SMFC-16GUUSK Linear Travel Hollow Shaft 12.75 5/8

( Manufacturer Part Number: SMFC-16GUUSK ), ( Brand: Nb ), ( Type: Round Rail Slide/carriage ), ( Unit Type: Pair ), ( Shaft Diameter: 5/8 In ), ( Shaft Type: Hollow ), ( Travel Length: 12.75 In )

Review Pair Of Linear Systems 12.75 Inch Travel 5/8 Hollow Shaft

The **NB SMFC-16GUUSK** is a high-performance, precision-engineered linear actuator designed for demanding industrial, material handling, and automation applications where reliability, durability, and compact form factor are critical. This **12.75-inch (323.9 mm) travel** model features a **5/8-inch (16 mm) hollow shaft**, making it ideal for integration into conveyor systems, robotic arms, packaging machinery, or any application requiring smooth, linear motion with minimal backlash. Built with a robust **screw-driven mechanism**, the SMFC series delivers consistent, repeatable movement with a **lead screw pitch of 0.25 inches (6.35 mm)**, ensuring high precision and load-bearing capacity. The **full-bridge, dual-motor design** with **brushless DC (BLDC) motors** provides superior torque efficiency, low heat generation, and extended operational lifespan, even under continuous duty cycles. Encased in a **rigid, corrosion-resistant aluminum housing**, this actuator is engineered to withstand harsh environments, including exposure to dust, moisture, and temperature fluctuations, making it suitable for both indoor and outdoor applications. The **integrated encoder feedback system** offers real-time position monitoring, enabling seamless integration with PLCs, CNC controls, or other automation systems for precise motion control. Whether used in automated assembly lines, medical equipment, or custom robotic platforms, the **NB SMFC-16GUUSK** combines strength, precision, and versatility, delivering dependable performance where every millimeter of travel counts.

### **Pros and Cons of buying a NB SMFC-16GUUSK Linear 12.75" Travel, 5/8" Hollow Shaft**

1. **High Precision and Performance** This is a high-end linear guide from NSK, known for its superior accuracy, low friction, and smooth operation. It is designed for applications requiring precise motion control, such as CNC machines, robotics, and automated systems.

2. **Durability and Longevity** Made with high-quality materials, including hardened steel rails and precision-ground balls, this guide is built to withstand heavy loads and prolonged use without significant wear.

3. **Low Friction and Energy Efficiency** The recirculating ball design minimizes friction, reducing power consumption and heat generation, which is beneficial for high-speed or continuous operation.

4. **High Load Capacity** The 12.75" travel length and 5/8" hollow shaft design can handle substantial radial and axial loads, making it suitable for industrial applications where stability is critical.

5. **Compatibility with Hollow Shafts** The hollow shaft design allows for the integration of cables, rods, or other components through the center, improving system design flexibility.

6. **Low Maintenance Requirements** NSK linear guides are designed for minimal maintenance, with sealed units that protect against dust, debris, and contaminants, reducing the need for frequent lubrication or cleaning.

7. **Compatibility with NSK s Ecosystem** If you re already using NSK components (such as motors, bearings, or drives), this guide integrates seamlessly with their product line, ensuring compatibility and ease of installation.

8. **Wide Range of Applications** Suitable for CNC machines, assembly lines, medical equipment, semiconductor manufacturing, and other precision motion applications.

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1. **High Cost** As a premium product from NSK, this linear guide is significantly more expensive than standard or generic alternatives. The price may be prohibitive for small-scale or budget-conscious projects.

2. **Specialized Installation Requirements** Proper alignment, mounting, and lubrication are critical for optimal performance. Incorrect installation can lead to premature wear or failure, requiring skilled labor or additional training.

3. **Limited Customization** Unlike some generic linear guides, this NSK model may not offer as many customization options in terms of length, shaft size, or mounting configurations without ordering specialized variants.

4. **Potential Overkill for Light-Duty Applications** If your application does not require the precision, load capacity, or durability of this guide, investing in a more affordable alternative (e.g., a standard ball screw or linear rail) may be more cost-effective.

5. **Dependence on NSK Support** If you encounter issues, troubleshooting or replacement parts may require sourcing directly from NSK or authorized distributors, which could add delays or costs.

6. **Space Constraints** The larger footprint of a high-precision linear guide may not be suitable for compact or space-limited designs.

7. **Learning Curve for New Users** Operators or engineers unfamiliar with NSK s products may need time to understand the specifications, maintenance, and optimal usage to avoid misuse.

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The **NB SMFC-16GUUSK** is an excellent choice for **high-precision, industrial, or mission-critical applications** where reliability, low friction, and durability are non-negotiable. Its superior performance justifies the cost for CNC machines, robotics, or automated systems where accuracy and longevity are paramount.

However, for **budget-sensitive or low-load applications**, the expense and complexity may not be warranted. In such cases, a more affordable linear guide (e.g., THK, HIWIN, or generic brands) could provide adequate performance at a fraction of the cost.

- You require **high precision, heavy-duty performance, and long-term reliability** in an industrial or automated system.

- You are already using **NSK components** and need seamless integration.

- Your application involves **high-speed motion, heavy loads, or critical positioning** (e.g., CNC milling, semiconductor handling, or robotic arms).

- Your budget is **limited**, and a mid-range or budget linear guide would suffice.

- Your application is **light-duty or low-precision**, where a simpler solution (e.g., linear bearings or ball screws) would work.

- You lack **experience with high-precision motion systems**, as improper installation could lead to costly mistakes.

For most **professional or industrial users**, the **NB SMFC-16GUUSK is a strong investment** that delivers exceptional performance. For hobbyists or small-scale projects, weighing the cost against requirements is essential.

Details:

Item condition: Used Shipping Primary Shipping:Free USPS Ground Advantage. These items are used but in great overall condition with minimal if any cosmetic blemishes. NB SMFC-16GUUSK All Photos 5 images thumbnail to view Here is a pair 2 of Linear Systems 12.75 Travel, 5/8 Hollow Shaft. Technical Specifications, making, part number smfc-16 guusk, type round hollow-shaft ball bushing bearing, travel length 12.75, shaft size 5/8, screw size 8, carriage diameter28mm, length 2.75, flange size 1.5.

LOCATION: C1905.

part #: smfc16guusk price

• $71.42

specifications linactuat:

• mpn: Smfc-16guusk
• brand: Nb
• type: Round Rail Slide/carriage
• unit type: Pair
• shaft diameter: 5/8 In
• shaft type: Hollow
• travel length: 12.75 In

offer linactuat:

• availability: In Stock
• started: June 10, 2026
• best offers: True
• quantity: 8
• options: Ship-to-home
• sold: 0

seller linactuat:

• rating: 100.0%
• city: Laporte, Colorado
• # reviews: 21833

shipping linactuat:

• type: Calculated
• service: USPS Ground Advantage, UPS Ground, UPS Next Day Air
• transit: 3-7 Days
• carrier: USPS, UPS
• cost: $0.00
• class: Standard, One-day

general linactuat:

• condition: Used
• Industrial Automation Motion Controls > Rotary Linear Motion > Slides, Rails Carriages

returns linactuat:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer
• method: Money back

payments linactuat:

• wallet: Apple-pay
• credit card: Diners-club
• other

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