U.S. Tsubaki Power Transmission, LLC
U.S. Tsubaki Holdings, Inc.
Corporate Headquarters
301 E. Marquardt Dr.
Wheeling, IL 60090 USA

Toll Free: 800.323.7790
Phone: 847.459.9500
Fax: 847.459.9515
Email: sales@ustsubaki.com
Website: www.ustsubaki.com
Print Back
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
Unit of Measure

Specifications

Chain Number

 N/A US1242

Alternate Part Number

 N/A RO4

Sidebar Style

 N/A 1

Pitch

 N/A 4.063 in

Weight per Pitch

 N/A 5.4 lb

Maximum Continuous Strand Length Available

 N/A 197 Pitches

Inside Width - A

 N/A 1.94 in

Roller Diameter - B

 N/A 1.75 in

Pin Diameter - C

 N/A 0.88 in

Sidebar Height - D

 N/A 2.25 in

Sidebar Thickness - E

 N/A 0.50 in

Pin Head to CL - F

 N/A 2.25 in

Pin End to CL -G

 N/A 2.56 in

Overall Width - H

 N/A 4.81 in

Average Ultimate Strength

 N/A 158000 lb

Max Working Load

 N/A 9000 lb