Anonymous
Apr 10, 2026
Rating: 5/5
Smooth Operation
Great for 3D printer fans. They are quiet and the stainless steel ensures they won't degrade quickly.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | 440 Stainless Steel |
| Available Bore Sizes | 1, 4, 5, 6, 7, 8, 9, 10, 12 mm |
| Seal Type | ZZ (Double Metal Shield) |
| Precision Grade | ABEC-1 |
| Cage Material | Carbon Steel |
| Lubrication | Pre-lubricated with Light Oil |
| Operating Temperature | -20°C to 120°C |
| Corrosion Resistance | High (Marine Environment Suitable) |
| Hardness | HRC 50-55 |
| Package Contents | 10 Pieces per Pack |
Anonymous
Apr 10, 2026
Rating: 5/5
Smooth Operation
Great for 3D printer fans. They are quiet and the stainless steel ensures they won't degrade quickly.
Anonymous
Mar 12, 2026
Rating: 5/5
Quality Steel
I was worried about rust since I use these in a humid environment. No rust after three months of use. Very satisfied.
Anonymous
Feb 26, 2026
Rating: 5/5
Perfect for RC Cars
Using the 5mm bore bearings for my remote control car motor. They spin smoothly and fit perfectly without any wiggle room.
Anonymous
Feb 12, 2026
Rating: 4/5
Good Value
Overall great bearings for the price. One bearing in the pack was slightly noisy, but the rest were perfect.
Anonymous
Feb 01, 2026
Rating: 5/5
Exact Fit
Measured the 6mm bore with calipers and it was exact. Precision is important for my project and these delivered.
Q: Do you sell single units?
A: No, to ensure protection and value, we sell these miniature bearings in packs of 10 only.
Q: Can I use these for skateboards?
A: No, these are miniature bearings. Skateboards require standard 608 size bearings which are larger.
Q: What lubricant is used?
A: They come pre-lubricated with standard industrial bearing oil suitable for general purposes.
Q: Are these suitable for water exposure?
A: 440 stainless steel resists rust well, but we recommend avoiding continuous submersion for best longevity.
Q: Is the 5mm bore exact?
A: Yes, these bearings adhere to standard ISO tolerance specifications for precise fitting.