6306-2RS Deep Groove Ball Bearing
Bore 30 mm · Outer diameter 72 mm · Width 19 mm · Weight 0.346 kg
| Model | 6306-2RS |
|---|---|
| Bearing type | Deep Groove Ball Bearing |
| Series | 6300 Series |
| Bore diameter (d) | 30 mm |
| Outer diameter (D) | 72 mm |
| Width (B) | 19 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 | 26.7 kN |
| Static load Cor | 15 kN |
| Limiting speed (grease) | 6400 rpm |
| Weight | 0.346 kg |
| MOQ | 100 pcs |
6306-2RS cross reference — interchangeable part numbers
These part numbers share the same boundary dimensions (30 × 72 × 19 mm) as 6306-2RS. Confirm sealing and clearance before substituting in a critical application.
| Brand | Part number | d × D × B (mm) |
|---|---|---|
| NSK | 6306-DDU | 30 × 72 × 19 |
| SKF | 6306-2RS1 | 30 × 72 × 19 |
| NTN | 6306-LLU | 30 × 72 × 19 |
| FAG (Schaeffler) | 6306-H-2RSR | 30 × 72 × 19 |
| Nachi-Fujikoshi | 6306-2NSE9 | 30 × 72 × 19 |
6306-2RS dimension drawing
Cross-section generated from the real boundary dimensions: d 30 mm, D 72 mm, B 19 mm. Free to download and use in your own assembly drawings.
Typical applications for 6306-2RS
- Electric motors, pumps and fans where a 30 mm shaft is used
- Gearboxes and conveyors under predominantly radial load
- Agricultural machinery and general industrial repair
- Replacement of NSK 6306-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 |
6306-2RS FAQ
What are the dimensions of 6306-2RS?
Bore (d) 30 mm, outer diameter (D) 72 mm, width (B) 19 mm. Weight 0.346 kg.
Which brands is 6306-2RS interchangeable with?
6306-2RS is dimensionally interchangeable with NSK 6306-DDU, SKF 6306-2RS1, NTN 6306-LLU, FAG 6306-H-2RSR, NACHI 6306-2NSE9 — identical boundary dimensions per ISO 15.
What is the load rating of 6306-2RS?
Dynamic load rating Cr 26.7 kN, static load rating Cor 15 kN, limiting speed (grease lubrication) 6400 rpm.
What is the MOQ and lead time for 6306-2RS?
MOQ 100 pcs. Standard lead time is 25–35 days for container quantities; trial orders ship from stock.
