
Model Numbers: 6304, B6304Z, 6304Z, B6304ZZ, 6304ZZ, B6304DDU, 6304DDU, 6304LLU, 6304-2NSE, 6304H2RS
Brands Carried: MISUMI, NSK, NTN, Nachi-Fujikoshi, EZO
Bearing Sizing: ID 20mm X OD 52mm X W 15mm, 20 mm Ball Bearing
Bearing Seals: Open, Single Shielded, Double Shielded, Rubber Sealed
For more 6304 ball bearings and seal options — we have hundreds visit MISUMI.
Select Part Numbers to Buy 6304 Ball Bearings
| Bearing Seals | MISUMI | NSK | NTN | Nachi-Fujikoshi | EZO (SPB-USA) |
|---|---|---|---|---|---|
| Open Type | – | 6304 | 6304 | 6304 | – |
| Single Shielded | B6304Z | 6304Z | 6304Z | – | – |
| Double Shielded | B6304ZZ | 6304ZZ | 6304ZZ | – | – |
| Rubber Sealed | B6304DDU | 6304DDU | 6304LLU | 6304-2NSE | 6304H2RS |
Please select between the four options above:

6304 Ball Bearing

B6304Z Ball Bearing
6304Z Ball Bearing

B6304ZZ Ball Bearing
6304ZZ Ball Bearing

B6304DDU Ball Bearing
6304DDU Ball Bearing
6304LLU Ball Bearing
6304-2NSE Ball Bearing
6304H2RS Ball Bearing
Deep Groove Ball Bearings 6304 – 20X52X15mm Description
The 6304 is a 20 mm Ball Bearing that can be used in many rotary and factory automation applications. The 6304 Deep Groove Ball Bearings is an open style bearing. The 6304Z ball bearing is a single row raceway and single shielded. The 6304ZZ ball bearing has a single row raceway and it is shielded on each side. The B6304DDU, 6304DDU, 6304LLU, 6304-2NSE, 6304H2RS ball bearing are shielded by two rubber seals on each side. The 6304 20 mm Ball Bearing Inner Dimension 20mm X Outer Dimension 52mm X Width 15mm is an open style ball bearing designed for high rotational speeds and high dynamic loads.
6304 Ball Bearings 20X52X15mm Specifications & Dimensions
| Universal | 6304 |
|---|---|
| Type | Ball |
| Inner/Outer Ring Material | Steel |
| Precision | Grade 0 |
| Inner Dimension d(Ø) | 20 |
| Outer Dimension D(Ø) | 52 |
| Width B (or T)(mm) | 15 |
| Retainer Type | Punching |
| Load Direction | Radial |
| Specifications/Environment | Standard |
| Number of Raceway Ring Rows | Single Track |
| Size Standards | Metric Series |

Deep Groove Ball Bearings 6304 – Technical Specifications/Dimensions
Double Shielded Ball Bearings
Other Ball Bearing Series

