BOSTON GEAR Synthetic Rubber Spider Insert: FC12 Coupling Size, 1 1/4 in Outside Dia
The BOSTON GEAR Synthetic Rubber Spider Insert is a high-torque straight jaw spider designed for FC12 coupling size applications. This inch-dimensioned insert has a 1 1/4 in outside diameter and is rated for 0.1 hp…
SKU 3G-OTH-133817
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Product Description
The BOSTON GEAR Synthetic Rubber Spider Insert is a high-torque straight jaw spider designed for FC12 coupling size applications. This inch-dimensioned insert has a 1 1/4 in outside diameter and is rated for 0.1 hp, with manufacturer part number XFCR12. It is a replacement component for BOSTON GEAR couplings.
Frequently Asked Questions
What is the BOSTON GEAR Synthetic Rubber Spider Insert XFCR12 used for?
The BOSTON GEAR Synthetic Rubber Spider Insert XFCR12 is a high-torque straight jaw spider used as a replacement component in BOSTON GEAR FC12 size couplings. It transmits torque between coupled shafts while dampening vibration and compensating for minor misalignment in industrial power transmission systems.
What are the specifications of the BOSTON GEAR XFCR12 spider insert?
The BOSTON GEAR XFCR12 spider insert has a 1 1/4 in outside diameter, is rated for 0.1 hp, and fits FC12 coupling size. It is made of synthetic rubber, uses inch dimensions, and is a high-torque straight jaw spider. The manufacturer part number is XFCR12.
Where to buy BOSTON GEAR XFCR12 spider inserts worldwide?
You can source the BOSTON GEAR XFCR12 spider insert worldwide through 3G Electric. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct BOSTON GEAR spider insert for a coupling?
To select the correct BOSTON GEAR spider insert, match the coupling size (e.g., FC12), outside diameter (1 1/4 in), and horsepower rating (0.1 hp) to your application. Verify the jaw type (straight) and material (synthetic rubber). Always consult the coupling manufacturer's specifications for proper fit and torque capacity.
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Common applications for BOSTON GEARBOSTON GEAR Products
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.














