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Tsubaki is proud to offer a market leading portfolio of Engineering Class Drive Chains. This unique and encompassing collection of premium designs has been continuously improved and perfected over the last century.
Manufactured in Sandusky, Ohio since 1917, this cornerstone product is widely recognized around the world for its superior quality and workmanship. When it comes to efficient power transfer, Tsubaki Drive Chain is second to none.

PINS
  • Premium 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.
    • Surface – Case hardened for ultimate/extended wear resistance.
  • Precision manufactured to maintain smooth bearing surfaces and high interference fit with sidebars.
    • Favorable residual stresses resist fatigue and allow for extended life.
SIDEBARS
  • Premium alloy steel.
  • Heat treated for superior strength, toughness and fatigue resistance.
  • Proprietary manufacturing processes ensure consistent hole quality and precise pitch control.
ROLLERS
  • Premium alloy steel.
  • Through hardened for superior strength, toughness and the ability to withstand high shock loads.
TYPICAL APPLICATIONS
  • Mechanical Drives
  • Drum Drives
  • Draw Bench
  • Crawler Crane Drives
COMMON INDUSTRIES
ASPHALT
MINING
CEMENT
INDUSTRIALS MINERALS
OIL & GAS
GENERAL MANUFACTURING
FORESTRY, PULP, PAPER
Drive-Chain---Offset-Sidebar
Drive-Chain---Offset-Sidebar_2
Unit of Measure
1 2 

Tsubaki Part Number

Chain Number

Alternate Part Number

Sidebar Style

Pitch

Inside Width - A

Roller 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

Quantity
25535 N/A US4122 N/A RO1345 N/A 1 N/A 4.090 in N/A 1.94 in N/A 2.00 in N/A 1.10 in N/A 2.75 in N/A 0.56 in N/A 2.39 in N/A 2.76 in N/A 5.15 in N/A 235000 lb N/A 11700 lb
11039 N/A US4522 N/A RO635 N/A 1 N/A 4.500 in N/A 2.06 in N/A 2.25 in N/A 1.10 in N/A 3.00 in N/A 0.56 in N/A 2.45 in N/A 2.86 in N/A 5.31 in N/A 249000 lb N/A 12300 lb
23694 N/A N/A RO1634A N/A 1 N/A 5.000 in N/A 2.31 in N/A 2.50 in N/A 1.13 in N/A 3.00 in N/A 0.56 in N/A 2.56 in N/A 3.00 in N/A 5.56 in N/A 236000 lb N/A 13500 lb
11634 N/A US5031 N/A RO1602AA N/A 1 N/A 5.000 in N/A 2.75 in N/A 2.50 in N/A 1.25 in N/A 3.50 in N/A 0.63 in N/A 2.92 in N/A 3.36 in N/A 6.28 in N/A 321000 lb N/A 17500 lb
17443 N/A US5035 N/A N/A 1 N/A 5.000 in N/A 2.56 in N/A 2.50 in N/A 1.38 in N/A 3.50 in N/A 0.75 in N/A 3.08 in N/A 3.51 in N/A 6.59 in N/A 350000 lb N/A 19500 lb
25367 N/A N/A RO1605AK N/A 1 N/A 5.000 in N/A 2.75 in N/A 2.50 in N/A 1.37 in N/A 3.50 in N/A 0.75 in N/A 3.17 in N/A 3.58 in N/A 6.75 in N/A 389000 lb N/A 20500 lb
17289 N/A US5542 N/A N/A 1 N/A 5.500 in N/A 3.00 in N/A 3.00 in N/A 1.50 in N/A 4.00 in N/A 0.75 in N/A 3.40 in N/A 3.85 in N/A 7.25 in N/A 440000 lb N/A 23600 lb
18321 N/A US5738 N/A N/A 1 N/A 5.750 in N/A 3.00 in N/A 3.00 in N/A 1.50 in N/A 4.00 in N/A 0.69 in N/A 3.28 in N/A 3.72 in N/A 7.00 in N/A 402000 lb N/A 23000 lb
10809 N/A US6042 N/A RO6042 N/A 1 N/A 6.000 in N/A 3.00 in N/A 3.00 in N/A 1.50 in N/A 4.00 in N/A 0.75 in N/A 3.41 in N/A 3.84 in N/A 7.25 in N/A 451000 lb N/A 23600 lb
19226 N/A US6066 N/A N/A 1 N/A 6.000 in N/A 3.00 in N/A 0.00 in N/A 1.75 in N/A 4.75 in N/A 0.75 in N/A 3.55 in N/A 3.83 in N/A 7.38 in N/A 516000 lb N/A 27600 lb
23926 N/A N/A RO1626A N/A 1 N/A 6.000 in N/A 2.31 in N/A 3.25 in N/A 1.50 in N/A 4.00 in N/A 0.75 in N/A 3.06 in N/A 3.50 in N/A 6.56 in N/A 451000 lb N/A 20000 lb
Unit of Measure
1 2