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BOSTON GEAR Polyurethane Spider Insert: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch - High-Torque Straight Jaw Spiders
BOSTON GEARHigh-Torque Straight Jaw Spiders

BOSTON GEAR Polyurethane Spider Insert: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch

The BOSTON GEAR Polyurethane Spider Insert is a high-torque straight jaw spider designed for FC45 coupling size applications. This inch-dimensioned insert has a 4 1/2 in outside diameter and is rated for 7.5 hp, with…

SKU 3G-OTH-133832

Also listed as: XFCA 45 · XFCA-45

Brand
BOSTON GEAR
Item
Polyurethane Spider Insert: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch
Category
High-Torque Straight Jaw Spiders
Available to Order
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Worldwide Shipping
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Technical specs
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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
XFCA45
Type
Inch, 7.5 hp
Outside Dia
4 1/2 in

Technical Documents

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

Product Description

The BOSTON GEAR Polyurethane Spider Insert is a high-torque straight jaw spider designed for FC45 coupling size applications. This inch-dimensioned insert has a 4 1/2 in outside diameter and is rated for 7.5 hp, with manufacturer part number XFCA45.

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 Polyurethane Spider Insert XFCA45 used for?

The BOSTON GEAR Polyurethane Spider Insert XFCA45 is a high-torque straight jaw spider used in FC45 coupling size applications. It transmits torque between shafts in industrial machinery such as pumps, compressors, and conveyors, absorbing vibration and misalignment. The polyurethane material provides durability and flexibility for demanding mechanical power transmission.

What are the specifications of the BOSTON GEAR XFCA45 spider insert?

The BOSTON GEAR XFCA45 spider insert has a 4 1/2 in outside diameter, is rated for 7.5 hp, and fits FC45 coupling size. It is an inch-dimensioned polyurethane straight jaw spider designed for high-torque applications. The manufacturer part number is XFCA45, and it is made by BOSTON GEAR.

Where to buy BOSTON GEAR XFCA45 spider inserts worldwide?

You can source the BOSTON GEAR XFCA45 spider insert 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 time; we supply genuine BOSTON GEAR components for industrial coupling systems.

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., FC45), outside diameter (4 1/2 in), and horsepower rating (7.5 hp) to your application. Ensure the insert material—polyurethane in this case—suits the torque, temperature, and environmental conditions. Always verify shaft alignment and consult coupling manufacturer guidelines for proper fit.

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 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 Polyurethane Spider Insert: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, 1.2 hp (MPN XFCA25)
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BOSTON GEAR Polyurethane Spider Insert: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, 1.2 hp (MPN XFCA25)
BOSTON GEAR Polyurethane Spider Insert: FC30 Coupling Size, 3 in Outside Dia, Inch, 2.2 hp (MPN XFCA30)
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BOSTON GEAR Polyurethane Spider Insert: FC30 Coupling Size, 3 in Outside Dia, Inch, 2.2 hp (MPN XFCA30)
BOSTON GEAR Oil Resistant Spider Insert: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch, 4.4 hp (MPN XFCR45)
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BOSTON GEAR Oil Resistant Spider Insert: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch, 4.4 hp (MPN XFCR45)
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 Synthetic Rubber Spider Insert: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.1 hp (MPN XFCR12)
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BOSTON GEAR Synthetic Rubber Spider Insert: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.1 hp (MPN XFCR12)

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BOSTON GEAR Oil Impregnated Spider Insert: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, 2.9 hp (MPN XFCBB25)
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BOSTON GEAR Oil Resistant Spider Insert: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, 0.71 hp (MPN XFCR25)
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BOSTON GEAR Polyurethane Spider Insert: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, 4.30 hp (MPN XFCA38)
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BOSTON GEAR Polyurethane Spider Insert: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, 4.30 hp (MPN XFCA38)
BOSTON GEAR Polyurethane Spider Insert: FC15 Coupling Size, 1 1/2 in Outside Dia, Inch, 0.37 hp (MPN XFCA15)
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BOSTON GEAR Oil Impregnated Spider Insert: FC15 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.79 hp (MPN XFCBB15)
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BOSTON GEAR Oil Impregnated Spider Insert: FC15 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.79 hp (MPN XFCBB15)
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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BOSTON GEAR Oil Impregnated Spider Insert: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch, 17.5 hp (MPN XFCBB45)
BOSTON GEAR Oil Resistant Spider Insert: FC30 Coupling Size, 3 in Outside Dia, Inch, 1.30 hp, Rubber (MPN XFCR30)
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BOSTON GEAR Oil Resistant Spider Insert: FC30 Coupling Size, 3 in Outside Dia, Inch, 1.30 hp, Rubber (MPN XFCR30)