1. Motorcycle Engine Bearings For Sale
  2. sku: 11792108793687772
  3. NTN SC0649C3

NTN SC0649C3 Bearing Nos

Sc0649c3 Ntn Bearing Nos

( Brand: Ntn ), ( Manufacturer Part Number: SC0649C3 ), ( Part Type: Bearing )

Review NTN Bearing Nos

The **NTN SC0649C3** is a high-performance, single-row cylindrical roller bearing designed for demanding applications requiring exceptional durability, precision, and reliability. Part of NTN s robust **SC series**, this bearing features a robust cage design and optimized internal geometry to deliver superior load-carrying capacity while minimizing friction and wear. Constructed with high-quality **chromium steel** (typically AISI 52100 or equivalent), the bearing s inner and outer rings undergo advanced heat treatment processes, including carburizing and hardening, to achieve a uniform hardness of approximately **60 62 HRC**, ensuring optimal resistance to fatigue and abrasion. The cylindrical rollers, precisely ground and polished, are arranged in a single row between the rings, allowing for efficient axial and radial load distribution, making this bearing ideal for applications where space is limited but performance demands are high.

The **SC0649C3** incorporates a **separate steel cage** (often made from high-strength steel or phenolic resin in some variants), which is designed to maintain consistent roller spacing even under heavy loads or high-speed conditions, thereby reducing noise and vibration while extending the bearing s operational lifespan. This cage type also facilitates easier installation and maintenance, as it can be removed or replaced independently of the bearing assembly. The bearing s **abutment flange** on the outer ring provides additional stability, preventing axial displacement and enhancing alignment in shaft-mounted applications. With an **inner diameter of 60 mm (2.36 inches)**, an **outer diameter of 100 mm (3.94 inches)**, and a **width of 19 mm (0.75 inches)**, the SC0649C3 strikes a balance between compactness and load-bearing capability, making it suitable for a wide range of industrial machinery, including conveyors, pumps, compressors, and heavy-duty conveyors.

One of the standout features of the **NTN SC0649C3** is its **high-speed capability**, thanks to its optimized roller profile and cage design, which minimizes centrifugal forces and heat generation. This makes it well-suited for applications where rotational speeds exceed 3,000 RPM without compromising performance. Additionally, the bearing is engineered to withstand **radial loads** as well as **moderate axial loads** (depending on the application and mounting configuration), though it is not designed for pure thrust applications. NTN s rigorous quality control processes, including dimensional inspections, surface finish evaluations, and load testing, ensure that each SC0649C3 meets stringent industry standards for precision and consistency. Whether used in original equipment manufacturing (OEM) applications or as a replacement in existing systems, this bearing exemplifies NTN s commitment to delivering components that enhance efficiency, reduce downtime, and extend the service life of mechanical assemblies. Proper lubrication, regular maintenance, and adherence to installation guidelines will further maximize its performance in even the most challenging operating environments.

### Pros and Cons of Buying NTN SC0649C3 Bearings

#### **Pros:**

1. **High Quality and Reliability** NTN is a well-known manufacturer of precision bearings, known for consistent performance and durability. The SC0649C3 is designed for heavy-duty applications, ensuring long service life under demanding conditions.

2. **Wide Compatibility** These bearings are commonly used in industrial machinery, automotive components, and power transmission systems. Their standardized dimensions make them easy to source and replace in various applications.

3. **Low Maintenance Requirements** High-quality sealed or shielded bearings like the SC0649C3 reduce the need for frequent lubrication, lowering operational downtime and maintenance costs.

4. **Superior Load-Carrying Capacity** The bearing is engineered to handle both radial and axial loads efficiently, making it suitable for applications where stability and performance are critical.

5. **Global Availability** NTN has a strong distribution network, ensuring easy access to genuine parts, reducing the risk of counterfeit or substandard alternatives.

6. **Noise and Vibration Reduction** Precision manufacturing minimizes operational noise and vibration, contributing to smoother system performance and extended equipment lifespan.

7. **Corrosion Resistance** Depending on the material (e.g., stainless steel or coated variants), these bearings offer resistance to environmental factors like moisture and chemicals, enhancing longevity in harsh conditions.

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#### **Cons:**

1. **Higher Upfront Cost** Compared to generic or aftermarket bearings, NTN SC0649C3 bearings are more expensive due to their brand reputation and quality standards.

2. **Potential Overkill for Light-Duty Applications** If the application does not require heavy-duty performance, investing in NTN bearings may be unnecessary, leading to higher costs without added benefits.

3. **Limited Customization** NTN bearings are designed for standard applications. Custom modifications (e.g., special seals, lubricants, or mounting configurations) may require additional lead time or custom orders, increasing costs.

4. **Stock Availability Delays** While widely available, high-demand models or specialized variants may experience longer lead times, potentially causing production delays.

5. **Potential for Over-Engineering** In some cases, the robustness of NTN bearings may exceed the actual load requirements of the application, leading to unnecessary weight or complexity in the system design.

6. **Compatibility Risks with Non-Standard Mounts** If the application requires non-standard housing or shaft fits, additional machining or adapters may be needed, adding complexity to installation.

7. **Resale Value Depreciation** Like most branded industrial components, NTN bearings lose value over time, and resale options may be limited compared to generic alternatives.

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### **Conclusion:**

The NTN SC0649C3 bearing is an excellent choice for applications requiring **high reliability, durability, and precision**, particularly in industrial, automotive, or heavy machinery sectors where downtime cannot be tolerated. Its superior quality justifies the higher cost in scenarios where performance, longevity, and compatibility are critical.

However, for **light-duty or cost-sensitive applications**, generic or aftermarket bearings may suffice without compromising functionality. The decision should be based on a cost-benefit analysis, considering factors like load requirements, environmental conditions, and long-term maintenance savings.

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### **Recommendation:** - **Buy NTN SC0649C3 if:**

- You operate in a high-reliability environment (e.g., manufacturing, automotive assembly lines, or power transmission systems).

- Your application demands minimal maintenance and extended bearing life.

- You prioritize noise reduction and smooth operation over cost savings.

- **Consider Alternatives if:**

- Your application is low-load or intermittent, where a budget-friendly bearing would suffice.

- You are working with a tight budget and can source equivalent-quality bearings from other reputable brands (e.g., SKF, FAG, or NSK).

- Custom modifications or non-standard mounting are required, which may complicate installation.

For most **heavy-duty or mission-critical applications**, the NTN SC0649C3 is the recommended choice due to its proven track record. Always verify compatibility with your system s specifications before purchasing.

Details:

Items are shipped using USPS, UPS, and FedEx. Bearing is new and in good condition, not original packaging. All parts are in stock and ready to ship. Pictures: Thumbnails.

If the original package is included it may show signs of wear. NTN SC0649C3 Bearing NOS.

part #: sc0649c3 price

  • $41.97

specifications bearingmotorcycleiz:

  • brand: Ntn
  • mpn: Sc0649c3
  • part type: Bearing

shipping bearingmotorcycleiz:

  • class: Standard
  • transit: 4-9 Days
  • type: Fixed
  • cost: $0.00
  • service: Standard

seller bearingmotorcycleiz:

  • # reviews: 129380
  • city: Ashaway, Rhode Island
  • rating: 99.9%

offer bearingmotorcycleiz:

  • sold: 0
  • options: Ship-to-home
  • quantity: 1
  • started: March 8, 2026
  • availability: In Stock
  • best offers: True

general bearingmotorcycleiz:

  • condition: New other see details
  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Engine Bearings

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part type: bearing,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > engine bearings, sku: 11792108793687772,
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