Tensioner Bearings | McMaster-Carr

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System of Measurement

Shaft Diameter

Material

Bushing Trade Number

For Maximum Belt Width

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Number of Teeth

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Roller Chain Trade Number

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Bore Type

Belt Trade Size

Shaft Mount Type

Maximum Adjustment Length

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DFARS Specialty Metals

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

Yes

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Export Control Classification Number (ECCN)

Bushing Type

Quick Disconnect (QD)

1,050 Products

Material Handling

Conveyor Belt Take-Up Bearings

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

14 products

Conveyor Belt Take-Up Frames

Adjust the tension on conveyor belts by extending or retracting pulleys

42 products

Power Transmission

Chain and Belt Tensioners

Control tension on your roller chain or belt for smooth operation and a long service life

43 products

Flat Belt Idler Pulleys

Spin freely on built-in bearings to reduce wear and vibration on flat belts

7 products

Flat Belt Drive Pulleys

Pair with a flat belt to transfer motion from a rotating shaft

25 products

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

721 products

V-Belt Idler Pulleys

Spin freely on built-in bearings to reduce wear and vibration on V-belts

14 products

Round Belt Idler Pulleys

Spin freely on built-in bearings to reduce wear and vibration on round belts

21 products

Timing Belt Idler Pulleys

Add to your timing belt setup to minimize vibration and keep belts from wearing out

12 products

Timing Belt Drive Pulleys

Pair with a timing belt to keep your drive system in sync

290 products

V-Belt Drive Pulleys

Pair with a V-belt to transfer motion from a rotating shaft

10 products

Pivot Bearings

Best for applications that require small, precise oscillating motion with limited twisting

20 products

Measuring and Inspecting

Belt Tension Gauges

Check belt tension to minimize vibration, noise, and slippage

16 products