We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

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
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
BOSTON GEAR Oil Resistant Spider Insert: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, 0.71 hp (MPN XFCR25)
BOSTON GEAR
BOSTON GEAR Oil Resistant Spider Insert: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, 0.71 hp (MPN XFCR25)
BOSTON GEAR Oil Resistant Spider Insert: FC20 Coupling Size, 2 in Outside Dia, Inch, 0.4 hp, Rubber (MPN XFCR20)
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BOSTON GEAR Oil Resistant Spider Insert: FC20 Coupling Size, 2 in Outside Dia, Inch, 0.4 hp, Rubber (MPN XFCR20)
BOSTON GEAR Oil Resistant Spider Insert: FC15 Coupling Size, 1 1/2 in Outside Dia, Inch, 0.2 hp (MPN XFCR15)
BOSTON GEAR
BOSTON GEAR Oil Resistant Spider Insert: FC15 Coupling Size, 1 1/2 in Outside Dia, Inch, 0.2 hp (MPN XFCR15)
BOSTON GEAR Oil Resistant Spider Insert: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch, 4.4 hp (MPN XFCR45)
BOSTON GEAR
BOSTON GEAR Oil Resistant Spider Insert: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch, 4.4 hp (MPN XFCR45)
BOSTON GEAR Oil Impregnated Spider Insert: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, 2.9 hp (MPN XFCBB25)
BOSTON GEAR
BOSTON GEAR Oil Impregnated Spider Insert: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, 2.9 hp (MPN XFCBB25)
BOSTON GEAR Oil Impregnated Spider Insert: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch, 17.5 hp (MPN XFCBB45)
BOSTON GEAR
BOSTON GEAR Oil Impregnated Spider Insert: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch, 17.5 hp (MPN XFCBB45)

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This synthetic rubber spider insert is designed for use in straight jaw couplings of FC12 size. It has an outside diameter of 1 1/4 inches and is rated for 0.1 hp. The insert transmits torque between coupled shafts while dampening vibration and compensating for minor misalignment in power transmission systems
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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
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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
BOSTON GEAR Polyurethane Spider Insert: FC20 Coupling Size, 2 in Outside Dia, Inch, 0.7 hp (MPN XFCA20)
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BOSTON GEAR Polyurethane Spider Insert: FC20 Coupling Size, 2 in Outside Dia, Inch, 0.7 hp (MPN XFCA20)
BOSTON GEAR Oil Resistant Spider Insert: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.19 hp (MPN XFCA12)
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