Part # 27134, FB3750 CHAIN - DUAL EXTENDED PINS On U.S. Tsubaki Inc.

Leveraging over a century of mining/aggregate conveying experience, Tsubaki is proud to offer a market leading portfolio of premium heavy duty feeder/breaker chains. These offerings are each uniquely designed to achieve ultimate durability, predictability and reliability in the most demanding feeder applications.

Upgrades Available: Corrosion Resistance, Titan XL, SJ3 Sealed Technology

Custom Flights and Flight Assemblies Available

PINS

Premium grade alloy steel.
Heat treated for superior strength and toughness.
- Core – Through hardened for superior impact resistance.
- Surface – Induction hardened for extended wear resistance.
Precision manufactured to maintain high interference fit with sidebars.
Prevents pin rotation and subsequent sidebar wear.

BUSHINGS

Premium alloy steel.
Heat treated for superior strength.
- Core – Through hardened for toughness/impact resistance.
- Surface – Case hardened for ultimate/extended wear resistance.
Precision manufactured to maintain high interference fit with sidebars.
Favorable residual stresses resist fatigue and allow for extended life.

SIDEBARS

Alloy or premium grade carbon steel.
Through hardened for superior strength, toughness and fatigue resistance.
Induction hardened sidebar edges are also available for extended wear resistance.
Proprietary manufacturing processes ensure consistent hole quality and precise pitch control.
High quality hole finish increases fatigue resistance.

TYPICAL APPLICATIONS

Underground Feeder/Breakers
Above Ground Feeders/Breaker
Dozer Trap Style Feeders
Submerged Flight Systems

COMMON INDUSTRIES
INDUSTRIALS MINERALS
MINING
CEMENT
FERTILIZER
OIL & GAS
POWER GENERATOR

FB3750 CHAIN - DUAL EXTENDED PINS

Unit of Measure

Specifications

Brand	N/A Tsubaki
Pin Type	N/A Cottered
Attachment Spacing	N/A 4L
Pitch	N/A 3.750 in
Inside Width - A	N/A 2.25 in
Bushing Diameter - B	N/A 1.75 in
Pin Diameter - C	N/A 1.19 in
Sidebar Height - D	N/A 2.75 in
Sidebar Thickness - E	N/A 0.56 in
Pin Head to CL - F	N/A 2.53 in
Pin End to CL -G	N/A 2.84 in
Overall Width - H	N/A 5.37 in
Average Ultimate Strength	N/A 160000 lb
Max Working Load	N/A 14000 lb
Weight 2L	N/A 0 lbs/ft
Pitches Per Foot	N/A 3.20 in

Specifications

Brand

Pin Type

Attachment Spacing

Pitch

Inside Width - A

Bushing Diameter - B

Pin Diameter - C

Sidebar Height - D

Sidebar Thickness - E

Pin Head to CL - F

Pin End to CL -G

Overall Width - H

Average Ultimate Strength

Max Working Load

Weight 2L

Pitches Per Foot