Anonymous
Apr 05, 2026
Rating: 4/5
Good Fit
Fits my 3D printer well. One bearing was slightly tighter than the others but overall good quality for the price.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand Name | Harbin |
| Bearing Type | Miniature Deep Groove Ball Bearing |
| Seal Configuration | ZZ (Double Metal Shield) |
| Ring Material | Chrome Steel (GCr15) |
| Precision Rating | ABEC-1 (ISO P0) |
| Cage Material | Steel Ribbon |
| Lubrication | Pre-greased with Standard Lithium Grease |
| Operating Temperature | -30°C to +120°C |
| Country of Origin | China |
| Package Quantity | 10 Pieces per Pack |
Anonymous
Apr 05, 2026
Rating: 4/5
Good Fit
Fits my 3D printer well. One bearing was slightly tighter than the others but overall good quality for the price.
Anonymous
Mar 23, 2026
Rating: 4/5
Solid Build
Durable for the price point. I use these for small machinery repairs and they hold up well under moderate load.
Anonymous
Mar 18, 2026
Rating: 5/5
Reliable Supplier
Fast shipping and good packaging. Bearings were well protected and arrived without any damage to the shields.
Anonymous
Feb 15, 2026
Rating: 5/5
High Speed Capable
Using in a drone motor and they handle the RPMs without overheating. Harbin is a reliable brand for miniature sizes.
Anonymous
Feb 12, 2026
Rating: 5/5
Smooth Operation
These bearings run very smoothly in my RC motor setup. No noise and minimal friction noticed during testing.
Q: Are these waterproof?
A: They are shielded not sealed. They offer some protection but are not recommended for submerged use.
Q: Can I regrease them?
A: The ZZ shields are non-removable without damage, so regreasing is not recommended.
Q: What is the bore size for MR106?
A: The MR106 model has a 6mm inner diameter bore size.
Q: Do you offer bulk discounts?
A: Yes, please contact our sales team directly for orders exceeding 100 packs.
Q: What is the max RPM?
A: Depends on load and lubrication, but approximately 20,000 RPM for miniature sizes under light load.