4x12x5mm U-Groove Pulley Ball Bearing
UPC: 00193019333747
Type: Pulley U-Groove Track ball bearing
Standard: Metric
Size: 4mm x12mm x 4mm/5mm
Extended width: 5mm
U-GROOVE Track Roller Bearing
✔️ 4mm x 12mm x 5mm - Extended Inner Ring Width
This 4x12x5mm U-groove track roller bearing is made for guiding along rails and tracks, offering smooth motion in compact applications like sliding systems, linear guides, or small transport mechanisms. With an extended 5mm inner ring and double metal shields, it's ready to run clean and quiet in tight setups.
✅ Type: U-groove track roller bearing
✅ Inner Diameter (Bore): 4mm
✅ Outer Diameter: 12mm
✅ Outer Ring Width: 4mm
✅ Inner Ring Width: 5mm (extended for mounting)
✅ Shield Type: ZZ (double metal shields)
✅ Standard: Metric sizing
✅ Tolerance: ±0.5mm
✅ Pack Size: 1 bearing
Dimensions Table:
| Spec | Value |
|---|---|
| Bore (ID) | 4mm |
| OD | 12mm |
| Outer Ring Width | 4mm |
| Inner Ring Width | 5mm |
| Shield Type | ZZ (Double Metal Shields) |
| Tolerance | ±0.5mm |
💡 Why choose a U-groove bearing for motion systems?
U-groove bearings are ideal for track-based systems because they hug round rails or cables, maintaining alignment while rolling smoothly. They're great in sliding doors, camera sliders, or linear motion assemblies needing precision and stability.
Roll smooth, stay on track - this little U-groove bearing is your secret weapon for low-friction movement. Snag one today and upgrade your glide!