Nachi
NJ308EG Nachi Cylindrical Roller Bearing 40x90x23mm Japan Made
NJ308EG Nachi Cylindrical Roller Bearing 40x90x23mm Japan Made
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NJ308EG Nachi Cylindrical Roller Bearing
✔️ 40mm x 90mm x 23mm – Nylon Cage – Made in Japan
The NJ308EG is a high-load cylindrical roller bearing designed for efficient radial load handling in high-speed applications. Manufactured in Japan by Nachi, it features a durable nylon cage and an NJ configuration, allowing axial displacement in one direction. Perfect for motors, gearboxes, and machine tool spindles where precision and performance matter.
✅ Type: Cylindrical roller bearing – NJ configuration
✅ Brand: Nachi – Made in Japan
✅ Cage Material: Nylon (polyamide resin)
✅ Inner Diameter: 40mm
✅ Outer Diameter: 90mm
✅ Width: 23mm
✅ Dynamic Load Rating: 83,000 N
✅ Static Load Rating: 81,500 N
✅ Max Grease Speed: 6,700 RPM
✅ Max Oil Speed: 8,000 RPM
✅ Pack Size: 1 bearing
Dimensions Table:
| Spec | Value | 
|---|---|
| ID (Bore) | 40mm | 
| OD | 90mm | 
| Width | 23mm | 
| Cage Material | Nylon | 
| Configuration | NJ (single-direction axial load capability) | 
| Dynamic Load | 83,000 N | 
| Static Load | 81,500 N | 
| Max Grease Speed | 6,700 RPM | 
| Max Oil Speed | 8,000 RPM | 
💡 Why choose an NJ-style cylindrical roller bearing?
NJ bearings are designed with a flange on the outer ring and a detachable inner ring, allowing them to handle heavy radial loads and limited axial loads in one direction. They’re ideal for applications requiring precision and high-speed stability.
For strong radial support and smooth high-speed operation - drop the NJ308EG into your system and let Japan’s quality roll!
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