

Can these pulleys be used for DIY projects?

Yes — the bearing brass wheel runs smoothly on standard aluminum concave track, making these pulleys suitable for custom mobile shelving, tool cabinets, and display racks. Combine with aluminum profile fittings and connectors to build the frame, then mount the pulleys at the predetermined positions. Ensure the overall structure is balanced and the track is level for smooth rolling.

How do I maintain the pulleys to extend their service life?

Periodically clean the pulley surface and track to remove dust, oil, and debris — wipe with a damp cloth or mild detergent. If the wheel rotation becomes dry or stiff, apply a few drops of light machine oil to the wheel axle. Check and tighten any loose screws during routine maintenance. Avoid contact with strong acids, alkalis, or corrosive chemicals. Do not place excessive weight against the door or window panel, as this can overload and damage the pulley.

🛒 Select your variant above, then add to cart.

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