Furniture Hardware Accessories High Temperature Resistance U-Shaped Plastic 626ZZ Bearing Pulley

• Smooth Operation
  The spacer design ensures smooth rolling and no jamming, even when screws are fully tightened.
• Silent & High Load Pulley
  Combines quiet bearings with high load capacity for smooth, low-noise performance.
• Durable Materials
  The nylon-coated outer layer offers strength, toughness, and fatigue resistance.
• Precision Bearings
  High-quality bearing steel provides quiet, high-speed, and wear-resistant performance.
• Sealed & Dustproof
  Metal dust cover ensures tight sealing; smooth surface with no burrs for refined quality.

Product Overview — Compact 6mm Bore Bearing Pulley Rollers (Nylon / PU / Rubber)

These small-format pulley rollers are designed for clean, stable motion in compact mechanisms where space is limited but reliability still matters. Each wheel features a 6 mm bore that pairs naturally with M6 shafts, shoulder bolts, or 6 mm rods, making them easy to integrate into common brackets and light-duty track assemblies.

Across the range, sizes typically fall in the 19–35 mm outer diameter class, with wheel widths around 6–12 mm depending on the model. Most versions use shielded miniature deep-groove ball bearings (commonly in the 625ZZ / 626ZZ family or equivalent), supporting smooth rotation, quieter running, and consistent performance in light-to-moderate guiding roles.

Core Specifications (Typical Range)

• Bore / ID: 6 mm (M6 compatible)
• Outer diameter (OD): approx. 19–35 mm
• Wheel width: approx. 6–12 mm
• Bearing type: shielded miniature deep-groove ball bearing (e.g., 625ZZ / 626ZZ or similar)
• Duty: light to moderate loads; suitable for guiding and idler applications

Material & Color Options (Choose by Use Case)

Different outer materials change how the wheel behaves against tracks, cables, or contact surfaces:

• White Nylon / POM (Acetal)
  • Low rolling resistance and light weight
  • Good wear performance for general guiding
  • Often preferred when quiet operation and easy rolling are priorities
• Black Rubber-Coated
  • Higher grip with built-in cushioning
  • Helps reduce vibration transfer and contact noise
  • Useful where slip needs to be minimized or where impact/edge vibration is present
• Green PU-Coated
  • Strong abrasion resistance with slight compliance
  • Balanced traction and durability for repeated rolling contact
  • High visibility is convenient for sorting and maintenance workflows

Common Applications

These compact rollers are frequently used in:

• sliding doors, windows, cabinets, wardrobes, and partition systems
• drawer and small track roller replacements
• compact conveyors and edge/guide rollers
• fitness equipment pulleys and cable routing
• 3D printer idlers and light motion assemblies
• DIY linear motion builds on aluminum extrusion, steel rod frames, or custom fixtures
• small carts, shop jigs, and light automation prototypes

Load Guidance & Operating Notes

As a practical rule of thumb, many setups run well when loads stay roughly in the 5–30 kg per wheel range, but real capacity depends heavily on:

• wheel diameter and width
• mounting method and alignment (side-loading reduces bearing life)
• speed and duty cycle
• track/contact surface quality

Shielded bearings help reduce dust ingress for indoor or semi-protected environments. For dusty shops or debris-prone tracks, adding extra guarding and periodic cleaning will improve service life.

Packing, Testing, and System Matching

These rollers are typically supplied as single units or small packs. When dialing in a new build, it's often smart to test a couple of diameters to confirm clearance, track fit, and rolling feel before standardizing.

Matching hardware such as shafts, brackets, and rails can be paired to build a complete guiding kit when needed.

• What are your payment terms?

  What are your payment terms?

  1.100% T/T in advance2.30% T/T deposit, 70% balance against copy of B/L3. PayPalPackaging Details: Standard export packing (plastic bag, carton, and pallet or wooden case), or as per customer's requirements.Delivery Port: Ningbo / ShanghaiDelivery Time: Normally within 30 days for ready goods or as per customer's request.

• How do you handle shipment?

  How do you handle shipment?

  For small orders: we ship via express (DHL, FedEx, UPS, TNT, etc.).For bulk orders: we ship by sea or by air, depending on your preference.

• How long is the production lead time?

  How long is the production lead time?

  For in-stock samples: shipped within 2 days.For out-of-stock samples: lead time is within 7 days.For mass production: approximately 15 days after receiving the deposit.

• What after-sales service do you offer for sliding rollers?

  What after-sales service do you offer for sliding rollers?

  We provide online technical support.  If the issue is caused by a quality defect, we will replace the defective items with new ones.

• How does your factory ensure quality control?

  How does your factory ensure quality control?

  80% of our staff have over 10 years of experience.  We have a mature and skilled technical team along with a comprehensive quality management system to ensure consistent product quality.

• Can we print our logo on the products?

  Can we print our logo on the products?

  Yes, we can print your logo on the products based on your design requirements.

• Can we customize our own color box?

  Can we customize our own color box?

  Yes, if your order quantity reaches 1,000 sets, we can provide customized color box packaging.

• Do you offer free samples?

  Do you offer free samples?

  Yes, we are happy to provide free samples for you to evaluate the quality.

• Are you a manufacturer?

  Are you a manufacturer?

  Yes, we are a professional manufacturer specializing in door and window roller pulleys for over 20 years. We also have our own international sales department and handle both production and sales in-house.

• How long does it take to receive a response after sending an inquiry?

  How long does it take to receive a response after sending an inquiry?

  We will reply to you within 6 working hours on business days.