BOSTON GEAR Oil Impregnated Spider Insert: FC38 Coupling Size, 3 3/4 in Outside Dia
The BOSTON GEAR Oil Impregnated Spider Insert is a high-torque straight jaw spider for FC38 coupling size, with a 3 3/4 in outside diameter and 11.1 hp rating. This inch-size insert, model XFCBB38, is designed for…
SKU 3G-OTH-133830
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Product Description
The BOSTON GEAR Oil Impregnated Spider Insert is a high-torque straight jaw spider for FC38 coupling size, with a 3 3/4 in outside diameter and 11.1 hp rating. This inch-size insert, model XFCBB38, is designed for use with BOSTON GEAR couplings.
Frequently Asked Questions
What is the BOSTON GEAR Oil Impregnated Spider Insert used for?
The BOSTON GEAR Oil Impregnated Spider Insert is a high-torque straight jaw spider used in industrial power transmission systems. It fits FC38 coupling sizes to connect shafts, dampen vibration, and transmit torque up to 11.1 hp. Common applications include pumps, compressors, and conveyors where misalignment compensation is needed.
What are the specifications of the BOSTON GEAR XFCBB38 spider insert?
The BOSTON GEAR XFCBB38 spider insert has a 3 3/4 in outside diameter, an FC38 coupling size, and a power rating of 11.1 hp. It is an inch-size, oil-impregnated straight jaw spider designed for high-torque applications. The manufacturer part number is XFCBB38, and it is made by BOSTON GEAR.
Where to buy BOSTON GEAR spider inserts worldwide?
You can source BOSTON GEAR spider inserts worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times on the XFCBB38 or other BOSTON GEAR coupling components.
How to select the right BOSTON GEAR spider insert for a coupling?
To select the correct BOSTON GEAR spider insert, match the coupling size (e.g., FC38), outside diameter (3 3/4 in), and power rating (11.1 hp) to your application. Ensure the insert material—oil-impregnated for this model—suits the operating environment. Always verify shaft sizes and torque requirements against the BOSTON GEAR catalog.
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3G Electric supplies BOSTON GEAR high-torque straight jaw spiders. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















