Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
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Complete two-row TDO tapered roller bearing assembly: two 797 cones, one 792D double cup and one X1S-797 cone spacer. Bore 5.118 in, outside diameter 8-1/8 in. Sold as 1 Pc (four-piece assembly).
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$757.32
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| MFR / Brand | Bower |
|---|---|
| MPN | 792D/797/X1S797 |
| Model | 792-D 797 X1S797 |
| Bearing Type | Tapered Roller Bearing Cone |
| Base Number | 792D/797/X1S-797 |
|---|---|
| Industry Terms | TDO assembly, double cup assembly, two-row taper bearing, cone spacer set |
| Common Misspellings | 792-D/797, X1S 797, 797D/792 |
| Application Types | Rolling mill roll necks, large gear drives, heavy industrial shafting |
| Bore Shaft Size | 5.118 in (130.00 mm) |
| Mpn Variants | 792D/797/X1S797, 792D 797 X1S-797, 797/792D, 792D, 797, X1S-797, X1S797 |
| Compatible With Replaces | 797 cones seat in the 792D double cup, spaced by X1S-797 |
| Arrangement Configuration | TDO two-row: 2x 797 cone, 1x 792D double cup, 1x X1S-797 cone spacer |
| Number Of Rows | 2 |
| Design Units | Inch |
| Bearing Material | Case-carburised bearing steel |
| Part Number | 792D/797/X1S797 |
| Cross Reference 1 | Timken 797/792D |
|---|---|
| Cross Reference 2 | Federal-Mogul Bower 797/792D |
A Bower two-row TDO tapered roller bearing assembly — two 797 cones, one 792D double cup and one X1S-797 cone spacer. Bore 5.118 in, outside diameter 8-1/8 in.
797 is the inch cone number and fixes the 5.118 in bore. The D on 792D marks a one-piece double cup, two opposed raceways in a single ring. The X1S- prefix on X1S-797 marks a cone spacer, the ring that sits between the two cone back faces and sets the row spacing.
TDO stands for two-row, double outer. Because the two raceways are opposed, the assembly takes thrust in both directions and reacts moment load across the row spacing. The X1S cone spacer is ground to the assembly’s bench-set endplay, so the four pieces together carry a setting that is not recoverable by mixing loose components.
Bearing type: tapered roller bearing, two-row TDO assemblyDesign units: inchBore: 5.118 in (130.00 mm)Outside diameter: 8-1/8 in (206.38 mm)Number of rows: 2Bore type: straightClosure: openCones: two 797Double cup: 792DCone spacer: X1S-797
Complete four-piece assembly. Sold as 1 Pc.
The double cup presses into the housing bore against one square shoulder and locates both rows; the two cones go onto the journal with the X1S-797 spacer between their back faces, and the shaft nut clamps the stack against the shoulder.
A single 797/792 cone-and-cup pair shares the section but carries one row and no spacer, which makes it a related size rather than an interchange for this assembly.
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Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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