A
Anonymous
Apr 15, 2026
Rating: 5/5
Fast delivery
Needed these for a repair job. Arrived quickly and well packaged.
Description
Linear shaft material GCr15 bearing steel, precision ground surface, no chrome plating
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Bearing Steel (SUJ2 Equivalent) |
| Surface Hardness | 58-62 HRC |
| Diameter Tolerance | g6 Precision Grade |
| Straightness Accuracy | 0.05mm per 300mm |
| Surface Finish | Precision Ground and Polished |
| Available Lengths | 70mm, 80mm, 100mm |
| Diameter Options | 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 7mm |
| Manufacturing Standard | Japanese Industrial Standard (JIS) |
| Heat Treatment | Induction Hardened |
| Recommended Use | Linear Motion Systems, 3D Printers, CNC |
5 reviews
A
Anonymous
Apr 11, 2026
Rating: 5/5
Precise tolerances
Measured with calipers, exactly on spec. Will buy again for future projects.
A
Anonymous
Mar 11, 2026
Rating: 5/5
Great for 3D printers
Fit perfectly into my LM8UU bearings. Very smooth motion overall.
A
Anonymous
Mar 09, 2026
Rating: 4/5
Good quality, minor rust
Shafts are hard and straight. One had a small spot of surface rust upon arrival.
A
Anonymous
Mar 04, 2026
Rating: 5/5
Excellent straightness
Used these for a custom linear actuator. No binding issues during operation.
5 FAQ
Q: Are these shafts chrome plated?
A: No, these are plain hardened steel shafts without chrome plating.
Q: Do you ship internationally?
A: Yes, we ship to most countries via standard courier services.
Q: What bearing size fits the 5mm shaft?
A: The 5mm shaft is compatible with LM5UU linear ball bearings.
Q: Is the surface smooth enough for bushings?
A: Yes, the precision ground finish is ideal for linear bushings.
Q: Can I cut these to a shorter length?
A: Yes, but you must re-harden the cut end to maintain durability.
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