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
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PINS
BUSHINGS
SIDEBARS
TYPICAL APPLICATIONS
COMMON INDUSTRIES
INDUSTRIALS MINERALS
MINING
CEMENT
FERTILIZER
OIL & GAS
POWER GENERATOR
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
Item # |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
FB3067 | N/A 3.067 in | N/A 1.56 in | N/A 1.50 in | N/A 0.75 in | N/A 2.25 in | N/A 0.38 in | N/A 1.72 in | N/A 2.13 in | N/A 3.84 in | N/A 141000 lb | N/A 7600 lb |
FB3075 | N/A 3.075 in | N/A 1.31 in | N/A 1.25 in | N/A 0.68 in | N/A 1.50 in | N/A 0.38 in | N/A 1.63 in | N/A 1.88 in | N/A 3.50 in | N/A 69000 lb | N/A 4900 lb |
FB3035 | N/A 3.000 in3.500 in | N/A 1.88 in | N/A 1.50 in | N/A 0.99 in | N/A 2.50 in | N/A 0.56 in | N/A 2.28 in | N/A 2.72 in | N/A 5.00 in | N/A 160000 lb | N/A 10400 lb |
FB3040 | N/A 3.000 in4.000 in | N/A 1.88 in | N/A 1.50 in | N/A 0.99 in | N/A 2.50 in | N/A 0.56 in | N/A 2.28 in | N/A 2.72 in | N/A 5.00 in | N/A 160000 lb | N/A 10400 lb |
FB3500 | N/A 3.500 in | N/A 2.25 in | N/A 1.75 in | N/A 1.13 in | N/A 2.75 in | N/A 0.56 in | N/A 2.47 in | N/A 2.91 in | N/A 5.38 in | N/A 164000 lb | N/A 13300 lb |
FB3750 | N/A 3.750 in | N/A 2.25 in | N/A 1.75 in | N/A 1.19 in | N/A 2.75 in | N/A 0.56 in | N/A 2.53 in | N/A 2.84 in | N/A 5.37 in | N/A 160000 lb | N/A 14000 lb |
FB4000 | N/A 4.000 in | N/A 1.94 in | N/A 1.75 in | N/A 0.94 in | N/A 2.38 in | N/A 0.56 in | N/A 2.45 in | N/A 2.75 in | N/A 5.20 in | N/A 140000 lb | N/A 10000 lb |
FB4500 | N/A 4.500 in | N/A 2.75 in | N/A 2.38 in | N/A 1.37 in | N/A 3.50 in | N/A 0.63 in | N/A 2.91 in | N/A 3.34 in | N/A 6.25 in | N/A 283500 lb | N/A 19200 lb |
FB5500 | N/A 5.500 in | N/A 2.75 in | N/A 2.50 in | N/A 1.46 in | N/A 4.00 in | N/A 0.75 in | N/A 3.19 in | N/A 3.63 in | N/A 6.81 in | N/A 315000 lb | N/A 21700 lb |
FB6000 | N/A 6.000 in | N/A 3.63 in | N/A 2.75 in | N/A 1.75 in | N/A 4.50 in | N/A 0.88 in | N/A 3.84 in | N/A 4.17 in | N/A 8.02 in | N/A 480000 lb | N/A 33000 lb |