STAR 1651-811-812-813-814-10 Linear Ball Bearing Block Spring

( Brand: Star ), ( Manufacturer Part Number: 1651-811-812-813-814-10 ), ( Part Type: Bearing Spring Linear Block )

Review STAR Size Linear Ball Bearing Block Spring

This product is a high-performance **linear ball bearing block assembly**, specifically model **STAR 1651-811-812-813-814-10**, designed for precision motion control applications requiring smooth, low-friction movement along a guide rail. Engineered with a robust **open-type design**, this bearing block features a **10mm ball diameter** and is built to accommodate a **16mm wide rail**, ensuring stable operation under moderate to heavy loads while minimizing wear. The block incorporates **four rows of recirculating ball bearings** arranged in a cross configuration, which distributes the load evenly across the rail, reducing friction and extending the lifespan of both the bearing and the guide system. The **spring-loaded preload mechanism** (integrated as part of the 811-814 sub-assembly) provides consistent axial tension, eliminating backlash and ensuring precise positioning, which is critical in applications such as CNC machines, automated assembly lines, or high-precision robotics. Constructed from **high-quality steel**, the bearing block is heat-treated for durability and corrosion resistance, while the **ceramic or hardened steel balls** enhance wear resistance and reduce the risk of contamination in cleanroom environments. The **sealed design** minimizes the ingress of dust, debris, or lubricant loss, making it suitable for both indoor and outdoor applications where environmental factors could otherwise compromise performance. Whether used in linear slides, conveyor systems, or custom machinery, this bearing block delivers **superior load capacity, smooth operation, and long-term reliability**, making it an ideal choice for engineers and manufacturers seeking a balance of performance and cost-effectiveness in their motion control solutions.

**Pros and Cons of buying a Star 1651-811-812-813-814-10 (20 Linear Ball Bearing Block with Spring)**

### **Pros**

1. **High Load Capacity** The 20-series linear ball bearing block is designed to handle moderate to heavy axial and radial loads, making it suitable for applications requiring stability and durability.

2. **Low Friction** Ball bearings reduce friction compared to plain bearings, improving efficiency and extending the lifespan of the system.

3. **Precision Guidance** The integrated ball recirculation system ensures smooth, accurate linear motion, which is critical for automated machinery, CNC systems, or assembly lines.

4. **Spring-Integrated Design** The built-in spring provides preloading, reducing backlash and improving rigidity, which is beneficial for applications requiring consistent positioning.

5. **Compatibility with Star Linear Rails** This block is part of Star s modular system, meaning it can be easily integrated with other Star components like rails, covers, and seals for a complete solution.

6. **Corrosion Resistance** If the block is made from stainless steel or treated with protective coatings, it offers better resistance to moisture, dust, and chemicals compared to standard steel.

7. **Cost-Effective for Medium-Duty Applications** While not as robust as heavy-duty options, it provides a balance between performance and price for many industrial and machine tool applications.

8. **Easy Installation** The standard mounting holes and alignment features simplify integration into existing designs.

9. **Long Service Life** Properly lubricated and maintained, these blocks can last for years, reducing downtime and replacement costs.

10. **Wide Availability** As a common industrial component, spare parts and technical support are readily accessible.

---

### **Cons**

1. **Limited Load Rating** The 20-series is not designed for extremely high loads (e.g., heavy presses or high-speed applications). For such cases, a 30-series or 40-series block may be more appropriate.

2. **Sensitivity to Misalignment** If the rails or mounting surface are not perfectly aligned, the block may experience increased wear or premature failure.

3. **Lubrication Requirements** While low-friction, these blocks still require periodic lubrication (e.g., grease or oil) to prevent wear. Neglecting maintenance can lead to failure.

4. **Not Ideal for High-Speed Applications** The spring and ball bearings may generate noise or vibration at very high speeds, limiting suitability for high-performance systems.

5. **Limited Temperature Range** Most standard linear bearing blocks operate effectively within a moderate temperature range (typically -10 C to 100 C). Extreme temperatures can degrade lubricants or materials.

6. **Potential for Contamination** Dust, debris, or moisture entering the bearing can cause premature wear. Sealing options (e.g., covers) are necessary for dirty or exposed environments.

7. **Higher Initial Cost Than Plain Bearings** While cost-effective for many applications, they are more expensive than simple bushings or plain bearings for low-load tasks.

8. **Spring Preload Can Be a Drawback** While beneficial for rigidity, excessive preload can increase friction and energy consumption in some applications.

9. **Limited Customization** Unlike some high-end bearing systems, this block has fixed dimensions and may not accommodate non-standard mounting or space constraints.

10. **Dependence on Quality of Installation** Poor alignment, insufficient lubrication, or incorrect mounting can nullify the benefits and lead to failure.

---

### **Conclusion**

The **Star 1651-811-812-813-814-10 (20-series linear ball bearing block with spring)** is a **reliable, mid-range solution** for applications requiring smooth, low-friction linear motion with moderate load capacity. It excels in **automation, machine tools, conveyor systems, and light to medium-duty industrial equipment** where precision and durability are priorities. However, it is **not suitable for extreme loads, high speeds, or harsh environments** without additional protection (e.g., seals, covers, or lubrication systems).

For **light-duty or cost-sensitive applications**, alternatives like plain bearings or lower-series blocks (e.g., 10-series) may suffice. For **heavy-duty or high-performance needs**, upgrading to a 30-series or 40-series block or even a recirculating ball bush would be advisable.

---

### **Recommendation**

- Your application involves **moderate axial/radial loads** (e.g., CNC tables, robotic arms, assembly lines).

- You need **low friction and smooth motion** without excessive maintenance.

- You are working within **Star s modular system** and require compatibility with their rails and accessories.

- The environment is **clean and controlled**, or you can implement proper sealing and lubrication.

- Your application involves **extreme loads, high speeds, or frequent starts/stops** (consider a 30-series or recirculating ball bush).

- The operating environment is **highly contaminated, corrosive, or temperature-extreme** (opt for sealed or specialty bearings).

- You are on a **tight budget for low-load applications** (plain bearings or 10-series blocks may suffice).

- You require **custom dimensions or non-standard mounting** (this is a standard off-the-shelf part).

- Proper **lubrication** (e.g., Star s recommended grease).

- **Sealing covers** (e.g., Star 1651-815 or 816) if operating in dirty environments.

- **Alignment tools** to ensure precise mounting on rails.

- **Regular maintenance checks** to monitor wear and lubrication.

For long-term reliability, **verify the exact load conditions, speed, and environmental factors** before finalizing the purchase. If in doubt, consult Star s technical documentation or a bearing specialist to confirm compatibility.

Details:

Multiple rows of recirculating ball bearings. After the return period has ended, you can no longer product. Will there be a dock or forklift. All goods are so AS IS' and WITH ALL FAULTS meaning, without limitation, that.

Shows normal signs of usage. Need it urgently. Pre-drilled and threaded mounting holes. Items in Lot: 1.

We choose the carrier. LOCAL PICK-UP, Prefer to pick it up yourself. Weight lbs, oz: 1.

Integrated spring mechanism. Country of Manufacture: N/A. Next Day Second Air Services are available. Model: 1651-811-812-813-814-10.

Consignee: B. Condition: Used. Your phone number and business name. Size 20 linear carriage.

part #: 165181181281381410 price

• $74.99

specifications linactuat:

• brand: Star
• mpn: 1651-811-812-813-814-10
• part type: Bearing Spring Linear Block

offer linactuat:

• availability: In Stock
• options: Ship-to-home
• Started: March 9, 2026
• quantity: 2
• sold: 0

shipping linactuat:

• carrier: USPS
• service: USPS Priority Mail
• cost: $13.99
• transit: 3-8 Days
• type: Fixed
• class: Expedited

returns linactuat:

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

seller linactuat:

• # reviews: 62974
• city: Middlebury, Indiana
• rating: 99.8%

payments linactuat:

• credit card: Mastercard
• other
• wallet: Apple-pay

general linactuat:

• condition: Used
• Industrial Automation Motion Controls > Rotary Linear Motion > Lead, Ball Roller Screws

Star 1651-811-812-813-814-10 Is Similar To:

• 0670-130-40 Star Rexroth Linear Super Ball Bushing Bearing Germany (41.4% similar) This has never been used and is wrapped in its original shrink wrap. Up for sale is a brand new linear bushing. Its Styrofoam case shows some wear but the bushing is completely undamaged. Please feel free to with any questions...(July 23rd, 2018)
• 0670-250-40 Star Rexroth Super Linear (27% similar) Star regrowth super linear bushing new...(October 9th, 2017)
• 0750-208-00 Star Linear Bearing (36.2% similar) ...(May 6th, 2018)
• 0753-208-30 Star Linear Bushing (30.5% similar) Shaft diameter: AOL: 1-1 4 OD. 25 41B this item is surplus stock in like new condition...(April 26th, 2018)
• 1085-630-20 Bosch Rexroth Star Linear (19.8% similar) Bosch regrowth Star linear bearing block set new, unused surplus in open factory box...(December 14th, 2017)
• 1140-260-00 Star Linear Rexroth Lm4367 (32.1% similar) After the return period has ended, you can no longer product. Domestic shipping price is shown for us lower 48 states. We choose the carrier. We get hundreds of items in daily, if don't have it today check back tomorrow. height : 9 in. Need it urgently. Next day second air services are available. ...(April 11th, 2017)
• 1512-3-1014 Star Ball Ab Screw (42.3% similar) Larger packages up to 150 lbs. Industrial parts r us inc. All smaller items 70 lbs. Otherwise industrial parts r us inc. This is not always the case but has happened in past. Next day service is available if order placed by 3:30 PO. And under ship USPS priority mail. Industrial parts r us, inc...(October 25th, 2017)
• 1532-4-6025 Star In Ball Screw Bearing (33.9% similar) 00LOT of 300 Marta 3 V250H, mount memory protection battery T90203 1,900. 00LOT of 500 250LDB, 022806, MSD28774, 21AA13C PCB boards T75498 us x 17. 00LOT of 300 Marta 3 V250H, mount memory protection battery T90203 us working pneumatic slighting laser material handling packing more industrial ...(February 28th, 2019)
• 1622-293-294-10 Star Linear Bearing Block Runner (57.4% similar) So you can feel confident are getting the best and pictures of items as possible...(March 26th, 2018)
• 1622-714-10 Star Rexoth Linear Motion Technology Runner Rail New (37.7% similar) Star Rex linear motion technology runner block ball rail - new...(August 27th, 2018)
• 1624-332-10 Bosch Rexroth Star Linear (28.8% similar) Regrowth Star bosch linear motion bearing block R16932035...(August 17th, 2017)