6304-2RS Deep Groove Ball Bearing
Bore 20 mm · Outer diameter 52 mm · Width 15 mm · Weight 0.144 kg
| Model | 6304-2RS |
|---|---|
| Bearing type | Deep Groove Ball Bearing |
| Series | 6300 Series |
| Bore diameter (d) | 20 mm |
| Outer diameter (D) | 52 mm |
| Width (B) | 15 mm |
| Sealing | 2RS — Double rubber seals (contact type) |
| Precision class | P6 (ISO 492 Class 6) |
| Radial clearance | C0 normal radial clearance |
| Material | GCr15 chrome steel (AISI 52100 equivalent) |
| Dynamic load Cr | 15.9 kN |
| Static load Cor | 7.85 kN |
| Limiting speed (grease) | 9500 rpm |
| Weight | 0.144 kg |
| MOQ | 100 pcs |
6304-2RS cross reference — interchangeable part numbers
These part numbers share the same boundary dimensions (20 × 52 × 15 mm) as 6304-2RS. Confirm sealing and clearance before substituting in a critical application.
| Brand | Part number | d × D × B (mm) |
|---|---|---|
| NSK | 6304-DDU | 20 × 52 × 15 |
| SKF | 6304-2RSH | 20 × 52 × 15 |
| NTN | 6304-LLU | 20 × 52 × 15 |
| FAG (Schaeffler) | 6304-H-2RSR | 20 × 52 × 15 |
| Nachi-Fujikoshi | 6304-2NSE9 | 20 × 52 × 15 |
6304-2RS dimension drawing
Cross-section generated from the real boundary dimensions: d 20 mm, D 52 mm, B 15 mm. Free to download and use in your own assembly drawings.
Typical applications for 6304-2RS
- Electric motors, pumps and fans where a 20 mm shaft is used
- Gearboxes and conveyors under predominantly radial load
- Agricultural machinery and general industrial repair
- Replacement of NSK 6304-DDU in existing housings
Packing and delivery
| Standard packing | JFZ single-box, Tube, or OEM packaging |
|---|---|
| MOQ | 100 pcs |
| Lead time | 25–35 days for container quantities |
| Port | Qingdao, China |
| Trade terms | EXW / FOB / CIF |
6304-2RS FAQ
What are the dimensions of 6304-2RS?
Bore (d) 20 mm, outer diameter (D) 52 mm, width (B) 15 mm. Weight 0.144 kg.
Which brands is 6304-2RS interchangeable with?
6304-2RS is dimensionally interchangeable with NSK 6304-DDU, SKF 6304-2RSH, NTN 6304-LLU, FAG 6304-H-2RSR, NACHI 6304-2NSE9 — identical boundary dimensions per ISO 15.
What is the load rating of 6304-2RS?
Dynamic load rating Cr 15.9 kN, static load rating Cor 7.85 kN, limiting speed (grease lubrication) 9500 rpm.
What is the MOQ and lead time for 6304-2RS?
MOQ 100 pcs. Standard lead time is 25–35 days for container quantities; trial orders ship from stock.
