Belt Tighteners | McMaster-Carr

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Roller Chain Trade Number

Material

Strand Type

Shaft Diameter

For Idler ID

Mounting Position

Tension Force

Maximum Adjustment Length

Thread Size

Height

Housing Material

RoHS

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

1C999

EAR99

DFARS Specialty Metals

Chain Standard

Overall Width

Mounting Hole Center-to-Center Length

REACH

Overall Depth

Adjusting Screw Material

Width

Diameter

Tension Arm Length

Depth

122 Products

Chain and Belt Tensioners

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

Maintain correct tension and control it in a 360° arc with the adjustable arm

5 products

Spring-Loaded Adjustable-Arm Roller Chain and Belt Tensioners

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

9 products

Adjustable-Arm Roller Chain and Belt Tensioners

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

9 products

Adjustable-Screw Roller Chain and Belt Tensioners

Move the adjustment screw to precisely apply tension in a straight line

7 products

Heavy Duty Spring-Loaded Roller Chain and Belt Tensioners

Maintain drive tension on large belt and chain drives

3 products

Floating Roller Chain Tensioners

Mount directly on the chain drive and adjust straps to apply constant tension

21 products

Channel-Guided Roller Chain Tensioners

Built-in springs apply constant tension to buffer shock and ease vibrations

16 products

Low-Profile Channel-Guided Roller Chain Tensioners

Install in low-clearance drives where tensioners must be less than 4" tall

8 products

Ultra-Low-Profile Channel-Guided Roller Chain Tensioners

Install in low-clearance drives where tensioners must be less than 3" tall

2 products

Other Products

Conveyor Belt Take-Up Frames

Adjust the tension on conveyor belts by extending or retracting pulleys

42 products

Idler Shafts

Support idler sprockets and pulleys in tensioning applications

3 products

Conveyor Belt Take-Up Bearings

Use with take-up frames to adjust tension on conveyor belts

14 products