NB
LMB487296 Linear Motion Ball Bushing – 3" Bore x 4 1/2" OD x 6" Long
LMB487296 Linear Motion Ball Bushing – NB Nippon Bearing
✔️ 3" Bore x 4 1/2" OD x 6" Long – Made in Japan
The LMB487296 is a high-precision linear motion ball bushing manufactured by NB (Nippon Bearing Linear Systems), made in Japan. Engineered for smooth, low-friction linear travel, this bearing features a 3" inner diameter and is designed for use with precision shafts in industrial automation, CNC systems, and heavy-duty linear motion setups.
✅ Size: 3" (ID) x 4 1/2" (OD) x 6" (Length)
✅ Inner diameter: 3"
✅ Outer diameter: 4.5"
✅ Length: 6"
✅ Material: Steel retainer
✅ Type: Precision linear ball bushing
✅ Brand: NB (Nippon Bearing)
✅ Country of origin: Japan
✅ Number of ball circuits: 6
✅ Quantity: 1 bearing
✅ Dynamic load rating: 7,350 N
✅ Static load rating: 16,000 N
Major Dimensions and Tolerances (Inches):
| dr | D | L | D1 | Eccentricity | Radial Clearance |
|---|---|---|---|---|---|
| 3" | 4.5" | 6" | 4.726" | 0.12 | .0007–.0010 (Precision) / .0017–.0035 (High) / .0008–.0020 (Standard) |
💡 Why choose a high-accuracy NB linear bushing for motion systems?
NB bushings offer extremely tight tolerances and consistent ball circulation, delivering reliable linear guidance and minimal play - ideal for applications requiring repeatable precision, like CNC machining or automated assembly lines.
Built for high loads and smooth travel - trust LMB487296 to keep your linear motion running like a dream!