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Fenner Drives CT2101 chain tensioner large arch UHMWPE guide

Fenner Drives

Fenner Drives CT2101 Large Arch Chain Tensioner 20-60 lbf

SKU CH-YR1M-Y15ZC

Linear chain tensioner for #50 single-strand chain with a large-arch UHMWPE guide, adjustable from 20 to 60 lbf

  • TypeTensioners & Tighteners
  • Adjustable tension range 20 to 60 lbf for precise chain control
  • Large arch channel guide head fits chain number 50 single strand
  • UHMWPE head material resists wear and reduces operational noise
  • 5 inch head length provides extended chain contact surface
  • 87 inch head width ensures proper chain alignment

Chain tensioner for single-strand drives

The Fenner Drives CT2101 is a linear chain tensioner built for single-strand roller chain number 50. Its large-arch channel guide is moulded from UHMWPE to reduce wear and noise while keeping the chain aligned. The unit suits new installations or maintenance replacements where a compact, corrosion-resistant tensioner is required.

Sustained tension within a 20 to 60 lbf window

Under continuous operation the spring applies a force that stays between 20 lbf and 60 lbf, so the chain remains taut without overloading pins or sprockets. The UHMWPE head resists abrasion and does not need lubrication, allowing long intervals between adjustments. The wide force range accommodates chain stretch and load variation without manual retensioning.

Fits chain number 50 with a 5.5 in by 0.87 in guide

The channel guide measures 5.5 in long and 0.87 in wide, matching the pitch and roller width of number 50 chain. This single dimension set decides whether the tensioner will engage the chain correctly; if your drive uses a different chain size the guide will not sit properly.

Highlights

  • Adjustable tension range 20 to 60 lbf for precise chain control
  • Large arch channel guide head fits chain number 50 single strand
  • UHMWPE head material resists wear and reduces operational noise
  • 5 inch head length provides extended chain contact surface
  • 87 inch head width ensures proper chain alignment

Specifications

TypeTensioners & Tighteners

Questions about this item

Does the CT2101 generate noticeable noise or heat when it runs continuously at 60 lbf?

The tensioner is a passive mechanical device with no motor or powered components, so it produces no operational noise or heat regardless of the load within its 20 to 60 lbf range.

What chain size and strand count must I already have for the CT2101 to fit?

It is designed for a single strand of ANSI #50 roller chain and uses a UHMWPE channel guide head that is 5.5 in long and .87 in wide to engage the chain.

Will the large arch head of the CT2101 clear the sprockets on my existing #50 drive?

The large arch profile provides extra wrap clearance around standard #50 sprockets, and the fixed 5.5 in head length and .87 in width match the chain pitch without modification.

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