INA 017-879-612 Linear Roller Bearing Carriage RWU45-E-V3 LOT/2

( Brand: Ina ), ( Manufacturer Part Number: 017-879-612 ), ( Model: RWU45-E-V3 017-879-612 ), ( Part Type: Roller Bearing Linear ), ( Country Of Manufacture: France )

Review INA Linear Roller Bearing Carriage Pair Lot/2

The **INA 017-879-612 RWU45-E-V3 Linear Roller Bearing Carriage** is a high-performance, precision-engineered component designed for demanding applications requiring smooth, low-friction motion in linear guidance systems. Part of FAG s (now part of Schaeffler Group) renowned RWU series, this carriage features a robust **four-row cylindrical roller bearing arrangement** that ensures exceptional load-carrying capacity and stability, making it ideal for heavy-duty machinery, industrial automation, and high-speed production lines. The **RWU45-E-V3** variant incorporates a **dual-row design with a cross-roller configuration**, which distributes radial and axial loads evenly across the bearing surface, minimizing deflection and wear while maintaining consistent positioning accuracy. Constructed from high-grade **chromium steel** and precision-ground to tight tolerances, the bearing carriage delivers superior durability and longevity, even under fluctuating operational conditions.

This linear bearing carriage is engineered with a **modular design**, allowing for seamless integration into existing or custom-built guidance systems. The **integrated guide rail interface** ensures perfect alignment with complementary RWU45 series rails, providing a stable and repeatable motion path with minimal play. The **sealed housing** protects internal components from contaminants such as dust, chips, and moisture, extending the bearing s operational life and reducing maintenance requirements. Additionally, the **low-friction cylindrical roller design** reduces energy consumption and heat generation, contributing to smoother operation and reduced thermal expansion critical factors in high-precision applications like CNC machining, robotics, or packaging equipment.

The **V3 variant** further enhances performance with optimized **preload adjustment capabilities**, allowing for fine-tuning of stiffness and backlash to meet specific application demands. Whether used in **horizontal or vertical orientations**, this carriage excels in applications requiring **high dynamic loads, rapid acceleration/deceleration, or precise repeatability**, such as in conveyor systems, medical equipment, or automated assembly lines. Its **compact yet robust construction** maximizes space efficiency while delivering unmatched reliability, making it a preferred choice for engineers seeking a balance between performance, durability, and ease of installation. With a **lot size of 2**, this unit ensures consistency in quality and performance, ideal for prototyping, small-scale production, or backup inventory.

### **Pros and Cons of buying a INA 017-879-612 RWU45-E-V3 Linear Roller Bearing Carriage (Lot/2)**

1. **High Load Capacity** The RWU45 series is designed for heavy-duty applications, making it suitable for industrial machinery, CNC machines, and automated systems where precision and durability are critical.

2. **Low Friction and Smooth Operation** Roller bearings reduce friction compared to ball bearings, leading to smoother movement and less wear over time.

3. **Precision Engineering** INA (part of the Schaeffler Group) is a reputable manufacturer known for high-quality bearings with tight tolerances, ensuring consistent performance.

4. **Compatibility with Linear Guides** The carriage is designed to work seamlessly with linear rails (e.g., INA RWU45), providing stable and repeatable motion.

5. **Long Service Life** Properly maintained, these bearings can last for years in demanding environments, reducing downtime and replacement costs.

6. **Standardized Design** The part number follows industry standards, making it easier to find replacement components or technical support if needed.

7. **Versatile Applications** Suitable for both horizontal and vertical setups in machining, robotics, and material handling systems.

8. **Pre-lubricated Option** Some variants may come with factory grease, reducing initial maintenance requirements.

1. **High Initial Cost** Compared to lower-end bearings, INA s premium quality comes with a higher upfront price, which may be a barrier for small businesses or hobbyists.

2. **Specialized Maintenance** Requires proper lubrication and periodic inspection to prevent premature failure, especially in dusty or contaminated environments.

3. **Limited Availability of Spare Parts** While INA is well-known, sourcing exact replacements (e.g., seals, rollers) may be challenging if the original supplier is unavailable.

4. **Installation Complexity** Improper mounting can lead to misalignment or premature wear. Requires precise alignment with the linear rail system.

5. **Weight** The heavy-duty design means the carriage itself adds significant weight to the system, which may impact overall machine dynamics.

6. **Potential for Contamination** In dirty or unprotected environments, debris can enter the bearing, accelerating wear and reducing lifespan.

7. **Compatibility Issues** If the linear rail system is not properly matched (e.g., incorrect preload or spacing), performance may suffer.

8. **Warranty Limitations** Standard warranties may not cover damage from misuse or improper installation, requiring careful handling.

---

### **Conclusion**

The **INA 017-879-612 RWU45-E-V3 linear roller bearing carriage** is a high-performance component ideal for industrial applications where reliability, precision, and durability are paramount. Its advantages in load capacity, smooth operation, and longevity make it a strong choice for CNC machines, robotics, and automated systems. However, the higher cost, maintenance requirements, and potential installation challenges mean it may not be the best fit for budget-conscious or low-tolerance applications.

For **industrial users with demanding requirements**, this bearing is a **strong recommendation** due to its proven track record. For **small-scale or cost-sensitive projects**, alternatives like lower-cost ball bearings or basic linear slides might be more practical, provided the application does not demand the same level of precision or load-bearing capacity.

- **Buy if:** You need a robust, long-lasting solution for heavy-duty linear motion in industrial or precision machining applications.

- **Avoid if:** Your budget is limited, or the application involves light loads where a simpler bearing would suffice.

- **Consider alternatives if:** You require a lower-cost option (e.g., NSK, SKF, or aftermarket bearings) or need easier maintenance. Always verify compatibility with your existing rail system before purchasing.

Details:

Next Day Second Air Services are available. We choose the carrier. Your phone number and business name.

After the return period has ended, you can no longer product. Country of Manufacture: France. All goods are so AS IS' and WITH ALL FAULTS meaning, without limitation, that. Condition: Used.

Items in Lot: Weight lbs, oz: 14. Consignee: B. Model: RWU45-E-V3 017-879-612.

Will there be a dock or forklift. LOCAL PICK-UP, Prefer to pick it up yourself. DOMESTIC SHIPPING: The shipping price is shown for US lower 48 states. Need it urgently.

part #: 017879612 prices

• $400.00-$599.99

specifications linactuat:

• brand: Ina
• mpn: 017-879-612
• model: Rwu45-e-v3 017-879-612
• part type: Roller Bearing Linear
• country of manufacture: France

returns lInactuat:

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

general lInactuat:

• Industrial Automation Motion Controls > Rotary Linear Motion > Linear Bearings Bushings
• condition: Used

payments lInactuat:

• other
• wallet: Google-pay
• credit card: Discover

offer lInactuat:

• best offers: True
• options: Ship-to-home
• started: February 13, 2026
• sold: 0
• quantity: 1
• availability: In Stock

seller lInactuat:

• city: Middlebury, Indiana
• # reviews: 62126
• rating: 99.8%

shipping lInactuat:

• type: Fixed
• transit: 5-11 Days
• carrier: USPS
• service: USPS Priority Mail
• cost: $21.99
• class: Expedited

Ina 017-879-612 Is Similar To:

• 87t05 F-300893-11 V2-a Ina Lot Of Bearings Cnc Linear Slide Rails (27.1% similar) 00PRECISION products E99-001, 3 Nan table surgical operating f us now fluke trend b clock ram T13140 1,000. 00LOT of 500 250LDB, 022806, MSD28774, 21AA13C PCB boards T75498 us 1,000. working pneumatic slighting laser material handling packing more industrial equipment electrical equipment tools...(November 13th, 2018)
• Ay20nppb Ina Bore Ball Bearing Insert New (34.9% similar) Using the ask a question link at end of this item or by ing on our username surplus and there. Prices for these options may differ from standard ground shipping. Condition: new Ina AY20NPPB, 20MM bore ball bearing insert. If you require an alternate shipping method, please using the ask a question ...(March 14th, 2018)
• F-604362 Rwu25-e-l 0377315 Ina Trumpf New Runner Block Linear Roller Ball Bearing Carriage (54.4% similar) The runner block ball carriage is new never used in original box. You are buying on a new Ina Trump f RWU25-E-L runner block linear roller ball bearing carriage. This item will come as pictured...(June 24th, 2018)
• Gbo 25as Ina Linear Bearing Block With Kbo Pp As Item (39.7% similar) Ina gob 25AS linear bearing block see photos for detailed information. People also search for Ina, bearing, linear bearing. Most items are bench tested where applicable...(April 9th, 2018)
• Gr6-500 Ina Schaeffler Linear Rails (31.1% similar) Item name Ina shuffler linear rails GR6-500 lot of 12 includes: all included materials fittings, manuals, etc...(February 7th, 2018)
• Gtb020 Ina Lot Of Bearings Cnc Linear Slide Rails (30.8% similar) 00LOT of 200 D55342K07B1E21R, F15-C01-B05 fixed film resistors T59316 us now lot 4 Ina GTB020 bearings w '' CBC linear slide rails warranty used pulled from working equipment includes four and two inch reference number T36741 estimated shipping weight 30. 00RAYCHEM 55PC2212-20-9-9CS2573, multi-...(November 12th, 2018)
• J4 300893 G1v2 Ina Lot Of Bearings Cnc Linear Slide Rails (28.8% similar) 00METTLER Toledo 13616300A service lab T107551 us now lot of 500 250LDB, 022806, MSD28774, 21AA13C PCB boards T75498 1,000. 00FLUKE trend b serialize T13172 1, estimated shipping dimensions 66. 00RAYCHEM 55PC2212-20-9-9CS2573, multi-conductor cable, 20 wag, 4902 ft us now lot of 300 Marta 3 V250H, ...(May 4th, 2018)
• Kb 50100 Pp Ina Linear (22.2% similar) ...(November 5th, 2017)
• Kb0-2048 Ina Lot Of Bearings Cnc Linear Slide Rails (30.3% similar) 00FLUKE trend b clock ram T13140 1,000. working pneumatic slighting laser material handling packing more industrial equipment electrical equipment tools heating cooling motors transmissions plastic process equip. 00LOT of 2000 Tao-saw technology test TV0119A ICC, CO, dam, AMD, 50 ohms emir ...(November 12th, 2018)
• Kh16-b Ina Linear Bearing (38.7% similar) Some exceptions may apply. Ina KH16-B linear bearing condition: new, in box package new, no used, pulled from working application but good condition. Note: on items marked free shipping, shipping only applies to the 48 continental USA...(November 7th, 2018)
• Kh25-b Ina Linear Bearings (38.3% similar) Ina linear BEARINGKH25-BNEW older stock, never used fast free shipping...(September 19th, 2018)