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Thin-Profile Crossed-Roller Bearings
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For a more compact machine, these bearings have thinner inner and outer rings than high-load crossed-roller bearings. Route hydraulic lines, electrical wiring, and other components through the inside of the bearing. 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.
Sealed Bearing—Sealed bearings block out dust and other contaminants better than open bearings, but retain more heat.
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 | Features | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
For Combined Radial, Thrust, and Moment Load—Sealed with Steel Ring | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 130 | 146 | 8 | 1,750 | 3,950 | 290 | Lubricated | 0 to 175 | Four Lubrication Holes | 1378N77 | 0000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Washers for Needle-Roller Thrust Bearings
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For Shaft Dia., mm | OD, mm | Thk., mm | Washer Material | Specs. Met | Each | ||
|---|---|---|---|---|---|---|---|
| 130 | 170 | 1 | Steel | DIN 5405-3, ISO 303 | 5909K112 | 000000 |
Needle-Roller Thrust Bearings
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Bearings | Washers |
Small but mighty, our thinnest rolling thrust bearings slot into tight spaces and spin at whirring speeds. Their long, slender rollers support thrust loads and reduce friction in everything from machine tool spindles to gearboxes.
A cage holds the rollers in place. You can install these bearings without washers between hardened, ground surfaces for the thinnest profile. If you’re working with unhardened, unground surfaces, you’ll need two washers for the rollers to run on. This three-piece design is easy to lubricate, but the oil will attract dust and grime since it’s exposed.
Steel—Strong and wear resistant. However, these bearings are best for dry environments since moisture will cause them to rust.
