625ZZ POM Idler Pulley Wheel - Ender 3 CR10 3D Printer Belt Tensioner
$1.99 NZD
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$1.99 NZD
625ZZ POM Idler Pulley Wheel - Ender 3 CR10 3D Printer Belt Tensioner
Stock amount:
Tax included. Shipping is calculated at checkout.
Urban $40
Rural $60
Ghosting. Wobbling. Rough layer lines. Worn or eccentric V-slot rollers are one of the most overlooked causes of 3D print quality issues — and one of the cheapest fixes. These are a direct drop-in replacement. No modifications. No reprinting of parts.
CNC-machined from high-density POM (Delrin/Polyoxymethylene) and fitted with pre-installed 625ZZ shielded bearings, these wheels roll smoother, quieter, and longer than standard stock rollers. Precision machined to ±0.005mm tolerance for true concentric rotation — the kind of consistency that shows up in your print quality.
Ships from NZ. Available individually or in multi-packs — see our other listings.
Ships from NZ Direct Drop-In Fit Pre-Installed Bearing ±0.005mm Tolerance No Modifications Needed
Specifications
| Material | High-density POM (Delrin / Polyoxymethylene) |
| Bearing type | 625ZZ double-shielded steel (pre-installed) |
| Outer diameter | 24.2mm |
| Inner diameter (bore) | 5.0mm — fits M5 bolts |
| Width | 10.2mm |
| Profile | V-Slot (passive / idler) |
| Machining tolerance | ±0.005mm |
| Extrusion compatibility | 2020 / 2040 V-slot aluminium profiles |
| Weight | approx 8g |
POM vs Stock Wheels
STOCK WHEELS
- Softer plastic wears quickly
- Deforms under heat and load
- Eccentric over time — causes ghosting
- Noisy at higher print speeds
POM WHEELS
- High hardness — resists wear and deformation
- Low friction surface for smooth, quiet motion
- ±0.005mm machined for true concentricity
- 625ZZ bearings rated for high-speed use
Key Features
Precision CNC machined±0.005mm tolerance — eliminates the wobble that causes ghosting and banding
625ZZ shielded bearingsPre-installed, rust-resistant, and rated for high-speed continuous operation
High-density POM bodyLow friction, wear-resistant, and dimensionally stable under heat and load
Direct drop-in fitM5 bore fits standard eccentric nuts and spacers — no drilling or modifications
Quieter operationPOM + quality bearings significantly reduces rolling noise vs worn stock wheels
Individually inspectedEach wheel visually checked for mould defects and bearing seating before dispatch
Compatibility — 2020 / 2040 V-Slot Systems
Creality
Ender 3 Ender 3 Pro Ender 3 V2 Ender 3 Max Ender 5 CR-10 CR-10S CR-10 Mini
Anycubic
Kobra Chiron I3 Mega
Other
Tevo Tarantula CNC router hybrids 8020 profiles 3030 aluminium profiles Any 2020/2040 V-slot system
Applications
- 3D printer X/Y/Z axis roller replacement and upgrade
- Gantry and bed carriage wheels on FDM printers
- DIY CNC router and laser engraver linear motion systems
- Camera slider builds and motion control rigs
- Small-scale automation and robotics on V-slot extrusions
- OpenBuilds and V-slot modular frame projects
📦 Per Item Added: 1x CNC POM V-Slot Wheel with pre-installed 625ZZ shielded bearing
Installation tip: When replacing wheels, check your eccentric nuts at the same time. A well-tensioned eccentric nut paired with a fresh POM wheel eliminates the two most common sources of print artefacts in one go. Wheels should roll smoothly with slight resistance — not loose, not binding. M5 x 25mm bolts are the standard fitment for most Creality and Anycubic gantry positions.