MR117-2Z Miniature Ball Bearing (MR Bearing), Shielded, MR series

For a 7 mm shaft and an 11 mm housing bore, the MR117-2Z miniature ball bearing (MR series, shielded) is 3 mm wide. Modeled as simplified STEP files.

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

• Also searched as: MR117-2Z bearing
• Model id: bearings-miniature-mr117-2z
• Standard: MR series · size MR117

Files

Part key	Simplified
bearings-miniature-mr117-2z	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d	Bore diameter		7		7	nominal	L1
D	Outside diameter		11		11	nominal	L1
B	Width		3		3	nominal	L1
r	Chamfer dimension	0.1			0.1	single limit (min), modeled at the limit	L1

Drawing

As a PDF: CC-BRG-MINI-SZ-MR117.pdf.

The MR117-2Z miniature ball bearing beside the MR126-2Z and the MR137-2Z

The MR117-2Z is number 10, counting from the smallest, of the 13 MR series miniature ball bearings published here, from MR63-2Z to MR148-2Z.

• Bore diameter (d): 7 mm on the MR117-2Z miniature ball bearing, against 6 mm on the MR126-2Z and 7 mm on the MR137-2Z.
• Outside diameter (D): 11 mm on the MR117-2Z miniature ball bearing, against 12 mm on the MR126-2Z and 13 mm on the MR137-2Z.
• Width (B): 3 mm on the MR117-2Z miniature ball bearing, against 4 mm on the MR126-2Z and 4 mm on the MR137-2Z.
• Chamfer dimension (r): at least 0.1 mm on the MR117-2Z miniature ball bearing, against at least 0.15 mm on the MR126-2Z and at least 0.15 mm on the MR137-2Z.

The MR117-2Z miniature ball bearing in its other versions

• MR117 Miniature Ball Bearing (MR Bearing), MR series: width 2.5 mm.
• MR117-2RS Miniature Ball Bearing (MR Bearing), Sealed, MR series, with the same values.

Other sizes

• One size smaller: MR126-2Z Miniature Ball Bearing (MR Bearing), Shielded, MR series, 6 mm bore, 12 mm OD, 4 mm wide.
• One size larger: MR137-2Z Miniature Ball Bearing (MR Bearing), Shielded, MR series, 7 mm bore, 13 mm OD, 4 mm wide.

Documents

• CC-BRG-MINI-DS-MR117.pdf: MR117 datasheet: values with levels, sources
• CC-BRG-MINI-SZ-MR117.pdf: MR117 drawing: this size's values on the views
• parts.json: the part record of this size (the platform contract)

Sources

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

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