NB
NB SM30GUU 30mm Ball Bushing Linear Motion 30x45x64mm Ball Bearing Japan
SM30GUU Linear Slide Bush
✔️ Sealed Both Sides - NB Japan
The SM30GUU is a precision-grade linear slide bush from Nippon Bearing (NB Linear Systems), made in Japan. Built with a resin retainer and seals on both sides, this bearing is designed for smooth, accurate motion in automation, machinery, and precision setups. Commonly used in the USA, it features six ball circuits for balanced load distribution and long service life.
✅ Type: Linear slide bush, sealed both sides
✅ Brand: NB (Nippon Bearing Linear Systems), Japan
✅ Inner Diameter (dr): 30mm
✅ Outer Diameter (D): 45mm
✅ Length (L): 64mm
✅ Ball Circuits: 6
✅ Retainer Material: Resin
✅ Dynamic Load Rating Cr: 1570 N
✅ Static Load Rating Cor: 2740 N
✅ Quantity: 1 Bearing
Major dimensions and tolerances (mm):
| dr | D | L | B | W | D1 | Precision (eccentricity) | High (eccentricity) | Radial Clearance |
|---|---|---|---|---|---|---|---|---|
| 30 | 45 | 64 | 44.5 | 43 | 10/15 | 0-7 / 0-10 | 0-16 | 1.85 / -8 |
💡 Why choose linear slide bushes with double seals?
Sealed linear bushes are engineered for durability in real-world conditions.
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Keep out dust, chips, and debris to extend service life
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Maintain smooth travel with consistent lubrication
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Deliver accurate, stable motion in CNCs, automation lines, and robotics
Upgrade your linear motion setup with the SM30GUU - a high-precision, sealed NB Japan slide bush built for lasting accuracy and protection.