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.

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
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Unit of Measure
Items
Feeder Breaker Chains

Feeder Breaker Chains
Feeder Breaker Chains

Feeder Breaker Chains
Feeder Breaker Chains

Feeder Breaker Chains
Feeder Breaker Chains

Feeder Breaker Chains
Feeder Breaker Chains

Feeder Breaker Chains
Pitch - PITCH N/A 3.067 in N/A 3.075 in N/A 3.000 in3.500 in N/A 3.000 in4.000 in N/A 3.500 in
Pitch1 - PITCH1 N/A 0 in N/A 0 in N/A 3.500 in N/A 4.000 in N/A 0 in
Inside Width - A N/A 1.56 in N/A 1.31 in N/A 1.88 in N/A 1.88 in N/A 2.25 in
Bushing Diameter - B N/A 1.50 in N/A 1.25 in N/A 1.50 in N/A 1.50 in N/A 1.75 in
Pin Diameter - C N/A 0.75 in N/A 0.68 in N/A 0.99 in N/A 0.99 in N/A 1.13 in
Sidebar Height - D N/A 2.25 in N/A 1.5 in N/A 2.5 in N/A 2.5 in N/A 2.75 in
Sidebar Thickness - E N/A 0.38 in N/A 0.38 in N/A 0.56 in N/A 0.56 in N/A 0.56 in
Sidebar Thickness - E1 N/A 0 in N/A 0 in N/A 0.50 in N/A 0.50 in N/A 0.50 in
Pin Head to CL - F N/A 1.72 in N/A 1.63 in N/A 2.28 in N/A 2.28 in N/A 2.47 in
Pin End to CL -G N/A 2.13 in N/A 1.88 in N/A 2.72 in N/A 2.72 in N/A 2.91 in
Overall Width - H N/A 3.84 in N/A 3.50 in N/A 5.00 in N/A 5.00 in N/A 5.38 in
Average Ultimate Strength N/A 141000 lb N/A 69000 lb N/A 160000 lb N/A 160000 lb N/A 164000 lb
Max Working Load N/A 7600 lb N/A 4900 lb N/A 10400 lb N/A 10400 lb N/A 13300 lb