Conveyor Belt Tensioners | McMaster-Carr

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Shaft Diameter

Material

Stainless Steel

Maximum Adjustment Length

Height

Length

Mounting Hole Center-to-Center Length

Adjusting Screw Material

Stainless Steel

Mounting Hole Center-to-Center Height

Width

Roller Chain Trade Number

DFARS Specialty Metals

OD

Mounting Hole Diameter

REACH

RoHS

Export Control Classification Number (ECCN)

Housing Material

304 Stainless Steel

For Idler ID

Mounting Slot Center-to-Center Height

2 15/16" to 4 5/16"

3 13/16" to 5 11/16"

5 9/16" to 8 11/16"

Tension Force

5 lbf to 30 lbf

7 lbf to 13 lbf

13 lbf to 19 lbf

13 lbf to 29 lbf

15 lbf to 40 lbf

Maximum Temperature

Mounting Position

Maximum Rotation Speed

Minimum Temperature

Dynamic Load Capacity

Mounting Slot Width

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135 Products

Conveyor Belt Tensioners

Conveyor Belt Tensioners

A tensioner extends or retracts the conveyor pulley to adjust the tension on the conveyor belt.

Bearings for Conveyor Belt Tensioners

Bearings for Conveyor Belt Tensioners

Use on a conveyor pulley with a conveyor belt tensioner to adjust the tension on a conveyor belt.

Enclosed Conveyor Belt Tensioners

Enclosed Conveyor Belt Tensioners

These tensioners have a totally enclosed adjusting screw to prevent debris buildup and thread damage.

Tensioners for Chain and Belt Drives

Heavy Duty Spring-Loaded Adjustable-Arm
Belt and Roller Chain Tensioners

Heavy Duty Spring-Loaded Adjustable-Arm Belt and Roller Chain Tensioners

Maintain correct drive tension to ensure smooth operation for maximum power and a long service life.

Heavy Duty Spring-Loaded Belt
and Roller Chain Tensioners

Designed for large belt and chain drives, these tensioners maintain correct drive tension for smooth operation, maximum power, and a long service life.

Spring-Loaded Adjustable-Arm
Roller Chain and Belt Tensioners

Spring-Loaded Adjustable-Arm Roller Chain and Belt Tensioners

Apply continuous tension and automatically take up slack at any point in a 180° arc.

Adjustable-Screw Roller Chain and Belt Tensioners

Adjustable-Screw Roller Chain and Belt Tensioners

Precisely apply tension in a straight line by moving the adjustment screw.

Adjustable-Arm Roller Chain and Belt Tensioners

Adjustable-Arm Roller Chain and Belt Tensioners

Position the adjustment arm to control tension in a 360° arc.

Ultra-Low-Profile Channel-Guided
Roller Chain Tensioners

Able to fit in tight spots, these tensioners are less than 3" tall.

Channel-Guided Roller Chain Tensioners

These tensioners range in height from 5 15/32" to 7 25/32".

Low-Profile Channel-Guided
Roller Chain Tensioners

At less than 4" in height, these tensioners are good for use on low-clearance drives.

Roller Chain Tensioning Rings

Install these rings between strands of chain to absorb slack without the need for realignment, lubrication, or tools—good for use in confined spaces where maintenance may be difficult.

Floating Roller Chain Tensioners

Mount these tensioners directly onto your chain drive. They have adjustable straps that take up slack and apply constant tension.

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)