Washer Type Washer Type |
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 | Flat |
Thickness Thickness |
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Color Color | Show |
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 | Green |
Hardness Hardness |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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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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Outer Circumference Outer Circumference |
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For Minimum Pulley Diameter For Minimum Pulley Diameter |
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Reinforcement Material Reinforcement Material |
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About Sizing Belts
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About Washers
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Abrasion-Resistant Rubber and Plastic Sealing Washers
Made of durable material, these washers resist wear from rubbing and scraping surfaces. They create a light duty seal around fasteners to prevent fluids from leaking and damp vibration.
Aramid fabric/Buna-N rubber washers have good oil resistance.
For technical drawings and 3-D models, click on a part number.
Temperature Range, °F | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Screw Size | ID | OD | Thick. | Min. | Max. | Hardness | Color | Pkg. Qty. | Pkg. | |
Aramid Fabric/Buna-N Rubber | ||||||||||
| 1/4" | 0.250" | 0.500" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 10 | 000000000 | 00000 |
| 1/4" | 0.250" | 0.625" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 10 | 000000000 | 0000 |
| 5/16" | 0.312" | 0.625" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 10 | 000000000 | 0000 |
| 5/16" | 0.312" | 0.750" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 10 | 000000000 | 00000 |
| 3/8" | 0.375" | 0.625" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 10 | 000000000 | 0000 |
| 3/8" | 0.375" | 0.750" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 10 | 000000000 | 00000 |
| 1/2" | 0.500" | 0.875" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 5 | 000000000 | 0000 |
| 1/2" | 0.500" | 1.000" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 5 | 000000000 | 0000 |
| 5/8" | 0.625" | 1.000" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 5 | 000000000 | 0000 |
| 5/8" | 0.625" | 1.500" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 5 | 000000000 | 0000 |
| 3/4" | 0.750" | 1.500" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 5 | 000000000 | 0000 |
| 3/4" | 0.750" | 2.000" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 5 | 000000000 | 0000 |
| 1" | 1.000" | 1.500" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 5 | 000000000 | 0000 |
| 1" | 1.000" | 2.000" | 0.054"-0.070" | -20° | 460° | Durometer 70A | Green | 5 | 000000000 | 0000 |
Textured Round Belts
Often used with lathes and conveyors, these textured belts grip better than standard round belts, making sure heavy loads don’t slip. The solid core makes these belts strong and durable, and they stretch less than hollow core belts. Made from polyurethane, they hold up to chemicals and abrasion. Also known as O-ring and endless belts, they come ready to use.
For technical drawings and 3-D models, click on a part number.
| Outer Circumference, mm | Material | Color | Each | |
2 mm Dia. | ||||
|---|---|---|---|---|
| 203 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 229 | Polyurethane Rubber | Green | 00000000 | 0000 |
| 254 | Polyurethane Rubber | Green | 00000000 | 0000 |
| 279 | Polyurethane Rubber | Green | 00000000 | 0000 |
| 305 | Polyurethane Rubber | Green | 00000000 | 0000 |
| 406 | Polyurethane Rubber | Green | 00000000 | 0000 |
4 mm Dia. | ||||
| 203 | Polyurethane Rubber | Green | 00000000 | 0000 |
| 229 | Polyurethane Rubber | Green | 00000000 | 0000 |
| 254 | Polyurethane Rubber | Green | 00000000 | 0000 |
| 279 | Polyurethane Rubber | Green | 00000000 | 0000 |
| 305 | Polyurethane Rubber | Green | 00000000 | 0000 |
| 356 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 381 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 457 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 483 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 508 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 559 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 610 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 635 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 660 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 711 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 813 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 1,372 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 1,422 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 1,524 | Polyurethane Rubber | Green | 00000000 | 00000 |
6 mm Dia. | ||||
| 203 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 229 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 254 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 279 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 305 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 457 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 483 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 508 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 533 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 559 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 635 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 660 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 711 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 762 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 813 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 864 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 914 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 965 | Polyurethane Rubber | Green | 00000000 | 00000 |
8 mm Dia. | ||||
| 305 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 762 | Polyurethane Rubber | Green | 00000000 | 00000 |
10 mm Dia. | ||||
| 559 | Polyurethane Rubber | Green | 00000000 | 00000 |
| 711 | Polyurethane Rubber | Green | 00000000 | 00000 |
Chemical-Resistant Made-to-Order Round Belts
In addition to chemical resistance, these belts also provide increased abrasion resistance over heavy duty round belts. Also known as O-ring and endless belts, they come ready to use.
To Order: Please specify outer circumference in 1/4" increments.
For technical drawings and 3-D models, click on a part number.
| Dia. | Outer Circumference | For Min. Pulley Dia. | Material | Color | Per Inch | |
| 2mm | 8"-1,200" | 18mm | Polyurethane Rubber | Green | 0000000 | 00000 |
| 4mm | 8"-1,200" | 36mm | Polyurethane Rubber | Green | 0000000 | 000 |
| 6mm | 8"-1,200" | 54mm | Polyurethane Rubber | Green | 0000000 | 0000 |
| 8mm | 8"-1,200" | 71mm | Polyurethane Rubber | Green | 0000000 | 0000 |
| 10mm | 8"-1,200" | 89mm | Polyurethane Rubber | Green | 0000000 | 0000 |
Heavy Duty Made-to-Order Round Belts
These belts are reinforced with a polyester cord for strength. Also known as O-ring and endless belts, they come ready to use.
To Order: Please specify outer circumference in 1/4" increments.
For technical drawings and 3-D models, click on a part number.
| Dia. | Outer Circumference | For Min. Pulley Dia. | Material | Reinforcement Material | Color | Per Inch | |
| 1/8" | 13"-1,200" | 2 1/16" | Polyurethane Rubber | Polyester Plastic | Green | 000000 | 00000 |
| 3/16" | 13"-1,200" | 2 1/16" | Polyurethane Rubber | Polyester Plastic | Green | 000000 | 0000 |
| 1/4" | 13"-1,200" | 2 3/4" | Polyurethane Rubber | Polyester Plastic | Green | 000000 | 0000 |
| 5/16" | 13"-1,200" | 3 7/16" | Polyurethane Rubber | Polyester Plastic | Green | 000000 | 0000 |
Round Belting
This belting has a smooth, easy-to-clean surface. Good for light duty conveying and power-transmission applications, it is chemical and abrasion resistant and creates stronger connections than hollow-core belting. Join the ends with round belting connectors (sold separately) or use a welding kit.
For technical drawings and 3-D models, click on a part number.
Textured Round Belting
The textured surface improves gripping ability. Good for light duty conveying and power-transmission applications, this belting is chemical and abrasion resistant and creates stronger connections than hollow-core belting. Join the ends with round belting connectors (sold separately) or use a welding kit.
For technical drawings and 3-D models, click on a part number.
Heavy Duty Round Belting
This polyurethane belting is reinforced with a polyester cord for strength. Good for light duty conveying and power-transmission applications, it is chemical and abrasion resistant and creates stronger connections than hollow-core belting. Join the ends with round belting connectors (sold separately) or use a welding kit.
For technical drawings and 3-D models, click on a part number.
Belting | Connectors | |||||||
|---|---|---|---|---|---|---|---|---|
| Dia. | For Min. Pulley Dia. | Material | Reinforcement Material | Color | Per Ft. | Each | ||
| 1/8" | 1 3/4" | Polyurethane Rubber | Polyester Plastic | Green | 000000 | 00000 | 000000 | 00 |
| 3/16" | 2" | Polyurethane Rubber | Polyester Plastic | Green | 000000 | 0000 | 0000000 | 000000 |
| 1/4" | 2 3/4" | Polyurethane Rubber | Polyester Plastic | Green | 000000 | 0000 | 0000000 | 00000 |
| 5/16" | 3 7/16" | Polyurethane Rubber | Polyester Plastic | Green | 000000 | 0000 | 0000000 | 00000 |