MR105-2RS Miniature Ball Bearing (MR Bearing), Sealed, MR series

The MR105-2RS miniature ball bearing (MR series, sealed) has a 5 mm bore, a 10 mm outside diameter and a width of 4 mm. Get it as simplified STEP files. Width as the shielded bearing; sealed row not listed by the sources.

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

• Also searched as: MR105-2RS bearing
• Model id: bearings-miniature-mr105-2rs
• Standard: MR series · size MR105

Files

Part key	Simplified
bearings-miniature-mr105-2rs	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
d	Bore diameter		5		5	nominal	L1
D	Outside diameter		10		10	nominal	L1
B	Width		4		4	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-MR105.pdf.

The MR105-2RS miniature ball bearing beside the MR95-2RS and the MR106-2RS

The MR105-2RS is number 7, counting from the smallest, of the 13 MR series miniature ball bearings published here, from MR63-2RS to MR148-2RS.

• Bore diameter (d): 5 mm on the MR105-2RS miniature ball bearing, against 5 mm on the MR95-2RS and 6 mm on the MR106-2RS.
• Outside diameter (D): 10 mm on the MR105-2RS miniature ball bearing, against 9 mm on the MR95-2RS and 10 mm on the MR106-2RS.
• Width (B): 4 mm on the MR105-2RS miniature ball bearing, against 3 mm on the MR95-2RS and 3 mm on the MR106-2RS.
• Chamfer dimension (r): at least 0.1 mm on the MR105-2RS miniature ball bearing, the same on the MR95-2RS and the MR106-2RS.

The MR105-2RS miniature ball bearing in its other versions

• MR105 Miniature Ball Bearing (MR Bearing), MR series: width 3 mm.
• MR105-2Z Miniature Ball Bearing (MR Bearing), Shielded, MR series, with the same values.

Other sizes

• One size smaller: MR95-2RS Miniature Ball Bearing (MR Bearing), Sealed, MR series, 5 mm bore, 9 mm OD, 3 mm wide.
• One size larger: MR106-2RS Miniature Ball Bearing (MR Bearing), Sealed, MR series, 6 mm bore, 10 mm OD, 3 mm wide.

Documents

• CC-BRG-MINI-DS-MR105.pdf: MR105 datasheet: values with levels, sources
• CC-BRG-MINI-SZ-MR105.pdf: MR105 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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