Chain Tensioners | McMaster-Carr

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Roller Chain Trade Number

Strand Type

Material

Mounting Position

For Idler ID

Tension Force

Housing Material

Thread Size

Chain Standard

Overall Width

Overall Depth

RoHS

Tension Arm Length

Export Control Classification Number (ECCN)

Length

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

Yes

DFARS Specialty Metals

REACH

Mounting Plate Width

Depth

For Roller Chain Pitch

Handle Style

Maximum Temperature

Width

Number of Mounting Holes

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How can we improve?

110 Products

Chain and Belt Tensioners

Floating Roller Chain Tensioners

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

21 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

Channel-Guided Roller Chain Tensioners

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

16 products

Adjustable-Screw Roller Chain and Belt Tensioners

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

7 products

Adjustable-Arm Roller Chain and Belt Tensioners

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

9 products

Roller Chain Tensioning Rings

Absorb slack in confined spaces where maintenance may be difficult

13 products

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

Low-Profile Channel-Guided Roller Chain Tensioners

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

8 products

Heavy Duty Spring-Loaded Roller Chain and Belt Tensioners

Maintain drive tension on large belt and chain drives

3 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

Roller Chain Pullers

Keep roller chain in place while you add or remove links

4 products

Load Binders

Reduce slack in rope, straps, and chain to ensure a secure fit around loads

12 products