
Model Numbers: F684ZZ
Brands Carried: NSK, EZO
Bearing Sizing: ID 4mm X OD 9mm X W 2.5mm, 4 mm Ball Bearing
Bearing Seals: Double Shielded
For more F684 ball bearings and seal options — we have hundreds visit MISUMI.
Select Part Numbers to Buy F684 Ball Bearings
| Bearing Seals | NSK | EZO (SPB-USA) |
|---|---|---|
| Open Type | – | – |
| Single Shielded | – | – |
| Double Shielded | F684ZZ | F684ZZ |
| Rubber Sealed | – | – |
Please select between the four options above:
Open Type:


Single Shielded:


Double Shielded:

F684ZZ Ball Bearing

F684ZZ Ball Bearing
Rubber Sealed:


Miniature Ball Bearings F684 – 4X9X2.5mm Description
The F684 is a 4 mm Ball Bearing that can be used in many rotary and factory automation applications. The F684 Miniature Ball Bearings is an open style bearing. The F684ZZ ball bearing has a single row raceway and it is shielded on each side. The F684 4 mm Ball Bearing Inner Dimension 4mm X Outer Dimension 9mm X Width 2.5mm is an open style ball bearing designed for high rotational speeds and high dynamic loads.
F684 Ball Bearings 4X9X2.5mm Specifications & Dimensions
| Universal | F684 |
|---|---|
| Type | Ball |
| Inner/Outer Ring Material | Steel |
| Precision | Grade 0 |
| Inner Dimension d(Ø) | 4 |
| Outer Dimension D(Ø) | 9 |
| Width B (or T)(mm) | 2.5 |
| Retainer Type | Punching |
| Load Direction | Radial |
| Specifications/Environment | Standard |
| Number of Raceway Ring Rows | Single Track |
| Size Standards | Metric Series |

Miniature Ball Bearings F684 – Technical Specifications/Dimensions
Open Ball Bearings
Single Shielded Ball Bearings
Double Shielded Ball Bearings
Rubber Sealed Ball Bearings
Other Ball Bearing Series

