Anonymous
Apr 13, 2026
Rating: 5/5
Perfect for my 3D printer upgrade
Swapped these into my extruder assembly. Smooth operation and no rust after months of humidity.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Zirconia (ZrO2) Ceramic |
| Ball Material | Full Zirconia Ceramic |
| Cage Material | PTFE (Teflon) |
| Precision Grade | ABEC-7 / ISO Class 2 |
| Operating Temperature | -40°C to 400°C |
| Corrosion Resistance | Excellent (Acid & Alkali Resistant) |
| Magnetic Property | Non-Magnetic |
| Lubrication | Food Grade Grease or Dry Run |
| Seal Type | 2RS (Rubber Sealed) or Open |
| Common Applications | Robotics, Food Processing, Laboratory Equipment |
Anonymous
Apr 13, 2026
Rating: 5/5
Perfect for my 3D printer upgrade
Swapped these into my extruder assembly. Smooth operation and no rust after months of humidity.
Anonymous
Mar 06, 2026
Rating: 5/5
Fast shipping and genuine product
Ordered the 624 model. Packaging was secure and dimensions matched specs perfectly.
Anonymous
Feb 02, 2026
Rating: 5/5
High quality ceramic
Used in a laboratory pump. Chemical resistance is exactly as described. Very satisfied.
Anonymous
Jan 25, 2026
Rating: 4/5
Good but fragile during install
Bearings are great once installed, but care must be taken not to drop them as ceramic can chip.
Anonymous
Jan 24, 2026
Rating: 5/5
Zero magnetic interference
Crucial for our sensor calibration equipment. These bearings do not interfere with magnetic fields.
Q: Are these suitable for underwater applications?
A: Yes, zirconia is highly resistant to water corrosion and degradation.
Q: What is the inner diameter of the 605 model?
A: The 605 model has an inner bore diameter of 5mm.
Q: Can I use these in a high-temperature oven conveyor?
A: Yes, they can withstand temperatures up to 400°C continuously.
Q: Are these full ceramic or hybrid with steel balls?
A: These are full zirconia ceramic bearings, including balls and races.
Q: Do these require special lubrication?
A: They come pre-lubricated with food-grade grease but can also run dry if needed.