NB
TK25 NB Self Aligning 25mm Ball Bushings Linear Motion - Made in Japan
TK25 NB TopBall Linear Bearing – Made in Japan
✔️ 25mm Bore - Ultra-Long Life & High Load Capacity
The TK25 NB is a premium TopBall linear motion bearing engineered by Nippon Bearing (NB) in Japan. With a 25mm shaft diameter and six precision ball circuits, it offers up to 3x the load and 27x the lifespan of standard linear bushings. Ideal for CNC machinery, robotics, automation equipment, and industrial systems that demand high accuracy and endurance.
✅ Shaft Diameter (ID): 25mm
✅ Outer Diameter (OD): 40mm
✅ Overall Length: 58mm
✅ Ball Circuits: 6 – maximizes load distribution
✅ Built-in Seals: Yes – shields against debris
✅ Material: Precision ground bearing steel
✅ Dynamic Load Rating: 3,780 N
✅ Static Load Rating: 4,720 N
✅ Brand: NB (Nippon Bearing)
✅ Origin: Made in Japan
✅ Quantity: 1 Bearing
Key Dimensions Table (mm):
| dr (ID) | D (OD) | L (Length) | B | W | D1 |
|---|---|---|---|---|---|
| 25 | 40 | 58 | 44.1 | 1.85 | 37.5 |
💡 Why choose a TopBall over a regular linear bushing?
TopBall linear bearings feature multiple recirculating ball circuits that deliver higher rigidity, smoother motion, and far longer service life. The result? Less maintenance and superior performance in demanding setups.
Level up your motion system with the TK25 - the go-to solution for precise, heavy-duty linear travel!