Retaining Ring Style Retaining Ring Style |
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| Standard | Side Mount |
For Groove Diameter For Groove Diameter |
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Minimum Hardness Minimum Hardness |
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Ring OD Ring OD |
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Thrust Load Capacity Thrust Load Capacity |
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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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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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External Retaining Rings
Open these rings, pass them over the end of a shaft, and release to spring into the groove. Ring ID is measured with the ring uninstalled. Use retaining ring pliers (sold separately) to install and remove rings.
Beryllium copper rings conduct electricity and have excellent corrosion resistance. Do not use beryllium copper rings in direct contact with acetylene.
Thrust load capacity, also known as PR, is based on using a shaft that is harder than the ring.
For technical drawings and 3-D models, click on a part number.
For Groove | Ring | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For OD | Dia. | Wd. | ID | Thick. | Min. Hardness | Thrust Load Capacity, lbs. | Magnetic Properties | Specifications Met | Pkg. Qty. | Pkg. | |
Beryllium Copper | |||||||||||
| 1/8" | 0.117" | 0.012" | 0.112" | 0.01" | Rockwell C36 | 110 | Nonmagnetic | ASME B18.27.1 | 100 | 000000000 | 000000 |
| 3/16" | 0.175" | 0.018" | 0.168" | 0.015" | Rockwell C36 | 240 | Nonmagnetic | ASME B18.27.1 | 100 | 000000000 | 00000 |
| 7/32" | 0.205" | 0.018" | 0.196" | 0.015" | Rockwell C36 | 280 | Nonmagnetic | ASME B18.27.1 | 25 | 000000000 | 0000 |
| 15/64" | 0.222" | 0.018" | 0.215" | 0.015" | Rockwell C36 | 310 | Nonmagnetic | ASME B18.27.1 | 25 | 000000000 | 0000 |
| 1/4" | 0.23" | 0.029" | 0.225" | 0.025" | Rockwell C36 | 440 | Nonmagnetic | ASME B18.27.1 | 25 | 000000000 | 00000 |
| 5/16" | 0.29" | 0.029" | 0.281" | 0.025" | Rockwell C36 | 560 | Nonmagnetic | ASME B18.27.1 | 10 | 000000000 | 0000 |
| 3/8" | 0.352" | 0.029" | 0.338" | 0.025" | Rockwell C36 | 660 | Nonmagnetic | ASME B18.27.1 | 10 | 000000000 | 0000 |
| 7/16" | 0.412" | 0.029" | 0.395" | 0.025" | Rockwell C36 | 770 | Nonmagnetic | ASME B18.27.1 | 10 | 000000000 | 0000 |
| 1/2" | 0.468" | 0.039" | 0.461" | 0.035" | Rockwell C36 | 1,250 | Nonmagnetic | ASME B18.27.1 | 10 | 000000000 | 00000 |
| 5/8" | 0.588" | 0.039" | 0.579" | 0.035" | Rockwell C36 | 1,560 | Nonmagnetic | ASME B18.27.1 | 5 | 000000000 | 0000 |
| 3/4" | 0.704" | 0.046" | 0.693" | 0.042" | Rockwell C36 | 2,810 | Nonmagnetic | ASME B18.27.1 | 5 | 000000000 | 00000 |
| 7/8" | 0.821" | 0.046" | 0.81" | 0.042" | Rockwell C36 | 3,270 | Nonmagnetic | ASME B18.27.1 | 1 | 000000000 | 0000 |
| 1" | 0.94" | 0.046" | 0.925" | 0.042" | Rockwell C36 | 3,760 | Nonmagnetic | ASME B18.27.1 | 1 | 000000000 | 0000 |
| 1 1/4" | 1.176" | 0.056" | 1.156" | 0.05" | Rockwell C36 | 5,590 | Nonmagnetic | ASME B18.27.1 | 1 | 000000000 | 0000 |
Side-Mount External Retaining Rings
Also known as E-style rings, these rings have three prongs that make contact with the shaft and provide a wider shoulder than other external rings for a larger retaining surface. Use a side-mount retaining ring tool (sold separately) to push them into the groove from the side of the shaft. Ring OD is measured with the ring uninstalled.
Beryllium copper rings conduct electricity and have excellent corrosion resistance. Do not use beryllium copper rings in direct contact with acetylene.
Thrust load capacity, also known as PR, is based on using a shaft that is harder than the ring.
For technical drawings and 3-D models, click on a part number.
For Groove | Ring | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For OD | Dia. | Wd. | OD | Thick. | Min. Hardness | Thrust Load Capacity, lbs. | Magnetic Properties | Pkg. Qty. | Pkg. | |
Beryllium Copper | ||||||||||
| 1/16" | 0.052" | 0.012" | 0.14" | 0.01" | Rockwell C36 | 10 | Nonmagnetic | 25 | 000000000 | 00000 |
| 3/32" | 0.074" | 0.02" | 0.187" | 0.015" | Rockwell C36 | 30 | Nonmagnetic | 25 | 000000000 | 0000 |
| 1/8" | 0.095" | 0.02" | 0.23" | 0.015" | Rockwell C36 | 50 | Nonmagnetic | 25 | 000000000 | 00000 |
| 5/32" | 0.116" | 0.029" | 0.282" | 0.025" | Rockwell C36 | 130 | Nonmagnetic | 25 | 000000000 | 00000 |
| 3/16" | 0.147" | 0.029" | 0.335" | 0.025" | Rockwell C36 | 140 | Nonmagnetic | 25 | 000000000 | 00000 |
| 7/32" | 0.188" | 0.029" | 0.437" | 0.025" | Rockwell C36 | 170 | Nonmagnetic | 10 | 000000000 | 0000 |
| 1/4" | 0.21" | 0.029" | 0.527" | 0.025" | Rockwell C36 | 190 | Nonmagnetic | 10 | 000000000 | 0000 |
| 5/16" | 0.25" | 0.029" | 0.5" | 0.025" | Rockwell C36 | 240 | Nonmagnetic | 10 | 000000000 | 0000 |
| 3/8" | 0.303" | 0.039" | 0.66" | 0.035" | Rockwell C36 | 520 | Nonmagnetic | 10 | 000000000 | 00000 |
| 1/2" | 0.396" | 0.046" | 0.8" | 0.042" | Rockwell C36 | 840 | Nonmagnetic | 1 | 000000000 | 0000 |
| 5/8" | 0.485" | 0.046" | 0.94" | 0.042" | Rockwell C36 | 1,080 | Nonmagnetic | 1 | 000000000 | 0000 |
Internal Retaining Rings
Squeeze these rings to place them in the groove inside a bore or housing. Ring OD is measured with the ring uninstalled. Use retaining ring pliers (sold separately) to install and remove rings.
Beryllium copper rings conduct electricity and have excellent corrosion resistance. Do not use beryllium copper rings in direct contact with acetylene.
Thrust load capacity, also known as PR, is based on using a shaft that is harder than the ring.
For technical drawings and 3-D models, click on a part number.
For Groove | Ring | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For ID | Dia. | Wd. | OD | Thick. | Min. Hardness | Thrust Load Capacity, lbs. | Magnetic Properties | Specifications Met | Pkg. Qty. | Pkg. | |
Beryllium Copper | |||||||||||
| 1/4" | 0.268" | 0.02" | 0.28" | 0.015" | Rockwell C33 | 320 | Nonmagnetic | ASME B18.27.1 | 10 | 000000000 | 00000 |
| 5/16" | 0.33" | 0.02" | 0.346" | 0.015" | Rockwell C33 | 400 | Nonmagnetic | ASME B18.27.1 | 10 | 000000000 | 0000 |
| 3/8" | 0.397" | 0.029" | 0.415" | 0.025" | Rockwell C33 | 800 | Nonmagnetic | ASME B18.27.1 | 10 | 000000000 | 0000 |
| 1/2" | 0.53" | 0.039" | 0.548" | 0.035" | Rockwell C33 | 1,500 | Nonmagnetic | ASME B18.27.1 | 10 | 000000000 | 00000 |
| 5/8" | 0.665" | 0.039" | 0.694" | 0.035" | Rockwell C33 | 1,880 | Nonmagnetic | ASME B18.27.1 | 10 | 000000000 | 00000 |
| 3/4" | 0.796" | 0.039" | 0.831" | 0.035" | Rockwell C33 | 2,280 | Nonmagnetic | ASME B18.27.1 | 5 | 000000000 | 00000 |
| 1" | 1.066" | 0.046" | 1.111" | 0.042" | Rockwell C33 | 4,520 | Nonmagnetic | ASME B18.27.1 | 1 | 000000000 | 0000 |
| 1 1/8" | 1.197" | 0.056" | 1.249" | 0.05" | Rockwell C33 | 6,010 | Nonmagnetic | ASME B18.27.1 | 1 | 000000000 | 0000 |
| 1 1/2" | 1.594" | 0.056" | 1.66" | 0.05" | Rockwell C33 | 8,030 | Nonmagnetic | ASME B18.27.1 | 1 | 000000000 | 00000 |
| 1 9/16" | 1.658" | 0.068" | 1.734" | 0.062" | Rockwell C33 | 10,400 | Nonmagnetic | ASME B18.27.1 | 1 | 000000000 | 00000 |
| 1 5/8" | 1.725" | 0.068" | 1.804" | 0.062" | Rockwell C33 | 10,800 | Nonmagnetic | ASME B18.27.1 | 1 | 000000000 | 00000 |