Clear All
System of Measurement System of Measurement |
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Pulley Type Pulley Type |
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 | Idler |
For Belt Type For Belt Type |
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Material Material | Show |
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For Shaft Type For Shaft Type |
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 | Round |
Shaft Mount Type Shaft Mount Type |
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 | Slip Fit |
Bore Type Bore Type |
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 | Finished |
Fabrication Fabrication |
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Bearing Material Bearing Material |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Number of Grooves Number of Grooves |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Bearing Seal Type Bearing Seal Type |
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Flat-Belt Idler Pulleys
Cast Iron
These pulleys spin freely on built-in bearings to maintain tension for reduced wear and vibration. They’re often used with belt tensioners (sold separately).
Steel and cast iron pulleys are more durable than nylon pulleys.
Pulleys with ball bearings ensure proper positioning inside a tube or housing. They’re sealed to block out dust and contaminants better than pulleys with needle roller bearings.
Pulleys with needle roller bearings minimize internal friction.
For technical drawings and 3-D models, click on a part number.
| For Belt Wd. | OD | For Shaft Dia. | Dia. | Wd. | Groove Dp. | Material | Each | |
With Ball Bearings | ||||||||
|---|---|---|---|---|---|---|---|---|
| 11/16" | 2 1/2" | 0.635" | 2 1/4" | 7/8" | 0.125" | Cast Iron | 0000000 | 000000 |
| 1 1/16" | 4 1/2" | 0.635" | 4" | 1 7/16" | 0.25" | Cast Iron | 0000000 | 000000 |
| 2 1/16" | 4 1/2" | 0.635" | 4" | 2 7/16" | 0.25" | Cast Iron | 0000000 | 000000 |
| 3 1/16" | 4 1/2" | 0.635" | 4" | 3 7/16" | 0.25" | Cast Iron | 0000000 | 000000 |
| 4 1/2" | 7" | 1" | 6" | 5" | 0.5" | Cast Iron | 0000000 | 000000 |
| 6 1/4" | 7" | 1" | 6" | 6 3/4" | 0.5" | Cast Iron | 0000000 | 000000 |
With Needle Roller Bearings | ||||||||
| 1 1/16" | 4 1/2" | 1" | 4" | 1 7/16" | 0.25" | Cast Iron | 000000 | 00000 |
| 2 1/16" | 4 1/2" | 1" | 4" | 2 7/16" | 0.25" | Cast Iron | 000000 | 00000 |
| 3 1/16" | 4 1/2" | 1" | 4" | 3 7/16" | 0.25" | Cast Iron | 000000 | 000000 |
| 4 1/2" | 7" | 1 1/2" | 6" | 5" | 0.5" | Cast Iron | 0000000 | 000000 |