Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
BOSTON GEAR Oil Impregnated Spider Insert: FC12 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: FC12 Coupling Size, 1 1/4 in Outside Dia

The BOSTON GEAR Oil Impregnated Spider Insert is a high-torque straight jaw spider for FC12 coupling size applications. This inch-sized insert has a 1 1/4 in outside diameter and is rated for 0.32 hp (MPN XFCBB12).

SKU 3G-OTH-133816

Brand
BOSTON GEAR
Item
Oil Impregnated Spider Insert: FC12 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 engineer
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

Technical Specifications

BOSTON GEAR
Manufacturer Part Number
XFCBB12
Type
Inch, 0.32 hp
Outside Dia
1 1/4 in
View Full Spec Sheet

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 FC12 coupling size applications. This inch-sized insert has a 1 1/4 in outside diameter and is rated for 0.32 hp (MPN XFCBB12).

Frequently Asked Questions

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

The BOSTON GEAR Oil Impregnated Spider Insert is a high-torque straight jaw spider used in FC12 coupling applications to transmit torque between shafts while dampening vibration and compensating for minor misalignment. It is commonly found in industrial power transmission systems, conveyors, and pump drives.

What are the specifications of the BOSTON GEAR XFCBB12 spider insert?

The BOSTON GEAR XFCBB12 Oil Impregnated Spider Insert is an inch-sized component with a 1 1/4 in outside diameter, rated for 0.32 hp. It is designed for FC12 coupling size and is manufactured by BOSTON GEAR. The oil-impregnated material provides self-lubrication for extended service life.

Where to buy BOSTON GEAR spider inserts for worldwide delivery?

3G Electric supplies BOSTON GEAR spider inserts like the XFCBB12 for worldwide delivery. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this high-torque straight jaw spider.

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 (0.32 hp) to your application. Ensure the jaw profile (straight jaw) aligns with your coupling halves. For assistance, consult 3G Electric's technical team.

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 →

Similar products

Matched by specification & description
BOSTON GEAR Oil Impregnated Spider Insert: FC15 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.79 hp (MPN XFCBB15). Key specifications — attr662280: 0.79 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Oil Impregnated Spider Insert: FC15 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.79 hp (MPN XFCBB15). Key specifications — attr662280: 0.79 hp; attr662259: BOSTON GEAR.
BOSTON GEAR Oil Impregnated Spider Insert: FC20 Coupling Size, 2 in Outside Dia, Inch, 1.6 hp (MPN XFCBB20). Key specifications — attr662280: 1.6 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Oil Impregnated Spider Insert: FC20 Coupling Size, 2 in Outside Dia, Inch, 1.6 hp (MPN XFCBB20). Key specifications — attr662280: 1.6 hp; attr662259: BOSTON GEAR.
BOSTON GEAR Oil Impregnated Spider Insert: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, 11.1 hp (MPN XFCBB38). Key specifications — attr662280: 11.1 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Oil Impregnated Spider Insert: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, 11.1 hp (MPN XFCBB38). Key specifications — attr662280: 11.1 hp; attr662259: BOSTON GEAR.
BOSTON GEAR Oil Impregnated Spider Insert: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch, 17.5 hp (MPN XFCBB45). Key specifications — attr662280: 17.5 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Oil Impregnated Spider Insert: FC45 Coupling Size, 4 1/2 in Outside Dia, Inch, 17.5 hp (MPN XFCBB45). Key specifications — attr662280: 17.5 hp; attr662259: BOSTON GEAR.
BOSTON GEAR Oil Impregnated Spider Insert: FC30 Coupling Size, 3 in Outside Dia, Inch, 5.10 hp (MPN XFCBB30). Key specifications — attr662280: 5.10 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Oil Impregnated Spider Insert: FC30 Coupling Size, 3 in Outside Dia, Inch, 5.10 hp (MPN XFCBB30). Key specifications — attr662280: 5.10 hp; attr662259: BOSTON GEAR.
BOSTON GEAR Synthetic Rubber Spider Insert: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.1 hp (MPN XFCR12). Key specifications — attr662280: 0.1 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Synthetic Rubber Spider Insert: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.1 hp (MPN XFCR12). Key specifications — attr662280: 0.1 hp; attr662259: BOSTON GEAR.

More from BOSTON GEAR

View all BOSTON GEAR parts →
BOSTON GEAR Polyurethane Spider Insert: FC20 Coupling Size, 2 in Outside Dia, Inch, 0.7 hp (MPN XFCA20). Key specifications — attr662280: 0.7 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Polyurethane Spider Insert: FC20 Coupling Size, 2 in Outside Dia, Inch, 0.7 hp (MPN XFCA20). Key specifications — attr662280: 0.7 hp; attr662259: BOSTON GEAR.
BOSTON GEAR Oil Resistant Spider Insert: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.19 hp (MPN XFCA12). Key specifications — attr662280: 0.19 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Oil Resistant Spider Insert: FC12 Coupling Size, 1 1/4 in Outside Dia, Inch, 0.19 hp (MPN XFCA12). Key specifications — attr662280: 0.19 hp; attr662259: BOSTON GEAR.
BOSTON GEAR Oil Resistant Spider Insert: FC20 Coupling Size, 2 in Outside Dia, Inch, 0.4 hp, Rubber (MPN XFCR20). Key specifications — attr662280: 0.4 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Oil Resistant Spider Insert: FC20 Coupling Size, 2 in Outside Dia, Inch, 0.4 hp, Rubber (MPN XFCR20). Key specifications — attr662280: 0.4 hp; attr662259: BOSTON GEAR.
BOSTON GEAR Oil Impregnated Spider Insert: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, 2.9 hp (MPN XFCBB25). Key specifications — attr662280: 2.9 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Oil Impregnated Spider Insert: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, 2.9 hp (MPN XFCBB25). Key specifications — attr662280: 2.9 hp; attr662259: BOSTON GEAR.
BOSTON GEAR Oil Resistant Spider Insert: FC15 Coupling Size, 1 1/2 in Outside Dia, Inch, 0.2 hp (MPN XFCR15). Key specifications — attr662280: 0.2 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Oil Resistant Spider Insert: FC15 Coupling Size, 1 1/2 in Outside Dia, Inch, 0.2 hp (MPN XFCR15). Key specifications — attr662280: 0.2 hp; attr662259: BOSTON GEAR.
BOSTON GEAR Oil Resistant Spider Insert: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, 0.71 hp (MPN XFCR25). Key specifications — attr662280: 0.71 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Oil Resistant Spider Insert: FC25 Coupling Size, 2 1/2 in Outside Dia, Inch, 0.71 hp (MPN XFCR25). Key specifications — attr662280: 0.71 hp; attr662259: BOSTON GEAR.
BOSTON GEAR Polyurethane Spider Insert: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, 4.30 hp (MPN XFCA38). Key specifications — attr662280: 4.30 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Polyurethane Spider Insert: FC38 Coupling Size, 3 3/4 in Outside Dia, Inch, 4.30 hp (MPN XFCA38). Key specifications — attr662280: 4.30 hp; attr662259: BOSTON GEAR.
BOSTON GEAR Polyurethane Spider Insert: FC15 Coupling Size, 1 1/2 in Outside Dia, Inch, 0.37 hp (MPN XFCA15). Key specifications — attr662280: 0.37 hp; attr662259: BOSTON GEAR.
BOSTON GEAR
BOSTON GEAR Polyurethane Spider Insert: FC15 Coupling Size, 1 1/2 in Outside Dia, Inch, 0.37 hp (MPN XFCA15). Key specifications — attr662280: 0.37 hp; attr662259: BOSTON GEAR.