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Item #:
209504505
Boston Gear NB18B Spur Gear, 14.5 Pressure Angle, Steel, Inch, 16 Pitch, 0.500 Bore, 1.250 OD, 0.500 Face Width, 18 Teeth
Item #:
209504505
XCD 151
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
Order now and get it around Monday, August 03
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The Boston Gear low carbon steel spur gear provides a quiet operation with higher contact ratio and precision control in torque transmission.
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Product Details
Who Should Buy?
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Mechanical Engineers
Ideal for those designing machinery requiring precise motion transfer using high-quality spur gears for durability and efficiency.
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Hobbyist Builders
Perfect for individuals working on projects like robotics or model trains that need reliable and durable gear components.
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Manufacturing Applications
Essential for applications in automated systems where consistent gear performance and longevity are critical for operations.
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Low-Load Applications
Not suitable for projects that require lightweight materials as this steel gear is designed for heavier industrial uses.
Product Description
Boston Gear NB18B Spur Gear, 14.5 Pressure Angle, Steel, Inch, 16 Pitch, 0.500 Bore, 1.250 OD, 0.500 Face Width, 18 Teeth
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Customer Questions & Answers
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Question:
What materials is the Boston Gear spur gear made from?
Answer: It is made of low carbon steel with 0.2 percent carbon. -
Question:
What is the significance of the pressure angle?
Answer: The 14.5-degree pressure angle provides a higher contact ratio, leading to quieter operation. -
Question:
In which applications can this spur gear be used?
Answer: It is suitable for construction equipment, aeronautics, conveyors, and manufacturing equipment.
Boston Gear Spur Gears Editorial Review
The Boston Gear NB18B Spur Gear has garnered a mix of reviews from customers, highlighting both its quality and notable shortcomings in product description. Customers appreciate the overall quality of the gear, noting it is well-Constructed and offered at a reasonable price. Many users have expressed satisfaction with its performance after implementing custom modifications to accommodate the lack of a keyway or set screw, which are not included in the product. Users suggest drilling a hole for a set screw or utilizing a spring pin to ensure secure mounting, which they report can handle more torque than a traditional screw. Despite the positive feedback on the gear itself, there is significant frustration with the product's listing inaccuracies. Users have reported that the provided images and descriptions are misleading, suggesting the presence of features that are absent from the actual product. A recurring theme in the reviews is the necessity for customers to engage in additional labor to modify the gear for proper installation, which can be inconvenient and time-Consuming. In summary, while the Boston Gear NB18B Spur Gear is recognized for its quality and functionality, the misleading product descriptions and the absence of vital installation features have negatively impacted the overall user experience. Customers looking for a straightforward acquisition may find this product lacking due to the required modifications. **
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Pros
- High quality Construction
- Good price point
- Works well after modifications
Cons
- Misleading product description (no keyway or set screw)
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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6/7/2026 · via Trustpilot
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Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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Features & Benefits
- Transmits torque between parallel shafts for motorized systems.
- 14.5-degree pressure angle ensures quieter operation.
- Diametral pitch of 16 balances torque transfer and speed control.
- Made from low carbon steel for applications requiring less strength.
- Suitable for various commercial and industrial applications.
- Complies with ISO standards for quality assurance.
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