System of Measurement System of Measurement |
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Thread Size Thread Size |
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Shape Shape |
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| Round | Tapered Round |
OD OD | Show |
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OD OD | Hide |
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Mount Type Mount Type |
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| Screw | Threaded Hole |
Number of Mounting Holes Number of Mounting Holes |
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Material Material |
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Color Color |
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 | Black |
Base Plate Material Base Plate Material |
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Reinforcement Type Reinforcement Type |
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Hardness Hardness |
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For Use Outdoors For Use Outdoors |
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Thread Depth Thread Depth |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Maximum Load Maximum Load |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Durometer Hardness Scales
More
Unthreaded Bumpers
Install these bumpers with screws. Often used as feet, spacers, and vibration dampers, they absorb shock to prevent damage to equipment and surfaces. All have a hard rating to withstand high levels of impact. They're also known as recessed bumpers.
SBR bumpers have good abrasion resistance. They are not for use outdoors.
For technical drawings and 3-D models, click on a part number.
| OD | Ht. | Mounting Surface Ht. | Counterbore Dia. | Mounting Hole Dia. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Pkg. Qty. | Pkg. | |
SBR Rubber | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31/32" | 11/32" | 5/32" | 3/8" | 3/16" | 0° to 180° | No | Hard | Durometer 70A | No | Black | 50 | 0000000 | 00000 |
Heavy Duty Unthreaded Bumpers
All of these bumpers are reinforced with an embedded washer or base plate for strength. Often used as feet, spacers, and vibration dampers, they absorb shock to prevent damage to equipment and surfaces. They're also good for starting and stopping motion on automated machines. Install them with screws. These bumpers are also known as recessed bumpers.
Bumpers with a hard and medium-hard rating withstand high levels of impact. The harder the bumper, the more impact it withstands.
SBR bumpers have good abrasion resistance. They are not for use outdoors.
For technical drawings and 3-D models, click on a part number.
| OD | Ht. | Mounting Surface Ht. | Counterbore Dia. | Mounting Hole Dia. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Pkg. Qty. | Pkg. | |
SBR Rubber with Steel Embedded Washer | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31/32" | 11/32" | 5/32" | 3/8" | 3/16" | 0° to 180° | No | Hard | Durometer 70A | No | Black | 50 | 0000000 | 00000 |
Load-Rated Threaded Bumpers
Select these bumpers for applications that require specific load capacities. All are reinforced with a base plate for strength. Often used as feet, spacers, and vibration dampers, they absorb shock to prevent damage to equipment and surfaces. They're also good for starting and stopping motion on automated machines and conveyors. Mount these bumpers on a threaded stud. Bumpers with a medium and medium-soft rating offer a balance of cushioning and impact resistance.
Rubber bumpers are abrasion resistant.
Buna-N bumpers resist abrasion, oil, and grease.
For technical drawings and 3-D models, click on a part number.
Thread | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Dp. | OD | Ht. | Max. Load, lbs. | Temp. Range, °F | For Use Outdoors | Hardness Rating | Hardness | Nonmarking | Color | Each | |
Style 2 | ||||||||||||
Rubber with Steel Base Plate | ||||||||||||
| 1/4"-20 | 1/4" | 31/32" | 1 1/4" | 33 | -40° to 170° | No | Medium | Durometer 55A | Yes | Black | 00000000 | 00000 |
Style 4 | ||||||||||||
Buna-N Rubber with Steel Base Plate | ||||||||||||
| 1/4"-20 | 1/4" | 31/32" | 13/16" | 95 | -20° to 170° | No | Medium | Durometer 55A | Yes | Black | 00000000 | 0000 |
Buna-N Rubber with Stainless Steel Base Plate | ||||||||||||
| 1/4"-20 | 1/4" | 31/32" | 13/16" | 95 | -20° to 170° | No | Medium | Durometer 55A | Yes | Black | 00000000 | 00000 |