NB SM20UU Linear Ball Bushing - 20mm Slide Bush for Linear Motion Applications

NB SM20UU Linear Ball Bushing - 20mm Slide Bush for Linear Motion Applications

The NB SM20UU is a high-performance linear ball bushing engineered for use in 20 mm linear motion shaft systems. This component is part of NB's globally respected range of precision slide bushes, designed to deliver exceptionally smooth, low-friction linear travel in high-accuracy machinery.

Equipped with double rubber seals ("UU" type), the bearing offers superior protection against dust and contaminants, extending the service life of both the bushing and the shaft. Manufactured by Nippon Bearing (NB), a leading name in linear motion technology, this product guarantees consistency, reliability, and reduced maintenance in both OEM and retrofit applications.

Technical Specifications

• Model: NB SM20UU

• Inner Diameter: 20 mm

• Outer Diameter: Standard type for linear housings

• Length: Compact design (refer to NB catalog)

• Design: Recirculating ball type slide bush

• Seals: Double-sealed (UU) - both ends

• Cage: Resin or steel (depending on spec)

• Material: Hardened outer sleeve and steel balls

• Mounting Style: Press fit or open block compatible

Typical Applications:

• CNC routers, mills, and lathes

• 3D printers and plotters

• Robotics and pick-and-place units

• Medical and laboratory equipment

• Packaging and labeling systems

• Automated assembly lines

• General-purpose linear guides

Warehouse: Smoluchowskiego 1, Building 4, Lublin, Poland

🚚 24h Delivery - Nationwide and International Shipping

FAQ - Frequently Asked Questions

What is the NB SM20UU used for?
It is used in linear motion systems where smooth, precise movement along a 20 mm shaft is required.

What does "UU" mean?
"UU" means the bearing is double-sealed to protect against dust, dirt, and moisture from both sides.

Is this compatible with open linear housings?
Yes, it fits most open or closed linear bearing housings designed for 20 mm shaft diameters.

Do you offer bulk pricing or wholesale?
Yes, simmering.pl is a B2B supplier - contact us for quantity-based pricing and trade offers.

Is this an original NB (Nippon Bearing) product?
Yes, we guarantee original NB components with verified specifications and documentation.

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