NB
KBS25G-OP NB Open 25mm Ball Bushing Linear Motion Bearing
KBS25G-OP NB Linear Ball Bushing - Open Type Slide Unit
✔️ 25mm Shaft Diameter - 5 Ball Circuits - Made in Japan
The KBS25G-OP is an open-type linear ball bushing from NB (Nippon Bearing), engineered for precise, low-friction linear motion. Designed to fit 25mm shafts and compatible with shaft supports, this unit is corrosion-resistant and features a resin retainer for quiet, smooth operation. Ideal for CNC systems, factory automation, and high-performance linear guides.
✅ Shaft compatibility: 25mm diameter
✅ Type: Open-type linear ball bushing
✅ Brand: NB (Nippon Bearing - Made in Japan)
✅ Retainer material: Resin for quieter operation
✅ Ball circuits: 5 for even load distribution
✅ Anticorrosion design - great for demanding environments
✅ Quantity: 1 bearing
✅ Dynamic load rating (Cr): 980 N
✅ Static load rating (Cor): 1570 N
Major Dimensions (mm):
| Symbol | Value | Tolerance |
|---|---|---|
| dr | 25 | 11-1 |
| D | 40 | 0-11 |
| L | 58 | 0-0.3 |
| B | 44.1 | 0-0.3 |
| W | 1.85 | - |
| D1 | 37.5 | - |
| h | 10 | - |
💡 Why choose an open-type linear bushing like the KBS25G-OP?
It works with supported shafts to prevent deflection over long strokes and offers stable, smooth guidance.
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Designed for high-precision linear motion
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Open design accommodates shaft supports (rail blocks)
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Resin retainer reduces noise and wear
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Widely used in U.S. automation and manufacturing systems
Need precision linear guidance with a reliable Japanese build? Drop this into your system and glide with smooth, supported motion!