Anonymous
Apr 12, 2026
Rating: 5/5
Perfect fit
Installed easily into my custom build. Dimensions were exactly as described.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand Name | Zhiwanwu / Lao Tiejiang |
| Model Number | R188 / 688 / 6703 |
| Material Type | Stainless Steel & Ceramic |
| Precision Rating | ABEC-9 |
| Closure Style | Open Face |
| Ball Count | 7 Balls per Bearing |
| Cage Material | Steel |
| Lubrication | Pre-lubricated with Oil |
| Application | Fidget Spinners & RC Models |
| Package Weight | 50 Grams |
Anonymous
Apr 12, 2026
Rating: 5/5
Perfect fit
Installed easily into my custom build. Dimensions were exactly as described.
Anonymous
Mar 17, 2026
Rating: 5/5
Highly recommended
Ceramic balls make a huge difference in spin time compared to standard steel.
Anonymous
Feb 24, 2026
Rating: 4/5
Good value
Price is reasonable for ceramic hybrid. Shipping was fast too.
Anonymous
Feb 10, 2026
Rating: 4/5
Great quality
One bearing was slightly noisy but others were perfect. Good value overall.
Anonymous
Feb 06, 2026
Rating: 5/5
Best bearings I've used
Smooth spin for over 3 minutes. The ceramic hybrid design really reduces friction.
Q: Is there a warranty?
A: Yes, we offer a 30-day manufacturer warranty on defects.
Q: How long does shipping take?
A: Typically 3-5 business days depending on your location.
Q: Can I use these for RC cars?
A: Yes, they work well for high RPM applications like RC motors.
Q: Are these true ceramic bearings?
A: They are hybrid ceramic with steel races for durability.
Q: Do you offer bulk discounts?
A: Please contact us directly for bulk order inquiries and pricing.