We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

BOSTON GEAR Oil Impregnated Spider Insert: FC15 Coupling Size, 1 1/4 in Outside Dia - High-Torque Straight Jaw Spiders
BOSTON GEARHigh-Torque Straight Jaw Spiders

BOSTON GEAR Oil Impregnated Spider Insert: FC15 Coupling Size, 1 1/4 in Outside Dia

The BOSTON GEAR Oil Impregnated Spider Insert is a high-torque straight jaw spider for FC15 coupling size, with a 1 1/4 in outside diameter and a power rating of 0.79 hp. This inch-sized insert, manufactured by…

SKU 3G-OTH-133819

Also listed as: XFCBB 15 · XFCBB-15

Brand
BOSTON GEAR
Item
Oil Impregnated Spider Insert: FC15 Coupling Size, 1 1/4 in Outside Dia
Category
High-Torque Straight Jaw Spiders
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

BOSTON GEAR
Manufacturer Part Number
XFCBB15
Type
Inch, 0.79 hp
Outside Dia
1 1/4 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The BOSTON GEAR Oil Impregnated Spider Insert is a high-torque straight jaw spider for FC15 coupling size, with a 1 1/4 in outside diameter and a power rating of 0.79 hp. This inch-sized insert, manufactured by BOSTON GEAR under part number XFCBB15, is designed for use in industrial coupling applications.

Frequently Asked Questions

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

The BOSTON GEAR Oil Impregnated Spider Insert is used as a flexible coupling element in industrial power transmission systems. It connects shafts in high-torque straight jaw couplings, dampening vibration and compensating for minor misalignment. Common applications include conveyors, pumps, and gearboxes where reliable torque transfer up to 0.79 hp is required.

What are the specifications of the BOSTON GEAR XFCBB15 spider insert?

The BOSTON GEAR XFCBB15 spider insert has an outside diameter of 1 1/4 in, fits FC15 coupling size, and is rated for 0.79 hp. It is an inch-sized, oil-impregnated straight jaw spider designed for high-torque applications. The part number is XFCBB15, manufactured by BOSTON GEAR.

Where to buy BOSTON GEAR spider inserts worldwide?

You can source BOSTON GEAR spider inserts 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 on the XFCBB15 or other BOSTON GEAR coupling components.

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., FC15), outside diameter (1 1/4 in), and power rating (0.79 hp) to your shaft and load requirements. Ensure the insert type—straight jaw, oil-impregnated—aligns with your application's torque and misalignment needs. Consult BOSTON GEAR's catalog for compatibility.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
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 Impregnated Spider Insert: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.32 hp (MPN XFCBB12)
BOSTON GEAR
BOSTON GEAR Oil Impregnated Spider Insert: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.32 hp (MPN XFCBB12)
BOSTON GEAR Oil Impregnated Spider Insert: FC20 Coupling Size, 2 in Outside Dia, Inch, 1.6 hp (MPN XFCBB20)
BOSTON GEAR
BOSTON GEAR Oil Impregnated Spider Insert: FC20 Coupling Size, 2 in Outside Dia, Inch, 1.6 hp (MPN XFCBB20)
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)
BOSTON GEAR Oil Resistant Spider Insert: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.19 hp (MPN XFCA12)
BOSTON GEAR
BOSTON GEAR Oil Resistant Spider Insert: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.19 hp (MPN XFCA12)

More from BOSTON GEAR

View all BOSTON GEAR parts
BOSTON GEAR Oil Impregnated Spider Insert: FC30 Coupling Size, 3 in Outside Dia, Inch, 5.10 hp (MPN XFCBB30)
BOSTON GEAR
BOSTON GEAR Oil Impregnated Spider Insert: FC30 Coupling Size, 3 in Outside Dia, Inch, 5.10 hp (MPN XFCBB30)
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 Synthetic Rubber Spider Insert: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.1 hp (MPN XFCR12)
BOSTON GEAR
BOSTON GEAR Synthetic Rubber Spider Insert: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.1 hp (MPN XFCR12)
BOSTON GEAR Oil Impregnated Spider Insert: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, 11.1 hp (MPN XFCBB38)
BOSTON GEAR
BOSTON GEAR Oil Impregnated Spider Insert: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, 11.1 hp (MPN XFCBB38)
BOSTON GEAR Polyurethane Spider Insert: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, 1.2 hp (MPN XFCA25)
BOSTON GEAR
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)
BOSTON GEAR
BOSTON GEAR Polyurethane Spider Insert: FC30 Coupling Size, 3 in Outside Dia, Inch, 2.2 hp (MPN XFCA30)
BOSTON GEAR Oil Resistant Spider Insert: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, 2.5 hp (MPN XFCR38)
BOSTON GEAR
BOSTON GEAR Oil Resistant Spider Insert: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, 2.5 hp (MPN XFCR38)
BOSTON GEAR Polyurethane Spider Insert: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch, 7.5 hp (MPN XFCA45)
BOSTON GEAR
BOSTON GEAR Polyurethane Spider Insert: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch, 7.5 hp (MPN XFCA45)