NB SM40GUU linear slide bush ball bearing with 40mm bore, high accuracy linear motion bearing with seals on both sides, resin retainer, made in Japan by NB Linear Systems, designed for smooth precise linear movement in industrial automation

SM40GUU Linear Slide Bush Ball Bearing for 40mm Shaft
✔️ NB Linear Systems Sealed Slide Bush Made in Japan

This linear slide bush is designed for smooth, accurate linear motion on a 40mm shaft. It’s commonly used in automation equipment, CNC machines, industrial fixtures, and linear positioning systems where stability, repeatability, and low friction matter.

Pack size: 1 linear slide bush.

✅ Linear slide bush with seals on both sides
✅ Shaft diameter is 40 mm
✅ High accuracy grade linear motion bearing
✅ Six ball circuits for smooth load distribution
✅ Resin retainer for low noise and steady travel
✅ Designed for long service life in linear motion systems
✅ Manufactured by NB Linear Systems in Japan
✅ Commonly used in USA standard linear setups

Load Ratings
All values shown in metric units

Dynamic Load Cr 2160 N
Static Load Cor 4020 N

Major and Mounting Dimensions
All dimensions shown in millimeters

dr 40.0
D 60.0
L 80.0
B 60.5
W 2.1
D1 57.0

Precision and Fit
All values shown in millimeters

Shaft Tolerance 0 to -8
Outer Diameter Tolerance 0 to -12
Length Tolerance 0 to -19
Housing Tolerance 0 to -0.3

💡 Why are sealed linear slide bushings used in industrial motion systems?
Sealed linear slide bushings are used when smooth travel and long-term reliability are required in demanding environments.

• Seals help keep dust and debris away from the ball circuits

• Multiple ball paths improve load handling and motion stability

• Precision construction supports repeatable positioning over time

This SM40GUU slide bush is a handy choice for achieving clean, accurate linear motion and dependable performance in heavy-duty automation and industrial applications.