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1 in stock
Single-row tapered roller bearing, cone and cup together, 2-1/2 in bore and 4.7244 in outside diameter. 1 Set.
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$79.77
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| MFR / Brand | Timken |
|---|---|
| MPN | 477/472 |
| Model | 477 / 472 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 2.5000 in |
| OD | 4.7244 in |
| Condition | New – Open box |
|---|---|
| Series | 475 |
| Base Number | 477/472 |
| Industry Terms | Taper bearing set; cone and cup; tapered roller bearing assembly; TS bearing |
| Common Misspellings | Timkin; Timkem; Tinken; 747/472; 477/427 |
| Application Types | Gearboxes; wheel ends; heavy shafting; conveyor and agricultural drives |
| Condition Note | Made In USA, New Old Stock, Stained |
| Bore Shaft Size | 2.5000 in (63.50 mm) |
| Mpn Variants | 477/472; 477-472; 477 472; 477; 472 |
| Manufacturer Status | Current Timken catalogue set |
| Compatible With Replaces | Cone 477 and cup 472 are each replaceable by their own number |
| Arrangement Configuration | Separable cone and cup, supplied together as one bearing |
| Number Of Rows | 1 |
| Harmonization Code | 8482.20.00 |
| Cup Part Number | 472 |
| Design Units | Imperial |
| Bearing Class | Class 2 |
| Bearing Material | Case-carburised bearing steel |
| Cup Width | 0.9543 in |
| Part Number | 477/472 |
| Cone Part Number | 477 |
| Cone Width | 1.1421 in |
| Cage Type | Stamped Steel |
| Cross Reference 1 | 477 (cone only) |
|---|---|
| Cross Reference 2 | 472 (cup only) |
A Timken 477/472 single-row tapered roller bearing, supplied as both halves together: the 477 cone with its rollers and cage, and the 472 cup. Bore 2-1/2 in, outside diameter 4.7244 in.
1 Set — one cone and one matching cup, which is one complete bearing.
Timken writes a tapered roller bearing as cone number over cup number. 477 is the cone and fixes the bore, the cone width and the raceway angle. 472 is the cup and fixes the outside diameter and the matching outer raceway. The two numbers together identify one complete TS single-row bearing, and either half can be ordered on its own by its own number.
Tapered roller geometry carries high radial load together with substantial thrust in one direction through the raceway angle, which is why the type is normally used in pairs facing opposite ways so the shaft is located both ways. The two halves separate for mounting — the cup presses into the housing, the cone onto the shaft — which is what lets a tapered roller bearing go into a through-bored or split housing that a one-piece bearing could not enter.
New old stock with surface staining from storage. The raceways, rollers and ground faces are unused.
Cup and cone are pressed home separately, each with force on its own back face and never through the rollers. Once both are seated, the bearing is set by moving one race axially against the other to establish the intended end play or preload — a tapered roller bearing carries no built-in clearance, so the setting is made on assembly.
477 and 472 are industry-standard numbers, so a cone marked 477 and a cup marked 472 from another tapered roller bearing maker interchange as the same specification. The 472A and 473 are different cups in the same family with their own outside diameters, so they are related sizes rather than substitutions.
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