F623-2Z Flanged Ball Bearing (Flange Bearing), Shielded, F and MF series
For a 3 mm shaft and a 10 mm housing bore, the F623-2Z flanged ball bearing (F and MF series, shielded) is 4 mm wide. Modeled as simplified STEP files. Its flange is 11.5 mm across and 1 mm thick.

How these parts are made, and what the levels mean: read the method
- Also searched as: F623-2Z bearing
- Model id:
bearings-miniature-flanged-f623-2z
- Standard: F and MF series · size F623
Files
| Part key | Simplified |
|---|
bearings-miniature-flanged-f623-2z | STEP |
Dimensions

| Symbol | Name | min | nom | max | Modeled | Rule | Level |
|---|
| d | Bore diameter | | 3 | | 3 | nominal | L1 |
| D | Outside diameter | | 10 | | 10 | nominal | L1 |
| B | Width | | 4 | | 4 | nominal | L1 |
| r | Chamfer dimension | 0.15 | | | 0.15 | single limit (min), modeled at the limit | L1 |
| D1 | Flange diameter | | 11.5 | | 11.5 | nominal | L1 |
| C1 | Flange width | | 1 | | 1 | nominal | L1 |
Drawing

As a PDF: CC-BRG-MINI-FL-SZ-F623.pdf.
The F623-2Z flanged ball bearing beside the F693-2Z and the MF74-2Z
The F623-2Z is number 6 of the 37 F and MF series flanged ball bearings published here, listed from F682-2Z to F689-2Z.
- Bore diameter (d): 3 mm on the F623-2Z flanged ball bearing, against 3 mm on the F693-2Z and 4 mm on the MF74-2Z.
- Outside diameter (D): 10 mm on the F623-2Z flanged ball bearing, against 8 mm on the F693-2Z and 7 mm on the MF74-2Z.
- Width (B): 4 mm on the F623-2Z flanged ball bearing, against 4 mm on the F693-2Z and 2.5 mm on the MF74-2Z.
- Chamfer dimension (r): at least 0.15 mm on the F623-2Z flanged ball bearing, against at least 0.15 mm on the F693-2Z and at least 0.08 mm on the MF74-2Z.
- Flange diameter (D1): 11.5 mm on the F623-2Z flanged ball bearing, against 9.5 mm on the F693-2Z and 8.2 mm on the MF74-2Z.
- Flange width (C1): 1 mm on the F623-2Z flanged ball bearing, against 0.9 mm on the F693-2Z and 0.6 mm on the MF74-2Z.
The F623-2Z flanged ball bearing in its other versions
Other sizes
- One size smaller: F693-2Z Flanged Ball Bearing (Flange Bearing), Shielded, F and MF series, 3 mm bore, 8 mm OD, 4 mm wide, 9.5 mm flange.
- One size larger: MF74-2Z Flanged Ball Bearing (Flange Bearing), Shielded, F and MF series, 4 mm bore, 7 mm OD, 2.5 mm wide, 8.2 mm flange.
Documents
Sources
nmb-miniature-flanged, nsk-miniature-flanged, ntn-bearingfinder-miniature-flanged. Full citations: the method page and this size's datasheet.
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