MF148 Flanged Ball Bearing (Flange Bearing), F and MF series

The MF148 flanged ball bearing (F and MF series) has an 8 mm bore, a 14 mm outside diameter and a width of 3.5 mm. Get it as simplified STEP files. Its flange is 15.6 mm across and 0.8 mm thick.

How these parts are made, and what the levels mean: read the method

• Also searched as: MF148 bearing
• Model id: bearings-miniature-flanged-mf148
• Standard: F and MF series · size MF148

Files

Part key	Simplified
bearings-miniature-flanged-mf148	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d	Bore diameter		8		8	nominal	L1
D	Outside diameter		14		14	nominal	L1
B	Width		3.5		3.5	nominal	L1
r	Chamfer dimension	0.15			0.15	single limit (min), modeled at the limit	L1
D1	Flange diameter		15.6		15.6	nominal	L1
C1	Flange width		0.8		0.8	nominal	L1

Drawing

As a PDF: CC-BRG-MINI-FL-SZ-MF148.pdf.

The MF148 flanged ball bearing beside the MF128 and the F688

The MF148 is number 35 of the 39 F and MF series flanged ball bearings published here, listed from F682 to F689.

• Bore diameter (d): 8 mm on the MF148 flanged ball bearing, the same on the MF128 and the F688.
• Outside diameter (D): 14 mm on the MF148 flanged ball bearing, against 12 mm on the MF128 and 16 mm on the F688.
• Width (B): 3.5 mm on the MF148 flanged ball bearing, against 2.5 mm on the MF128 and 4 mm on the F688.
• Chamfer dimension (r): at least 0.15 mm on the MF148 flanged ball bearing, against at least 0.1 mm on the MF128 and at least 0.2 mm on the F688.
• Flange diameter (D1): 15.6 mm on the MF148 flanged ball bearing, against 13.2 mm on the MF128 and 18 mm on the F688.
• Flange width (C1): 0.8 mm on the MF148 flanged ball bearing, against 0.6 mm on the MF128 and 1 mm on the F688.

The MF148 flanged ball bearing in its other versions

• MF148-2Z Flanged Ball Bearing (Flange Bearing), Shielded, F and MF series: width 4 mm.
• MF148-2RS Flanged Ball Bearing (Flange Bearing), Sealed, F and MF series: width 4 mm.

Other sizes

• One size smaller: MF128 Flanged Ball Bearing (Flange Bearing), F and MF series, 8 mm bore, 12 mm OD, 2.5 mm wide, 13.2 mm flange.
• One size larger: F688 Flanged Ball Bearing (Flange Bearing), F and MF series, 8 mm bore, 16 mm OD, 4 mm wide, 18 mm flange.

Documents

• CC-BRG-MINI-FL-DS-MF148.pdf: MF148 datasheet: values with levels, sources
• CC-BRG-MINI-FL-SZ-MF148.pdf: MF148 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

nmb-miniature-flanged, nsk-miniature-flanged. Full citations: the method page and this size's datasheet.

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