NA4911 Needle Roller Bearing 55x80x25mm - Machined Type
UPC: 00193019212776
Type: Needle Roller Bearing
Dimensions: 55mm x 80mm x 25mm/Metric
ID (inner diameter)/Bore: 55mm
OD (outer diameter): 80mm
NA4911 Machined Needle Roller Bearing - With Inner Ring
✔️ 55mm ID x 80mm OD x 25mm Wide - Complete Assembly
The NA4911 is a heavy-duty machined needle roller bearing designed to handle high radial loads in compact spaces. It includes both the inner ring (cone) and outer ring, making it ideal for applications where the shaft surface isn’t hardened. Perfect for gearboxes, automotive systems, and industrial drives. Sold as one complete bearing.
✅ Inner diameter: 55mm
✅ Outer diameter: 80mm
✅ Width: 25mm (inner and outer ring)
✅ Complete with inner ring included
✅ Machined type for precision fit and strength
✅ Dynamic load rating: 5,870 kgf
✅ Static load rating: 9,920 kgf
✅ Pack size: 1 bearing
Dimensions Table (in mm):
| Inner Diameter | Outer Diameter | Width |
|---|---|---|
| 55 mm | 80 mm | 25 mm |
💡 Why use a machined needle roller bearing with an inner ring?
They’re a smart pick when shaft surfaces aren’t suitable for direct rolling contact.
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Inner ring included for precise, controlled fit
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Compact design handles high radial loads
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Great for gearboxes, transmissions, and industrial shafts
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No need to harden or grind shaft surface
Strong, compact, and ready to roll, choose the NA4911 bearing when your application demands both power and precision.