Description
Reviews
| Brand | - |
| Category | Root / Industrial Small Parts |
| Origin | - |
| Material | Chrome Steel SAE 52100 |
| Seal Type | Double Shield (ZZ) or Rubber Seal (2RS) |
| Precision Grade | ABEC-5 (ISO P0) |
| Cage Material | Steel Pressed Cage |
| Lubrication | Pre-lubricated with Standard Grease |
| Inner Diameter Options | 3, 4, 5, 6, 8, 10, 12 mm |
| Outer Diameter Options | 13, 16, 19, 20 mm |
| Width Options | 4, 5, 6 mm |
| Operating Temperature | -20°C to +120°C |
| Package Quantity | 10 Pieces per Pack |
Anonymous
Apr 11, 2026
Rating: 5/5
Great quality for the price
Used these for a 3D printer upgrade. They run quietly and seem very durable. Shipping was fast too.
Anonymous
Mar 27, 2026
Rating: 4/5
Good bearings, slight noise initially
Overall good product. There was a slight grinding noise at first but it went away after a few minutes of run-in.
Anonymous
Mar 19, 2026
Rating: 5/5
Perfect for my drone build
These bearings fit perfectly in my custom drone motor mounts. Smooth operation and no noticeable wobble at high speeds.
Anonymous
Mar 09, 2026
Rating: 5/5
Reliable industrial grade
Bought these for a small conveyor belt motor. They handle the load well and seem to be genuine chrome steel.
Anonymous
Jan 22, 2026
Rating: 5/5
Fast shipping and exact specs
Measured the dimensions with calipers and they are spot on. Great for RC car wheel hubs.
Q: Can I mix different inner diameters in one order?
A: Please select the specific size variant you need. Different sizes are listed as separate options.
Q: Do you sell bulk quantities for manufacturing?
A: Yes, please contact us directly for bulk pricing on orders over 100 packs.
Q: Are these suitable for high RPM applications?
A: Yes, these bearings are rated for high-speed rotation typical in small motors and drones.
Q: Is there a warranty if a bearing fails prematurely?
A: We offer a 30-day return policy for defective items. Please reach out to customer service.
Q: What type of grease is used for lubrication?
A: We use a standard lithium-based grease suitable for general industrial and hobby use.
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