Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Chrome Steel GCr15 |
| Origin | Imported (Germany) |
| Precision Class | ABEC-7 |
| Seal Type | ZZ (Metal Shield) / 2RS (Rubber) |
| Inner Diameter Range | 3mm - 9mm |
| Outer Diameter Range | 7mm - 19mm |
| Width Range | 2mm - 5mm |
| Lubrication | High-Speed Synthetic Grease |
| Cage Material | Steel Ribbon |
| Warranty | 1 Year Manufacturer |
Anonymous
Mar 28, 2026
Rating: 5/5
High speed confirmed
Running these at high RPMs on a custom motor setup. They stay cool and maintain smoothness. Genuine German feel.
Anonymous
Feb 23, 2026
Rating: 5/5
Great value for imports
Compared to other brands, these offer better longevity. The packaging was secure and each bearing was individually wrapped.
Anonymous
Feb 22, 2026
Rating: 5/5
Perfect for my drone build
These bearings are incredibly smooth. I used the 688 size for my motor bells and the noise reduction is noticeable. High quality import.
Anonymous
Feb 15, 2026
Rating: 4/5
Good quality but tight fit
The precision is definitely there. Had to press them in carefully as the tolerance is very strict. Works great once installed.
Anonymous
Feb 11, 2026
Rating: 5/5
Exact replacement
Fixed my motor noise issue immediately. The 685 size matched the specs perfectly. Will buy again for future projects.
Q: Is the 688 size available in rubber sealed version?
A: Yes, please select the 2RS option from the variant dropdown menu for rubber seals.
Q: Can these handle water exposure?
A: For water exposure, we recommend the 2RS sealed version, but prolonged submersion is not advised.
Q: Do you offer bulk discounts?
A: Yes, for orders over 50 units, please contact us directly for a quote.
Q: What is the max RPM rating?
A: Depending on the specific size and load, these are rated up to 30,000 RPM.
Q: Are these compatible with skateboard wheels?
A: No, these are miniature bearings designed for motors and small machinery, not standard skateboards.
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