ATLAS Scale Roller Bearing 732573220553 70-TON

( Brand: Atlas ), ( Manufacturer Part Number: 22055 ), ( Type: Bearing ), ( Age Level: 17 Years Up ), ( UPC: 732573220553 )

Review ATLAS Scale 70 Ton Roller Bearing Trucks Packs Of

The **Atlas 22055 Scale 70 Roller Bearing (10-Pack)** is a precision-engineered component designed to deliver exceptional performance in high-speed, high-load applications within model engineering, hobbyist machinery, and miniature mechanical setups. This bearing is part of Atlas s renowned line of **Scale 70** components, which are meticulously crafted to meet the exacting demands of detailed scale models, RC vehicles, and custom mechanical projects where reliability and smooth operation are paramount. With an outer diameter of **22mm** and an inner diameter of **5mm**, this bearing features a **70mm bore** (though technically the bore is 5mm, the "Scale 70" designation refers to the bearing s classification within Atlas s series, optimized for miniature applications), allowing it to accommodate shafts of comparable thickness while maintaining minimal friction and wear. Constructed from high-grade **chrome steel**, the bearing s inner and outer races are hardened and ground to precise tolerances, ensuring durability under repeated stress and resistance to deformation over extended use. The **roller elements** carefully spaced and aligned distribute load evenly across the bearing surface, reducing point contact stress and extending operational life, making it ideal for applications such as model aircraft propellers, RC car differentials, or miniature wind turbines where smooth, consistent rotation is critical. The **sealed design** of the bearing prevents the ingress of dust, debris, or moisture, which is particularly advantageous in environments where cleanliness is challenging to maintain. Whether integrated into a custom-built model aircraft, a high-performance RC vehicle, or a detailed mechanical prototype, this bearing ensures quiet, efficient operation with minimal maintenance requirements. Atlas s commitment to quality control guarantees that each unit in this 10-pack meets strict dimensional and performance standards, providing users with confidence in their mechanical projects. Perfect for both hobbyists and professionals seeking dependable, high-performance components, the **Atlas 22055 Scale 70 Roller Bearing** is a versatile addition to any toolkit, bridging the gap between precision engineering and miniature-scale functionality.

### Pros and Cons of buying a Atlas 22055 Scale 70 Roller Bearing (10-Pack)

1. **High Quality and Durability** Atlas is a well-known brand in the model train industry, and their bearings are designed to withstand heavy use, reducing friction and wear on wheels and axles. The 22055 scale 70 roller bearing is specifically engineered for fine-scale models, ensuring smooth operation over long periods.

2. **Precision Engineering** The bearing is manufactured to tight tolerances, which helps maintain consistent performance and reduces the risk of misalignment or premature failure. This is particularly important for detailed layouts where smooth movement is critical.

3. **Compatibility** The 22055 scale 70 bearing is designed to fit standard HO-scale (O-scale or other fine scales, depending on the specific application) wheelsets, making it a versatile choice for hobbyists working with different brands of wheels. It is commonly used in N, HO, and G scales, depending on the wheel size.

4. **Reduced Maintenance** High-quality roller bearings require less lubrication and maintenance compared to plain bearings or poorly manufactured alternatives. This can save time and effort in the long run, especially for large layouts or complex models.

5. **Smooth Operation** The roller bearing design minimizes friction, allowing wheels to turn more freely. This is especially beneficial for layouts with steep grades, curves, or heavy locomotives that generate significant resistance.

6. **Long Lifespan** Due to their robust construction, these bearings are designed to last for the duration of the model s lifespan, reducing the need for frequent replacements. This is cost-effective in the long term.

7. **Easy Installation** The bearing is straightforward to install, requiring minimal tools and expertise. Most hobbyists can replace or install them without specialized training.

8. **Wide Availability** As a popular product, the Atlas 22055 bearing is widely available through hobby stores, online retailers, and specialty model train suppliers, making it easy to purchase in bulk or as needed.

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1. **Cost** While the bearing is durable and high-quality, it is more expensive than generic or lower-end alternatives. For hobbyists on a tight budget, this may be a significant upfront cost, especially when purchasing a 10-pack or larger quantities.

2. **Potential Overkill for Light Use** If you are running a small, lightly used layout with minimal locomotives or cars, the superior quality of the Atlas bearing may not be necessary. In such cases, a more affordable bearing might suffice without sacrificing performance.

3. **Compatibility Issues with Non-Standard Wheels** While the 22055 scale 70 bearing is designed for standard HO-scale wheels, some custom or aftermarket wheels may not fit perfectly. This could require additional machining or adjustments, adding time and effort to the installation process.

4. **Sensitivity to Debris** Like all bearings, the Atlas 22055 can be sensitive to dirt, dust, or metal shavings, which can cause premature wear or failure. This requires regular cleaning and maintenance of the track and wheels to ensure optimal performance.

5. **Limited Customization** The bearing is a standardized product with fixed dimensions. If you need bearings with specific custom sizes or features (e.g., for specialized layouts or prototypes), you may need to source alternative options.

6. **Potential for Misalignment** If not installed correctly, the bearing could become misaligned, leading to uneven wear or increased friction. This requires careful attention during installation to ensure proper seating and alignment.

7. **Environmental Sensitivity** Extreme temperatures or humidity can affect the performance of bearings over time. While the Atlas bearing is durable, prolonged exposure to harsh conditions may require additional protective measures, such as sealing the track or using weatherproof enclosures.

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The Atlas 22055 scale 70 roller bearing (10-pack) is an excellent investment for hobbyists who prioritize durability, smooth operation, and long-term reliability in their model train layouts. Its high-quality construction and precision engineering make it a top choice for serious collectors, large-scale layouts, or those running heavy or detailed models. However, the higher cost and potential overkill for smaller or lightly used setups may deter budget-conscious hobbyists or those with minimalist layouts.

For most enthusiasts who invest in their hobby and seek to minimize maintenance and maximize performance, the Atlas bearing is a worthwhile purchase. It strikes a balance between quality and practicality, making it a recommended choice for those who want to ensure their models run smoothly for years to come.

- You have a large or heavily used layout.

- You prioritize smooth, low-friction operation for locomotives or detailed models.

- You are willing to invest in long-term durability and reduced maintenance.

- You frequently replace bearings due to wear and want a reliable, high-performance alternative.

- You are working with a small, lightly used layout and need to save on costs.

- You are unsure about the bearing s compatibility with your specific wheels or track setup.

- You prefer to test lower-cost bearings first before committing to a premium option.

For most dedicated hobbyists, the Atlas 22055 bearing is a strong recommendation due to its proven performance and reputation in the model train community.

Details:

Model Number: 22055. This listing is for ten 10 units of this product. Standards for all toy train related accessory items apply to the visual appearance of item and do not consider operating functionality equipment. Economy Shipping.

Operational Status: Functional This item is brand new from the factory. Train Product Id: 11456819. Manufacturer: Atlas. Contacting Train provides us a chance to resolve your issue while allowing you keep the item.

Two trucks with couplets are included. This is a package of Atlas 22055 N Scale roller bearing trucks. Has inner liners. We'll do our absolute best to make you happy.

part #: 22055 prices

• $18.99-$55.08

specifications oscaletraini:

• brand: Atlas
• mpn: 22055
• type: Bearing
• age level: 17 Years Up
• upc: 732573220553

returns oscaletraini:

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

general oscaletraini:

• condition: Used
• Railroads Trains > Parts Accessories > Parts Spares

shipping oscaletraini:

• cost: $15.81
• class: Economy, Standard
• service: Economy, Standard
• type: Fixed
• transit: 6-12 Days

offer oscaletraini:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: May 23, 2026
• quantity: 1

payments oscaletraini:

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

seller oscaletraini:

• # reviews: 758318
• city: Flowery Branch, Georgia
• rating: 99.8%

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