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High-Load Tapered-Roller Bearings
Assembled View
Exploded View
Double rows of tapered bearings support large shafts with heavy loads. They also handle thrust loads in either direction as well as radial loads. All come assembled and ready to use.
Radial Load Cap., lbs. | Thrust Load Cap., lbs. | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| For Shaft Dia. | For Housing ID | Wd. | Bearing Trade No.  | Taper Direction | Dynamic | Static | Dynamic | Static | Thrust Clearance | For Thrust Load Type | Max. Speed, rpm | Lubrication | Temp. Range, °F | Includes | Each | |
Steel Ring | ||||||||||||||||
Open | ||||||||||||||||
| 4" | 7 1/2" | 4" | 861/854D | Out | 179,000 | 142,000 | 59,000 | 138,000 | 0.012" | Two Direction | 3,800 | Required | -65° to 250° | One Spacer | 0000000 | 000000000 |
MDS-Filled Easy-to-Machine Wear-Resistant Cast Nylon Tubes
- Color: Black
- Maximum Temperature: 230° F
- Tensile Strength: 10,000 psi (Good)
- Impact Strength: 1.4 ft.-lbs./in. (Poor)
- Hardness: Rockwell R110 (Hard)
- For Use Outdoors: Yes
- Specifications Met: ASTM D5989
The addition of MDS gives these tubes exceptional wear resistance along with a self-lubricating surface. They're made of cast nylon 6, making them easier to machine and better electrical insulators than other MDS-filled nylon tubes. Tubes can be used to fabricate pulleys, bushings, and bearings installed in hard-to-reach areas where adding a lubricant would be difficult. The OD is oversized and the ID is undersized to allow for finishing to the sizes listed. This material is comparable to Nylatron and Nycast.