About Ball and Roller Bearings
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About Shaft Collars
Shaft collars are useful for holding and positioning components on a shaft. They can also serve as mechanical stops and stroke limiters.
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Face-Mount Crossed-Roller Bearings
Mounting holes on the inner and outer rings allow for fastening onto hollow joints and shafts. The rollers face in alternating directions to allow for rigid, accurate motion under any combination of radial, thrust, and moment (twisting) loads. Use in applications where highly accurate motion is necessary, such as machine tools and industrial robots.
Open bearings dissipate heat more efficiently than sealed bearings.
Sealed bearings block out dust and other contaminants better than open bearings, but retain more heat.
For technical drawings and 3-D models, click on a part number.
Combined Load Cap., lbs. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | Features | Each | |
Open | |||||||||||
| 90 | 210 | 25 | Steel | 16,500 | 24,200 | 500 | Required | 0° to 230° | Lubrication Groove, Two Lubrication Holes | 0000000 | 0000000 |
Sealed | |||||||||||
| 90 | 210 | 25 | Steel | 16,500 | 24,200 | 400 | Lubricated | 0° to 210° | Lubrication Groove, Two Lubrication Holes | 0000000 | 000000 |
Bearing Retaining Nuts
Often paired with spring lock washers to strengthen their hold, these retaining nuts—also known as shaft nuts—keep vibration from shifting bearings, bushings, pulleys, and gears on your threaded shaft or spindle. They have slotted sides, so you can tighten and loosen them with a spanner wrench or spanner socket. Made of carbon steel, they’re strong and wear resistant.
Chamfered-face retaining nuts weigh less and produce less heat than stepped-face nuts. They meet ISO 2982 (formerly DIN 981), an international standard for bearing locknut dimensions. Their sizes correspond to SKF KM series. Use them with DIN 5406 spring lock washers.
For technical drawings and 3-D models, click on a part number.
