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Bearing Construction
Needle-Roller Bearings
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Also known as drawn-cup roller bearings, these are our thinnest roller bearings. The outer ring is drawn out to form a lip that holds the bearing together. Bearings take on the shape of their housing and may be oblong prior to installation.
Open Bearing—Open bearings dissipate heat more efficiently than sealed bearings.
Radial Load Cap., lb. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Dynamic | Static | Max. Rotation Speed, rpm | Lubrication | For Shaft Surface Smoothness, Ra, μin | Temp. Range, ° F | Specs. Met | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
For Radial Load—Open with Steel Ring | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 55 | 63 | 20 | 7,050 | 15,050 | 4,850 | Required | 8 | -20 to 280 | DIN 618, ISO 3245 | 00000000 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Thin-Profile Face-Mount Crossed-Roller Bearings
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With thinner inner and outer rings, these bearings keep your machines more compact than high-load crossed-roller bearings. Route hydraulic lines, electrical wiring, and other components through the inside of the bearing. Mounting holes on the 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.
Combined Load Cap., lbf | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Dynamic | Static | Max. Rotation Speed, rpm | Lubrication | Temp. Range, ° F | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
For Combined Radial, Thrust, and Moment Load—Open with Steel Ring | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 30 | 63 | 5 | 480 | 610 | 1,600 | Lubricated | 0 to 210 | 0000000 | 0000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
