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BOSTON GEAR High-Torque Straight Jaw Spider, XFCR12 - High-Torque Straight Jaw Spiders
BOSTON GEARHigh-Torque Straight Jaw Spiders

BOSTON GEAR High-Torque Straight Jaw Spider, XFCR12

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

Also listed as: XFCR 12 · XFCR-12

Brand
BOSTON GEAR
Item
High-Torque Straight Jaw Spider, XFCR12
Category
High-Torque Straight Jaw Spiders
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BOSTON GEAR
Manufacturer Part Number
XFCR12
Type
Inch, 0.1 hp
Outside Dia
1 1/4 in

Technical Documents

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BOSTON GEAR Products
3G Electric (S) Pte. Ltd. — Singapore

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.

Used in

Common applications for BOSTON GEAR
Material handling conveyors — Boston Gear worm gear speed reducers for belt drives
Packaging machinery — Boston Gear helical gear reducers for precise indexing
Food processing equipment — Boston Gear stainless steel speed reducers for washdown environments
Industrial pump drives — Boston Gear clamp collars for shaft coupling alignment
Mixer and agitator systems — Boston Gear oil-impregnated spider inserts for torque transmission
Automated assembly lines — Boston Gear mounting bases for horizontal reducer installation

BOSTON 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.

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Cross-referenced by specification & description
Polyurethane spider insert for FC25 coupling size. Inch dimensions with 2 1/2 in outside diameter, rated for 1.2 hp. Transmits torque while dampening vibration and compensating for minor misalignment in shaft couplings
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Polyurethane spider insert for FC25 coupling size. Inch dimensions with 2 1/2 in outside diameter, rated for 1.2 hp. Transmits torque while dampening vibration and compensating for minor misalignment in shaft couplings
This polyurethane spider insert is designed for use in high-torque straight jaw couplings of FC15 size. With a 1 1/2 in outside diameter and a power rating of 0.37 hp, it transmits torque while dampening vibration and compensating for minor misalignment in power transmission systems such as pumps, gearboxes, and conveyors
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This polyurethane spider insert is designed for use in high-torque straight jaw couplings of FC15 size. With a 1 1/2 in outside diameter and a power rating of 0.37 hp, it transmits torque while dampening vibration and compensating for minor misalignment in power transmission systems such as pumps, gearboxes, and conveyors
Oil-impregnated spider insert for FC15 straight jaw couplings. Inch-sized with 1 1/4 in outside diameter and 0.79 hp rating. Used as a flexible element in power transmission systems to dampen vibration and accommodate minor shaft misalignment
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Oil-impregnated spider insert for FC15 straight jaw couplings. Inch-sized with 1 1/4 in outside diameter and 0.79 hp rating. Used as a flexible element in power transmission systems to dampen vibration and accommodate minor shaft misalignment
Inch-dimensioned polyurethane spider insert for FC45 coupling size. Outside diameter 4 1/2 in, rated 7.5 hp. Used in power transmission to connect shafts in pumps, compressors, and conveyors, absorbing vibration and accommodating misalignment
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Inch-dimensioned polyurethane spider insert for FC45 coupling size. Outside diameter 4 1/2 in, rated 7.5 hp. Used in power transmission to connect shafts in pumps, compressors, and conveyors, absorbing vibration and accommodating misalignment
Inch-sized straight jaw spider for FC20 coupling size. Outside diameter 2 in, power rating 1.6 hp. Oil-impregnated construction dampens vibration and compensates for minor shaft misalignment in industrial power transmission applications
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Inch-sized straight jaw spider for FC20 coupling size. Outside diameter 2 in, power rating 1.6 hp. Oil-impregnated construction dampens vibration and compensates for minor shaft misalignment in industrial power transmission applications

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Polyurethane spider insert for high-torque straight jaw couplings. Fits FC20 coupling size with 2-inch outside diameter and 0.7 hp rating. Transmits torque while dampening vibration and compensating for minor misalignment in power transmission systems
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Polyurethane spider insert for high-torque straight jaw couplings. Fits FC20 coupling size with 2-inch outside diameter and 0.7 hp rating. Transmits torque while dampening vibration and compensating for minor misalignment in power transmission systems
Inch-sized straight jaw spider for FC12 coupling size. Outside diameter 1 1/4 in, power rating 0.19 hp. Transmits torque between shafts while dampening vibration and compensating for minor misalignment in industrial machinery, pumps, and gearboxes
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Inch-sized straight jaw spider for FC12 coupling size. Outside diameter 1 1/4 in, power rating 0.19 hp. Transmits torque between shafts while dampening vibration and compensating for minor misalignment in industrial machinery, pumps, and gearboxes
Inch-sized high-torque straight jaw spider for FC12 coupling applications. Outside diameter 1 1/4 in, rated 0.32 hp. Used to transmit torque between shafts while dampening vibration and compensating for minor misalignment in industrial power transmission systems
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Inch-sized high-torque straight jaw spider for FC12 coupling applications. Outside diameter 1 1/4 in, rated 0.32 hp. Used to transmit torque between shafts while dampening vibration and compensating for minor misalignment in industrial power transmission systems
This high-torque straight jaw spider insert is designed for FC20 coupling size. It has a 2 in outside diameter and a 0.4 hp rating. Made of oil-resistant rubber, it transmits torque between shafts while absorbing shock and compensating for minor misalignment. Suitable for inch-sized couplings in power transmission applications
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This high-torque straight jaw spider insert is designed for FC20 coupling size. It has a 2 in outside diameter and a 0.4 hp rating. Made of oil-resistant rubber, it transmits torque between shafts while absorbing shock and compensating for minor misalignment. Suitable for inch-sized couplings in power transmission applications
Inch-dimensioned high-torque straight jaw spider with 2 1/2 in outside diameter and 2.9 hp rating. Designed for FC25 coupling size, used in industrial power transmission to connect shafts while dampening vibration and accommodating minor misalignment
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Inch-dimensioned high-torque straight jaw spider with 2 1/2 in outside diameter and 2.9 hp rating. Designed for FC25 coupling size, used in industrial power transmission to connect shafts while dampening vibration and accommodating minor misalignment
Inch-dimensioned spider insert for FC15 coupling size. Outside diameter 1 1/2 in, rated 0.2 hp. Straight jaw design for torque transmission and misalignment dampening in industrial drives such as pumps, conveyors, and mixers
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Inch-dimensioned spider insert for FC15 coupling size. Outside diameter 1 1/2 in, rated 0.2 hp. Straight jaw design for torque transmission and misalignment dampening in industrial drives such as pumps, conveyors, and mixers
Inch-sized straight jaw spider insert for FC25 couplings. Outside diameter 2 1/2 in, power rating 0.71 hp. Oil-resistant material suitable for industrial power transmission applications such as pumps, conveyors, and mixers
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Inch-sized straight jaw spider insert for FC25 couplings. Outside diameter 2 1/2 in, power rating 0.71 hp. Oil-resistant material suitable for industrial power transmission applications such as pumps, conveyors, and mixers
This polyurethane spider insert serves as the flexible element in high-torque straight jaw couplings. It transmits torque while dampening vibration and compensating for minor misalignment in industrial power transmission systems. Suitable for use with FC38 coupling size, it has a 3 3/4 in outside diameter and a power rating of 4.30 hp
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This polyurethane spider insert serves as the flexible element in high-torque straight jaw couplings. It transmits torque while dampening vibration and compensating for minor misalignment in industrial power transmission systems. Suitable for use with FC38 coupling size, it has a 3 3/4 in outside diameter and a power rating of 4.30 hp