Description
The SKF 6304 deep groove ball bearing is engineered for versatile use across industrial and mechanical applications. With a 20 mm bore, 52 mm outside diameter, and 15 mm width, this open-type bearing delivers a strong balance between compact size and load capacity.
It features high-quality bearing steel with a sheet metal cage, providing strength and reliability under demanding operating conditions. Capable of handling dynamic loads up to 16.8 kN and static loads up to 7.8 kN, the 6304 supports speeds of up to 19,000 r/min while maintaining low noise and vibration levels.
Its CN internal clearance ensures stable performance, making it well-suited for electric motors, pumps, gearboxes, and a wide range of machinery where efficiency and long service life are essential.
Specifications
| Attribute | Value |
|---|---|
| Part Number | 6304 |
| Bearing Type | Deep groove ball bearing |
| Number of Rows | 1 |
| Bore Diameter | 20 mm |
| Outside Diameter | 52 mm |
| Width | 15 mm |
| Basic Dynamic Load Rating | 16.8 kN |
| Basic Static Load Rating | 7.8 kN |
| Reference Speed | 30,000 r/min |
| Limiting Speed | 19,000 r/min |
| Radial Internal Clearance | CN |
| Bore Type | Cylindrical |
| Cage Material | Sheet metal |
| Sealing | Without (open type) |
| Lubricant | None |
| Relubrication Feature | Without |
| Filling Slots | Without |
| Matched Arrangement | No |
| Locating Feature, Outer Ring | Without |
| Material | Bearing steel |
| Coating | Without |
| Product Net Weight | 0.139 kg |
| Indicative Carbon Footprint (Manufacture) | 0.5 kg CO2e |
| SKF Performance Class | SKF Explorer |
| eClass Code | 23-05-08-01 |
| UNSPSC Code | 31171504 |
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