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BOSTON GEAR XFCR38 High-Torque Straight Jaw Spider, 3 3/4 in OD, 2.5 hp - High-Torque Straight Jaw Spiders
BOSTON GEARHigh-Torque Straight Jaw Spiders

BOSTON GEAR XFCR38 High-Torque Straight Jaw Spider, 3 3/4 in OD, 2.5 hp

The BOSTON GEAR Oil Resistant Spider Insert is a high-torque straight jaw spider for FC38 coupling size, with a 3 3/4 in outside diameter and 2.5 hp rating (MPN XFCR38). This inch-dimensioned insert is designed for…

SKU 3G-OTH-133834

Also listed as: XFCR 38 · XFCR-38

Brand
BOSTON GEAR
Item
XFCR38 High-Torque Straight Jaw Spider, 3 3/4 in OD, 2.5 hp
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
XFCR38
Type
Inch, 2.5 hp
Outside Dia
3 3/4 in

Technical Documents

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

Product Description

The BOSTON GEAR Oil Resistant Spider Insert is a high-torque straight jaw spider for FC38 coupling size, with a 3 3/4 in outside diameter and 2.5 hp rating (MPN XFCR38). This inch-dimensioned insert is designed for use with BOSTON GEAR couplings.

Frequently Asked Questions

What is the BOSTON GEAR Oil Resistant Spider Insert used for?

The BOSTON GEAR Oil Resistant Spider Insert is a high-torque straight jaw spider used in FC38 coupling applications. It transmits power between shafts while absorbing shock and compensating for minor misalignment. Common in industrial drives, pumps, and gearboxes where oil resistance is required.

What are the specifications of the BOSTON GEAR Oil Resistant Spider Insert?

The BOSTON GEAR Oil Resistant Spider Insert (MPN XFCR38) has a 3 3/4 in outside diameter, a 2.5 hp rating, and is designed for FC38 coupling size. It is an inch-dimensioned, oil-resistant spider made for use with BOSTON GEAR couplings.

Where to buy the BOSTON GEAR Oil Resistant Spider Insert worldwide?

3G Electric supplies the BOSTON GEAR Oil Resistant Spider Insert worldwide. As a global industrial equipment distributor, 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., FC38), outside diameter (3 3/4 in), and horsepower rating (2.5 hp). Ensure the insert material suits the operating environment—oil-resistant for lubricated applications. Always verify shaft dimensions and alignment tolerances per manufacturer guidelines.

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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Inch-sized rubber spider insert for FC30 coupling size. Outside diameter 3 in, power rating 1.30 hp. Used in power transmission applications to connect shafts and absorb shock in pumps, gearboxes, and similar machinery
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Inch-sized rubber spider insert for FC30 coupling size. Outside diameter 3 in, power rating 1.30 hp. Used in power transmission applications to connect shafts and absorb shock in pumps, gearboxes, and similar machinery
Inch-dimensioned spider insert for FC30 coupling size. 3 in outside diameter, rated for 5.10 hp. Oil-impregnated construction dampens vibration and compensates for minor misalignment in power transmission systems
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Inch-dimensioned spider insert for FC30 coupling size. 3 in outside diameter, rated for 5.10 hp. Oil-impregnated construction dampens vibration and compensates for minor misalignment in power transmission systems

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