Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | NSK |
| Model Series | 684, 685, 686, 687, 688, 689, 694-698 |
| Country of Origin | Japan |
| Material | Chrome Steel |
| Seal Type | Metal Shield (Z Type) |
| Precision Rating | ABEC-1 (P0) |
| Cage Material | Steel |
| Lubrication | Pre-greased |
| Row Configuration | Single Row |
| Packaging | Individual Anti-rust Box |
Anonymous
Apr 16, 2026
Rating: 5/5
Genuine NSK Quality
These bearings are smooth and clearly authentic. Used them for my RC motor and the performance is excellent.
Anonymous
Apr 03, 2026
Rating: 4/5
Solid bearings
Good quality steel. They handle radial load well. Just make sure you select the correct size from the list.
Anonymous
Mar 31, 2026
Rating: 4/5
Good fit
Fit perfectly into my skateboard wheels. One star off because shipping took a bit longer than expected.
Anonymous
Feb 16, 2026
Rating: 5/5
Very smooth operation
No noise at all during operation. The Z shield keeps dust out effectively. Highly recommend for machinery.
Anonymous
Feb 06, 2026
Rating: 5/5
Exactly as described
Ordered the 688 size. Dimensions were precise. Great for replacing worn out parts in my printer.
Q: Are these bearings genuine NSK products?
A: Yes, all our bearings are imported directly from Japan and are 100% genuine NSK.
Q: Can these handle high-speed applications?
A: Yes, these are designed for high-speed rotation suitable for motors and spindle applications.
Q: What are the dimensions for the 688 bearing?
A: The 688 bearing has an inner diameter of 8mm, outer diameter of 16mm, and width of 5mm.
Q: Is the Z type sealed on both sides?
A: No, the Z type indicates a metal shield on one side. If you need both sides shielded, please look for ZZ type.
Q: Do these come pre-lubricated?
A: Yes, all bearings come pre-greased from the factory for immediate use.
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