Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Chrome Steel GCr15 |
| Seal Type | ZZ (Metal Shield) |
| Precision Grade | ABEC-1 / ISO P0 |
| Bearing Series | 6900 Thin Wall Deep Groove |
| Lubrication | Pre-lubricated with Grease |
| Cage Material | Steel |
| Closure Type | Double Shielded |
| Primary Application | Robotics, Drones, Small Motors |
| Brand | Anbang |
| Package Quantity | 10 Pieces per Pack |
Anonymous
Mar 23, 2026
Rating: 5/5
High quality miniature bearings
I use these for precision robotics projects. The dimensions are accurate and the metal shields keep dust out effectively.
Anonymous
Mar 20, 2026
Rating: 5/5
Exactly as described
Ordered the 6902 ZZ size. They arrived quickly and matched the specifications listed. Will buy again.
Anonymous
Feb 06, 2026
Rating: 5/5
Perfect for my drone build
These bearings fit perfectly into my motor housings. Smooth rotation and no noticeable play. Great value for the price.
Anonymous
Feb 05, 2026
Rating: 5/5
Reliable for small motors
Using these in several 3D printer extruder upgrades. They run quietly and seem very durable so far.
Anonymous
Jan 22, 2026
Rating: 4/5
Good but grease is thick
The bearings are well made, but the factory grease is a bit thick for high RPM applications. I cleaned and re-lubed them.
Q: Are these bearings made of stainless steel?
A: No, these are made of Chrome Steel GCr15 for durability and load capacity. They are not corrosion-resistant stainless steel.
Q: Can I remove the shields to clean the bearings?
A: The ZZ metal shields are non-removable without damaging the bearing. We recommend purchasing open bearings if cleaning is required.
Q: Is the grease suitable for high temperature environments?
A: The standard grease is rated for typical operating temperatures. For extreme heat, high-temperature lubrication may be necessary.
Q: Do these come with rubber seals instead of metal shields?
A: This specific listing is for the ZZ variant, which features metal shields. Rubber sealed versions are available in a different listing.
Q: What is the maximum RPM for the 6903 size?
A: Maximum RPM varies based on load and lubrication. For light loads, the 6903 can typically handle up to 30,000 RPM.
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