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| Place of Origin: | China |
| Brand Name: | OEM |
| Certification: | ISO 9001 2000 |
| Model Number: | NA6909 |
The NA6909 is a heavy-duty double-row needle roller bearing measuring 45 × 68 × 40 mm. Featuring machined rings, an integrated inner ring and high radial load capacity, it delivers excellent rigidity and reliable performance in demanding operating conditions. It is ideal for industrial gearboxes, automotive transmissions, agricultural machinery and heavy-duty equipment.
| Item | Specification |
|---|---|
| Bearing Model | NA6909 |
| Bearing Type | Needle Roller Bearing |
| Structure | Double Row |
| Inner Ring | With Inner Ring |
| Bore Diameter (d) | 45 mm |
| Raceway Diameter (Fw) | 52 mm |
| Outside Diameter (D) | 68 mm |
| Total Width (B) | 40 mm |
| Roller Type | Cylindrical Needle Rollers |
| Cage Material | Steel |
| Bearing Material | Bearing Steel |
| Sealing | Open |
| Dynamic Load Rating (Cr) | 70.4 kN |
| Static Load Rating (C0r) | 137 kN |
| Reference Speed | 7,500 rpm |
| Limiting Speed | 8,500 rpm |
| Weight | Approx. 0.495 kg |
| Model | Bore (d) | Outer Diameter (D) | Width (B) |
|---|---|---|---|
| NA6901 | 12 | 24 | 22 |
| NA6902 | 15 | 28 | 23 |
| NA6903 | 17 | 30 | 23 |
| NA6904 | 20 | 37 | 30 |
| NA6905 | 25 | 42 | 30 |
| NA6906 | 30 | 47 | 30 |
| NA6907 | 35 | 55 | 36 |
| NA6908 | 40 | 62 | 40 |
| NA6909 | 45 | 68 | 40 |
| NA6910 | 50 | 72 | 40 |
If you want to buy the NA6909 Double Row Needle Roller Bearing, just contact us. We are a professional supplier of CPM series cylindrical roller bearings.
Email: sales@transmission-chain.com
WhatsApp: 008615006175975
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