A
Anonymous
Apr 04, 2026
Rating: 4/5
Good value
One bearing was slightly noisy but others work fine. Overall satisfied with the price.
Description
Deep Groove Ball Miniature Bearings 608 MR128 148 688 698 628 638Z ZZ RS, 8mm Inner Diameter
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Inner Diameter | 8 mm |
| Outer Diameter | Varies by Model (16mm - 22mm) |
| Width | Varies by Model (4mm - 7mm) |
| Material | Chrome Steel (GCr15) |
| Shielding Type | ZZ (Metal) or RS (Rubber) |
| Precision Rating | ABEC-1 / ABEC-3 / ABEC-5 |
| Cage Material | Steel or Nylon |
| Lubrication | Pre-lubricated with Grease |
| Operating Temperature | -20°C to 120°C |
| Package Content | 10 Pieces per Pack |
5 reviews
A
Anonymous
Feb 19, 2026
Rating: 5/5
Exactly what I needed
Replaced old bearings in my drone. Flight performance improved noticeably.
A
Anonymous
Feb 10, 2026
Rating: 5/5
High quality
Very quiet operation under load. I use these for small electric motors.
A
Anonymous
Jan 23, 2026
Rating: 5/5
Great for skateboards
Smooth rolling and fast delivery. These fit perfectly into my longboard wheels.
A
Anonymous
Jan 22, 2026
Rating: 5/5
Perfect fit
Used for my 3D printer upgrade. The dimensions were exact and installation was easy.
5 FAQ
Q: Is the 608 size standard?
A: Yes, 608 is a standard skateboard bearing size.
Q: Can I use these in high temps?
A: Standard grease works up to 120 degrees Celsius.
Q: What does ZZ mean?
A: ZZ indicates metal shields on both sides.
Q: Do you offer ceramic options?
A: Currently we stock Chrome Steel only.
Q: Is lubrication needed?
A: No, they come pre-lubricated from the factory.
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
