Anonymous
Mar 14, 2026
Rating: 5/5
Exact fit for 688 model
Ordered the 688 size for my rotary tool. Dimensions are accurate and installation was easy.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | C&U |
| Material | Chrome Steel (GCr15) |
| Precision Rating | ABEC-1 (ISO Class Normal) |
| Seal Options | Open, Metal Shield (ZZ), Rubber Seal (2RS) |
| Cage Type | Steel Riveted |
| Lubricant | Standard Industrial Grease |
| Noise Level | Low Noise (Z1 Group) |
| Hardness | HRC 60-65 |
| Country of Origin | China |
| Package Quantity | 10 Units per Box |
Anonymous
Mar 14, 2026
Rating: 5/5
Exact fit for 688 model
Ordered the 688 size for my rotary tool. Dimensions are accurate and installation was easy.
Anonymous
Mar 12, 2026
Rating: 4/5
Good value
Works well for general power tool maintenance. Packaging was a bit basic but the bearings are fine.
Anonymous
Mar 03, 2026
Rating: 5/5
High speed performance
Running these at high speeds in my grinder and they hold up well without overheating.
Anonymous
Feb 11, 2026
Rating: 5/5
Perfect for my drill press
These bearings fit perfectly into my drill press spindle. Very smooth operation and no wobble.
Anonymous
Jan 25, 2026
Rating: 5/5
Smooth rotation
Excellent quality for the price. The rotation is silky smooth right out of the box.
Q: Are these compatible with Dremel tools?
A: Yes, specifically models requiring 688 or 693 sizes. Please check your tool's manual.
Q: What is the maximum RPM?
A: Depends on size, but generally rated up to 30,000 RPM for miniature sizes under proper load.
Q: Is the grease food safe?
A: No, this is industrial grade grease intended for power tools and machinery.
Q: Can I use these for skateboards?
A: We recommend skateboard specific bearings; these are designed for power tool applications.
Q: Do you offer bulk discounts?
A: Yes, please contact sales for orders over 100 packs.