SKF 218992.30 Linear Actuators Catr 33X150X1/C12C 218992-30

( Brand: Skf ), ( Manufacturer Part Number: 218992.30 ), ( Model: SKF CATR 33X150X1/C 12C 218992.30 ), ( Part Type: Actuator Linear ), ( Voltage: 12v ), ( Actuation Force: 450 Lbs. ), ( Stroke Length: 6 Inch ), ( Country Of Origin: Sweden ), ( Rated Load: 450 Lbs. Push 780 Lbs. Static )

Review SKF Used Linear Actuators Catr 33x150x1/c12c

The **SKF 218992.30 Linear Actuator (CATR 33)** is a high-performance, precision-engineered linear motion component designed to deliver reliable, smooth, and repeatable linear displacement in demanding industrial applications. Part of SKF s advanced **CATR (Compact Actuator with Tapered Roller)** series, this actuator combines robust construction with compact dimensions, making it ideal for space-constrained environments where efficiency and durability are critical. With an outer diameter of **33 mm**, a stroke length of **150 mm**, and a load capacity of up to **12 kN (C12C rating)**, this actuator excels in applications requiring heavy-duty linear movement, such as automated machinery, material handling systems, medical equipment, and precision assembly lines.

The **218992.30** features a **tapered roller bearing design**, which ensures superior load distribution and minimizes friction, resulting in extended bearing life and reduced maintenance requirements. Its **compact yet sturdy housing** is constructed from high-quality steel, providing exceptional rigidity and resistance to wear, while the **sealed construction** protects internal components from contaminants like dust, moisture, and debris, enhancing reliability in harsh operating conditions. The actuator s **integrated thrust bearing** allows for bidirectional movement, accommodating both push and pull applications with equal precision, while its **low-friction design** ensures smooth operation even at high speeds or frequent cycling.

Engineered for versatility, this linear actuator is compatible with a wide range of mounting configurations, including flange, shaft, or direct integration into existing machinery. Its **standardized dimensions** (150 mm stroke) and **precise tolerances** make it easily adaptable to custom automation solutions, where consistency and repeatability are non-negotiable. The **C12C rating** signifies its ability to handle dynamic loads up to **12,000 Newtons**, making it suitable for applications involving heavy payloads, such as clamping, positioning, or indexing tasks. Additionally, the actuator s **low backlash design** ensures minimal positional error, which is essential for applications requiring high precision, such as CNC machines, robotic arms, or automated testing equipment.

SKF s reputation for innovation and engineering excellence is evident in the **218992.30**, which incorporates **advanced lubrication systems** to reduce wear and extend operational life. The actuator s **compact footprint** (150 mm stroke within a 33 mm diameter) optimizes space utilization in tight installations, while its **modular design** allows for easy integration with other SKF components, such as linear guides or ball screws, for comprehensive motion control solutions. Whether deployed in **automotive assembly lines, packaging machinery, or laboratory automation**, this actuator delivers **consistent performance, minimal downtime, and long-term cost efficiency**, making it a premium choice for engineers and designers seeking a balance of strength, precision, and reliability in linear motion applications.

### **Pros and Cons of Buying SKF 218992.30 Linear Actuator (CATR 33x150x1/C12C 218992-30)**

1. **High Quality and Reliability** SKF is a well-known brand in precision engineering, known for durable and high-performance linear actuators. This model is designed for industrial applications, ensuring long-term reliability under consistent use.

2. **Precision and Accuracy** The actuator is likely engineered for smooth, repeatable motion with minimal backlash, making it suitable for applications requiring precise positioning, such as automated machinery, conveyor systems, or robotic arms.

3. **Compatibility with SKF Bearings** Since SKF manufactures both the actuator and the bearings (C12C), there is a reduced risk of compatibility issues, ensuring smoother operation and easier maintenance.

4. **Modular and Customizable** The dimensions (33x150x1) suggest it may be part of a series that allows for integration into existing systems with minimal modifications. Some SKF actuators support customization in stroke length or mounting options.

5. **Low Maintenance Requirements** High-quality seals and lubrication systems in SKF products typically reduce wear and tear, leading to fewer maintenance interventions over time.

6. **Industrial-Grade Performance** The C12C designation indicates it may be designed for heavy-duty or continuous-duty applications, making it suitable for manufacturing, packaging, or material handling environments.

7. **Warranty and Support** SKF products often come with manufacturer warranties and access to technical support, which can be valuable for troubleshooting or replacements.

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1. **High Cost** SKF products are premium, and this actuator may be more expensive than generic or aftermarket alternatives. The price could be a significant investment, especially for small businesses or startups.

2. **Limited Availability of Spare Parts** While SKF parts are reliable, finding replacement components (e.g., seals, bearings) might be harder or more costly than for more widely available brands.

3. **Complex Installation** Due to its precision engineering, installation may require specialized tools, expertise, or calibration, potentially adding labor costs or downtime.

4. **Overkill for Light-Duty Applications** If the actuator is being used in a low-load or infrequent-use scenario, its robust design might be unnecessary, leading to wasted investment.

5. **Potential Learning Curve** Operating or maintaining SKF equipment may require training, especially if the user is unfamiliar with SKF s specific systems or documentation.

6. **Long Lead Times** Industrial-grade components from SKF may have longer delivery times compared to mass-produced alternatives, which could impact project timelines.

7. **Compatibility Challenges** While SKF components are designed to work together, integrating this actuator into a non-SKF system might require additional adapters or modifications, adding complexity.

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### **Conclusion**

The **SKF 218992.30 linear actuator** is an excellent choice for applications demanding **precision, durability, and reliability**, particularly in industrial settings where downtime and maintenance costs are critical. Its high-quality construction and compatibility with SKF s ecosystem make it a strong investment for long-term use in automated systems, material handling, or robotic applications.

However, the **higher upfront cost, potential complexity of installation, and limited availability of spare parts** may make it less ideal for **budget-conscious or low-load applications**. If the actuator is being purchased for a **high-demand, mission-critical system**, the benefits outweigh the drawbacks. For **less demanding or cost-sensitive projects**, a more affordable alternative (while still high-quality) might be preferable.

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### **Recommendation**

- You need a **long-lasting, high-precision actuator** for industrial automation, manufacturing, or robotic applications.

- Your system already uses **SKF components**, ensuring compatibility and ease of maintenance.

- Budget constraints are not a major concern, and the **ROI from reduced downtime and improved performance** justifies the cost.

- Your application has **low load requirements** or infrequent use, making a cheaper actuator sufficient.

- You require **faster delivery times** or easier access to spare parts, as generic brands may offer better availability.

- Your team lacks **experience with SKF products**, and training or support costs could add to the overall expense.

For most **high-reliability industrial applications**, the **SKF 218992.30 is a strong recommendation** due to its proven performance. However, always **compare total cost of ownership (TCO)** including maintenance, energy efficiency, and system integration before finalizing the purchase.

Details:

These actuators have a 6-inch stroke with built-in overload safety clutch. These units were removed from service and have cosmetic blemishes, scratches but do work. See the attached pictures for more detail. They operate on 12 volts DC.

This sale is for 2 SKF Linear Actuators, model CATR 33x150xi/c 12c. The specifications included in this sale are from the original manufacturers data when items were new.

part #: 21899230 prices

• $39.99-$59.99

specifications linactuat:

• brand: Skf
• mpn: 218992.30
• model: Skf Catr 33x150x1/c 12c 218992.30
• part type: Actuator Linear
• voltage: 12v
• actuation force: 450 Lbs.
• stroke length: 6 Inch
• country of origin: Sweden
• rated load: 450 Lbs. Push 780 Lbs. Static

offer linactuat:

• best offers: True
• availability: In Stock
• started: March 4, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home

payments linactuat:

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

general linactuat:

• Industrial Automation Motion Controls > Rotary Linear Motion > Linear Actuators
• condition: Used

shipping linactuat:

• type: Calculated
• transit: 3-7 Days
• carrier: FedEx, UPS
• class: Economy, Standard
• service: FedEx Ground Economy, UPS Ground Saver, UPS Ground
• cost: $13.82

seller linactuat:

• rating: 100.0%
• # reviews: 49
• city: Winona, Minnesota

returns linactuat:

• policy: No Returns

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