U-Shaped 608 Bearing Roller Guide Wheel 8×30×13mm Pulley
U-Shaped 608 Bearing Roller Guide Wheel 8×30×13mm Pulley
U-Shaped Nylon Roller Guide Wheel with 608 Bearing
Upgrade your sliding, rolling, or guiding mechanisms with this precision-engineered U-shaped bearing roller guide wheel. Featuring a high-quality carbon steel 608 bearing core wrapped in a durable nylon outer shell, this compact pulley delivers smooth, quiet, and elastic movement — ideal for DIY projects, 3D printers, linear rail systems, CNC machines, drawer slides, and more.
Key Features
- Quiet & Smooth Operation: Rubber-nylon construction dampens vibration and reduces noise for mute, low-friction movement
- Precise Dimensions: Inner diameter 8mm | Outer diameter 30mm | Thickness 13mm — fits standard 608-type bearing slots
- High-Quality Bearing Core: Carbon steel 608 bearing (type 6200) for reliable, long-lasting rotation
- Elastic Flexibility: Nylon material provides slight elasticity for a secure grip on guide rails and tracks
- Versatile U-Groove Design: The U-shaped groove keeps the wheel perfectly aligned on tracks, rails, or rods
- Lightweight & Compact: Easy to install in tight spaces without adding bulk
Specifications
| Material | Nylon (outer) / High-quality Carbon Steel (bearing) |
| Bearing Type | 608 / 6200 |
| Inner Diameter | 8 mm |
| Outer Diameter | 30 mm |
| Thickness | 13 mm |
| Package Contents | 1 × U-Shaped Roller Guide Wheel |
| Country of Origin | Made in China |
Common Applications
- 3D printer axis guide wheels
- CNC machine linear rails
- Sliding doors & drawer systems
- DIY automation & robotics
- Conveyor belt assemblies
- Custom mechanical projects
Note: Colors may vary slightly due to monitor display settings. Minor dimensional tolerances (±0.1–0.5mm) are normal for manufactured components.
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Frequently Asked Questions
Q: What bearing size does this U-shaped roller guide wheel use?
A: This roller guide wheel uses a standard 608 (type 6200) carbon steel bearing with an inner diameter of 8mm, outer diameter of 30mm, and a thickness of 13mm — compatible with most 3D printers, CNC machines, and linear rail systems that use 608-type bearings.
Q: Is this roller guide wheel suitable for 3D printers and CNC machines?
A: Yes! The U-shaped groove design and 608 bearing make it a popular choice for 3D printer axis assemblies, CNC linear guide rails, and other precision movement applications where smooth and quiet operation is needed.
Q: What is the roller guide wheel made of?
A: The outer wheel body is made from durable nylon, which provides quiet operation and slight elasticity for secure track contact. The internal bearing is made from high-quality carbon steel for strength and longevity.