
Model Numbers: MR63, MR63ZZ
Brands Carried: NSK, EZO, NSK Micro Precision
Bearing Sizing: ID 3mm X OD 6mm X W 2mm, 3 mm Ball Bearing
Bearing Seals: Open, Double Shielded
For more MR63 ball bearings and seal options — we have hundreds visit MISUMI.
Select Part Numbers to Buy MR63 Ball Bearings
| Bearing Seals | NSK | EZO (SPB-USA) | NSK MICRO PRECISION |
|---|---|---|---|
| Open Type | – | MR63 | MR63 |
| Single Shielded | – | – | – |
| Double Shielded | MR63ZZ | MR63ZZ | MR63ZZ |
| Rubber Sealed | – | – | – |
Please select between the four options above:
Open Type:

MR63 Ball Bearing

MR63 Ball Bearing
Single Shielded:


Double Shielded:

MR63ZZ Ball Bearing

MR63ZZ Ball Bearing
Rubber Sealed:


Miniature Ball Bearings MR63 – 3X6X2mm Description
The MR63 is a 3 mm Ball Bearing that can be used in many rotary and factory automation applications. The MR63 Miniature Ball Bearings is an open style bearing. The MR63ZZ ball bearing has a single row raceway and it is shielded on each side. The MR63 3 mm Ball Bearing Inner Dimension 3mm X Outer Dimension 6mm X Width 2mm is an open style ball bearing designed for high rotational speeds and high dynamic loads.
MR63 Ball Bearings 3X6X2mm Specifications & Dimensions
| Universal | MR63 |
|---|---|
| Type | Ball |
| Inner/Outer Ring Material | Steel |
| Precision | Grade 0 |
| Inner Dimension d(Ø) | 3 |
| Outer Dimension D(Ø) | 6 |
| Width B (or T)(mm) | 2 |
| Retainer Type | Punching |
| Load Direction | Radial |
| Specifications/Environment | Standard |
| Number of Raceway Ring Rows | Single Track |
| Size Standards | Metric Series |

Miniature Ball Bearings MR63 – Technical Specifications/Dimensions
Single Shielded Ball Bearings
Double Shielded Ball Bearings
Rubber Sealed Ball Bearings
Other Ball Bearing Series

