MR117 Miniature Ball Bearing (MR Bearing), MR series

The MR117 miniature ball bearing (MR series) has a 7 mm bore, an 11 mm outside diameter and a width of 2.5 mm. Get it as simplified STEP files.

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

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

Files

Part key	Simplified
bearings-miniature-mr117	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		2.5		2.5	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 miniature ball bearing beside the MR106 and the MR137

The MR117 is number 9, counting from the smallest, of the 12 MR series miniature ball bearings published here, from MR63 to MR148.

• Bore diameter (d): 7 mm on the MR117 miniature ball bearing, against 6 mm on the MR106 and 7 mm on the MR137.
• Outside diameter (D): 11 mm on the MR117 miniature ball bearing, against 10 mm on the MR106 and 13 mm on the MR137.
• Width (B): 2.5 mm on the MR117 miniature ball bearing, against 2.5 mm on the MR106 and 3 mm on the MR137.
• Chamfer dimension (r): at least 0.1 mm on the MR117 miniature ball bearing, against at least 0.1 mm on the MR106 and at least 0.15 mm on the MR137.

The MR117 miniature ball bearing in its other versions

• MR117-2Z Miniature Ball Bearing (MR Bearing), Shielded, MR series: width 3 mm.
• MR117-2RS Miniature Ball Bearing (MR Bearing), Sealed, MR series: width 3 mm.

Other sizes

• One size smaller: MR106 Miniature Ball Bearing (MR Bearing), MR series, 6 mm bore, 10 mm OD, 2.5 mm wide.
• One size larger: MR137 Miniature Ball Bearing (MR Bearing), MR series, 7 mm bore, 13 mm OD, 3 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, ntn-bearingfinder-miniature. Full citations: the method page and this size's datasheet.

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