Roller Chain Idler Sprocket (ANSI 35, 19 Teeth, 3/8" Bore)

35BB19 Sprocket featuring 19 hardened teeth and a high-quality ball bearing. This durable sprocket is used in both the Tommy Molded Mat Washer and the Tommy Flat Mat Washer

SKU: P-C2325
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$20.30
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This 35BB19H Idler Sprocket is designed for superior performance and longevity in chain drive systems, particularly those found in the Tommy Mat Washers. Its primary function is to guide the 35 roller chain, take up slack, or change the direction of the chain drive.


The sprocket is built to be extremely durable and high-performance in a demanding, wet industrial environment:


  • Chain Compatibility: Manufactured specifically for 35 roller chain and fully meets all ANSI Standards.
  • Hardened Teeth: Features 19 hardened teeth to ensure exceptional wear resistance and a long working life.
  • Bearing: Classified as a Ball Bearing Idler Sprocket, featuring a high-quality ball bearing with a nominal 3/8" inner diameter (0.394" Bore) for smooth, low-friction operation.
  • Construction: Manufactured out of high-quality steel and components for great performance.


This idler sprocket is a critical maintenance item for ensuring the proper function and longevity of the Mat Washer's chain drive mechanisms.

  • Sprocket Number: 35BB19H
  • Product Type: Roller Chain Idler Sprocket
  • Chain Size (ANSI): 35 roller chain
  • Number of Teeth: 19 (Hardened)
  • Bearing Type: Ball Bearing
  • Bore Size (Shaft ID): 3/8" (0.394")
  • Outside Diameter: 2.47"
  • Length Thru Bore: 0.38"
  • Material: High Quality Steel
  • Standards: Fully Meets All ANSI Standards
  • Application: Tommy Molded Mat Washer and Tommy Flat Mat Washer
  • Dual Mat Washer Use: Applicable in both the Molded and Flat Mat Washer chain drives.
  • High Durability: 19 hardened teeth and high-quality steel construction ensure a long working life.
  • Smooth Operation: Integrated ball bearing provides low-friction, high-performance rotation.
  • ANSI 35 Standard: Designed for full compatibility with 35 roller chain systems.

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