Anonymous
Mar 27, 2026
Rating: 5/5
Perfect for RC cars
High RPM performance is excellent. No heat buildup after long runs.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Chrome Steel (GCr15) |
| Country of Origin | Japan |
| Seal Type | ZZ (Metal Shield) or DDU (Rubber) |
| Precision Grade | ABEC-1 / ISO Class 6 |
| Cage Material | Pressed Steel |
| Lubrication | Pre-lubricated with Grease |
| Inner Diameter | 3mm to 9mm (Model Dependent) |
| Outer Diameter | 10mm to 24mm (Model Dependent) |
| Width | 4mm to 7mm (Model Dependent) |
| Package Quantity | 10 Pieces per Pack |
Anonymous
Mar 27, 2026
Rating: 5/5
Perfect for RC cars
High RPM performance is excellent. No heat buildup after long runs.
Anonymous
Mar 06, 2026
Rating: 4/5
Good but packaging could be better
Bearings are great, but one box was slightly dented during shipping. Product intact though.
Anonymous
Feb 25, 2026
Rating: 5/5
Reliable supplier
Ordered the 608 ZZ specifically. Consistent quality across all 10 pieces.
Anonymous
Feb 18, 2026
Rating: 5/5
Genuine quality
Definitely authentic Japanese quality. Fit perfectly in my skateboard wheels.
Anonymous
Feb 01, 2026
Rating: 5/5
Smooth operation
Used these for my 3D printer upgrade. Very smooth and quiet.
Q: What is the difference between ZZ and DDU?
A: ZZ has metal shields for less friction, DDU has rubber seals for better dust protection.
Q: Can I mix sizes in one order?
A: Please select the specific size variant from the dropdown menu before ordering.
Q: Are these suitable for high RPM applications?
A: Yes, they are designed for high-speed rotational use.
Q: Do these come pre-lubricated?
A: Yes, they come factory lubricated with high-speed grease.
Q: Is there a warranty?
A: Yes, we offer a 30-day replacement guarantee for manufacturing defects.