Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
Describe the job or paste specifications. Press Enter or Search.
RFQ CartGet a QuoteSign inSign up
BOSTON GEAR logo

BOSTON GEAR

Boston Gear is a manufacturer of mechanical power transmission components with a product history dating back to the late 19th century. The brand is known for standardized inch-dimensioned gearing, speed reducers, couplings, bearings, and related drive components used across industrial sectors. Its catalog includes enclosed and open gearing, shaft-mounted and helical speed reducers, worm gearboxes, universal joints, and flexible coupling elements. These products are applied in conveyor systems, mixers, pumps, fans, packaging machinery, and other equipment requiring reliable torque transmission and speed control. Technical buyers select Boston Gear components for their dimensional consistency, material options, and published ratings. For example, the high-torque straight jaw spider inserts carried by 3G Electric are available in polyurethane, oil-impregnated, synthetic rubber, and oil-resistant formulations, with outside diameters from 1 1/4 in to 4 1/2 in and power ratings from 0.1 hp to 17.5 hp. These inserts fit FC12, FC15, FC30, FC38, and FC45 coupling sizes, providing a flexible element that damps vibration and compensates for minor misalignment. The spiders are inch-dimensioned, reflecting Boston Gear’s focus on North American and global inch-standard drive systems. 3G Electric supplies the Boston Gear line as part of its industrial equipment distribution portfolio. The company maintains inventory across 302 SKUs of Boston Gear products, including speed reducers, couplings, and bearings. 3G Electric supports global customers with logistics coordination, quote processing, and access to technical specifications. The distributor’s catalog includes both standard catalog items and made-to-order configurations, allowing plant engineers and maintenance managers to source replacement components or complete drive assemblies. For procurement specialists, 3G Electric provides part-number cross-referencing and documentation to verify fit and function. The Boston Gear product range is characterized by cast iron and aluminum housings, hardened and ground gearing, and sealed bearings in many reducer models. Coupling spiders are available in different durometers and materials to suit torque, misalignment, and environmental requirements. This material variety allows users to match the insert to the application’s shock load, temperature, and chemical exposure. 3G Electric’s role is to make these components accessible with clear specifications and responsive order handling. The distributor does not manufacture Boston Gear products; it supplies them as part of a broader industrial equipment offering. Customers can request quotes for specific SKUs, and 3G Electric coordinates shipping to destinations worldwide. The combination of Boston Gear’s established product engineering and 3G Electric’s distribution infrastructure supports maintenance, repair, and operations (MRO) as well as original equipment manufacturing (OEM) requirements. For technical buyers, the key attributes are dimensional compatibility, published power ratings, and material selection. The spider inserts, for instance, are specified by coupling size, outside diameter, and horsepower rating, enabling straightforward replacement. Speed reducers and bearings follow similar catalog conventions, with frame sizes, ratios, and load capacities documented for selection. 3G Electric maintains this information to assist customers in identifying the correct part for their drive system. In summary, Boston Gear provides a broad range of inch-standard power transmission components, and 3G Electric distributes these products globally with a focus on specification clarity and order fulfillment. The line includes flexible coupling elements, speed reducers, and bearings, serving industries that rely on mechanical drive systems.

Genuine
OEM Parts
Expert
Tech Support
1 Day
Quote Response
Worldwide
Origin
Worldwide Shipping
Air & sea freight
Datasheets on Request
Technical specs & drawings
1-Day Quote Response
Singapore-based team
Browse:
Show
Page 4 of 31

About BOSTON GEAR

Boston Gear is a manufacturer of mechanical power transmission components with a product history dating back to the late 19th century. The brand is known for standardized inch-dimensioned gearing, speed reducers, couplings, bearings, and related drive components used across industrial sectors. Its catalog includes enclosed and open gearing, shaft-mounted and helical speed reducers, worm gearboxes, universal joints, and flexible coupling elements. These products are applied in conveyor systems, mixers, pumps, fans, packaging machinery, and other equipment requiring reliable torque transmission and speed control. Technical buyers select Boston Gear components for their dimensional consistency, material options, and published ratings. For example, the high-torque straight jaw spider inserts carried by 3G Electric are available in polyurethane, oil-impregnated, synthetic rubber, and oil-resistant formulations, with outside diameters from 1 1/4 in to 4 1/2 in and power ratings from 0.1 hp to 17.5 hp. These inserts fit FC12, FC15, FC30, FC38, and FC45 coupling sizes, providing a flexible element that damps vibration and compensates for minor misalignment. The spiders are inch-dimensioned, reflecting Boston Gear’s focus on North American and global inch-standard drive systems. 3G Electric supplies the Boston Gear line as part of its industrial equipment distribution portfolio. The company maintains inventory across 302 SKUs of Boston Gear products, including speed reducers, couplings, and bearings. 3G Electric supports global customers with logistics coordination, quote processing, and access to technical specifications. The distributor’s catalog includes both standard catalog items and made-to-order configurations, allowing plant engineers and maintenance managers to source replacement components or complete drive assemblies. For procurement specialists, 3G Electric provides part-number cross-referencing and documentation to verify fit and function. The Boston Gear product range is characterized by cast iron and aluminum housings, hardened and ground gearing, and sealed bearings in many reducer models. Coupling spiders are available in different durometers and materials to suit torque, misalignment, and environmental requirements. This material variety allows users to match the insert to the application’s shock load, temperature, and chemical exposure. 3G Electric’s role is to make these components accessible with clear specifications and responsive order handling. The distributor does not manufacture Boston Gear products; it supplies them as part of a broader industrial equipment offering. Customers can request quotes for specific SKUs, and 3G Electric coordinates shipping to destinations worldwide. The combination of Boston Gear’s established product engineering and 3G Electric’s distribution infrastructure supports maintenance, repair, and operations (MRO) as well as original equipment manufacturing (OEM) requirements. For technical buyers, the key attributes are dimensional compatibility, published power ratings, and material selection. The spider inserts, for instance, are specified by coupling size, outside diameter, and horsepower rating, enabling straightforward replacement. Speed reducers and bearings follow similar catalog conventions, with frame sizes, ratios, and load capacities documented for selection. 3G Electric maintains this information to assist customers in identifying the correct part for their drive system. In summary, Boston Gear provides a broad range of inch-standard power transmission components, and 3G Electric distributes these products globally with a focus on specification clarity and order fulfillment. The line includes flexible coupling elements, speed reducers, and bearings, serving industries that rely on mechanical drive systems.

Common Applications

  • Conveyor systems — Boston Gear FC38 polyurethane spider insert (XFCA38) for torque transmission and misalignment compensation.
  • Pump drives — Boston Gear FC15 oil-impregnated spider insert (XFCBB15) to dampen vibration in continuous-duty pump applications.
  • Mixers and agitators — Boston Gear speed reducers with cast iron housings for speed reduction and torque multiplication.
  • Packaging machinery — Boston Gear FC12 synthetic rubber spider insert (XFCR12) for shock absorption in start-stop cycles.
  • Fans and blowers — Boston Gear FC45 oil-impregnated spider insert (XFCBB45) for high-torque power transmission.
  • Material handling — Boston Gear shaft-mounted speed reducers for conveyor and bulk handling drive systems.

Frequently asked questions

Common questions about BOSTON GEAR from 3G Electric.

What materials are available for Boston Gear high-torque straight jaw spider inserts?

Boston Gear spider inserts are offered in polyurethane, oil-impregnated, synthetic rubber, and oil-resistant formulations. Each material provides different characteristics for torque transmission, vibration damping, and resistance to environmental factors. Polyurethane inserts generally offer higher torque capacity and wear resistance, while oil-impregnated and oil-resistant types are suited for applications with lubricant exposure. Synthetic rubber provides good resilience for shock absorption. Selection depends on the coupling size, required horsepower rating, and operating conditions. 3G Electric stocks multiple material options across FC12, FC15, FC30, FC38, and FC45 coupling sizes.

How do I select the correct Boston Gear spider insert for my FC coupling?

Selection requires matching the insert to the coupling size (e.g., FC12, FC15, FC30, FC38, FC45), the outside diameter, and the required power rating. Boston Gear publishes horsepower ratings for each insert, ranging from 0.1 hp to 17.5 hp in the high-torque straight jaw series. The insert material should also be chosen based on torque, misalignment, and environmental conditions. Verify the coupling hub size and the insert’s outside diameter to ensure proper fit. 3G Electric can provide part numbers and specifications for the specific coupling size and rating needed.

What are the typical applications for Boston Gear speed reducers?

Boston Gear speed reducers are used in conveyor systems, mixers, agitators, pumps, fans, packaging machinery, and other industrial equipment requiring speed reduction and torque multiplication. They are available in various configurations, including shaft-mounted, helical, and worm gear designs. Selection depends on input speed, output torque, ratio, and mounting constraints. The reducers often feature cast iron or aluminum housings and hardened gearing. 3G Electric supplies these units as part of its Boston Gear inventory, supporting both MRO and OEM requirements.

Are Boston Gear couplings and spider inserts interchangeable across different FC sizes?

No, spider inserts are size-specific and must match the coupling size. For example, an FC15 insert will not fit an FC30 coupling. Each insert is dimensioned for a particular coupling’s outside diameter and jaw geometry. Boston Gear provides inserts for FC12, FC15, FC30, FC38, and FC45 sizes, among others. Always confirm the coupling size and insert part number before ordering. 3G Electric’s catalog lists the compatible coupling size and outside diameter for each spider insert to prevent mismatches.

What information is needed to request a quote for Boston Gear products from 3G Electric?

To request a quote, provide the Boston Gear part number or MPN, the required quantity, and any specific configuration details. If the part number is unknown, specify the coupling size, outside diameter, power rating, or reducer specifications such as ratio and frame size. 3G Electric can cross-reference available SKUs and confirm current pricing and lead times. The distributor handles global shipping and provides documentation as needed. Quotes are processed based on the information supplied, ensuring the correct component is identified.

Does 3G Electric supply BOSTON GEAR products?

Yes — 3G Electric (S) Pte. Ltd. supplies BOSTON GEAR products. We stock the BOSTON GEAR catalog and supply genuine factory-original products with full manufacturer warranty and technical support.