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Black rubber banded V-belt, two joined bands, wrapped edges, closed loop

Dayton

Dayton 3HEY9 2/B72 Banded V-Belt 75.8 in outside length 1 21/64 in top width 2 bands

SKU CH-6V48-TC6QQ

A banded V-belt with two bands, 75.8 in outside length and 1 21/64 in top width, built for heavy industry and HVAC applications

  • 8 in outside length fits long-centre drives
  • 2 bands share load for heavy-duty power transmission
  • 1 21/64 in top width matches B-series pulleys
  • Polyester cord reinforcement resists stretch under tension
  • Wrapped rubber construction rated to 194 °F operating temperature

What this belt is and who needs it

The Dayton 3HEY9 2/B72 is a banded V-belt built for heavy industry, HVAC and light industry drives. It uses a rubber-compound wrap with polyester reinforcing cords and comes in the Power King Combo series. The two-band design keeps the strands aligned on multi-groove pulleys.

Check your pulley and length before ordering

Verify that your drive uses a B-section belt with a 75.8 in outside length and a 1 21/64 in top width. The minimum pulley pitch diameter is 5.4 in. Ensure the centre distance and tensioning range can accommodate a closed-loop belt of this exact length.

Heat, noise and power draw in normal use

The belt is rated for a maximum operating temperature of 194 Degrees F. The wrapped rubber construction runs quietly on standard B-section sheaves and transmits power efficiently through the polyester cords. No lubrication is required during operation.

Highlights

  • 8 in outside length fits long-centre drives
  • 2 bands share load for heavy-duty power transmission
  • 1 21/64 in top width matches B-series pulleys
  • Polyester cord reinforcement resists stretch under tension
  • Wrapped rubber construction rated to 194 °F operating temperature

Specifications

No published specifications for this item yet.

Questions about this item

Does the Dayton 3HEY9 2/B72 banded V-belt arrive as a single closed loop, or must I buy a joining kit separately?

The belt is a closed loop with two bands already joined, so no extra joining kit or splice components are required for installation.

When should I choose the 2/B72 version instead of a single-band B-section belt?

Choose the 2/B72 when the drive needs two B-section bands side by side to share higher loads or to fit a pulley set designed for dual-band tracking.

What does the 75.8 in outside length mean once the belt is tensioned on 5.4 in minimum pitch pulleys?

It is the nominal outer circumference; the effective pitch length will be slightly shorter, so centre distance must be set to take up slack while keeping wrap on the minimum 5.4 in pulleys.

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