47880/47820TimkenTapered Roller
47880/47820 is a Timken tapered roller bearing, bore 77.79 mm, O.D. 146.05 mm, width 34.92 mm. Dimensions, drawing, interchanges and price.
Original catalogue drawing - Timken - Single Row
Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.
Scale cross-section
Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own dimensions for selection reference only - not a manufacturing or assembly drawing.
Dimension table (mm / inch)
| Symbol | Dimension | mm | inch |
|---|---|---|---|
| d | Bore diameter | 77.788 | 3.0625 |
| D | Outside diameter | 146.05 | 5.75 |
| B | Inner-ring / bearing width | 34.925 | 1.375 |
| T | Overall assembly width | 33.337 | 1.3125 |
| C | Cup / outer-ring width | 26.195 | 1.0313 |
| r | Chamfer (min) | 3.3 | 0.1299 |
Notes
Tapered roller bearings are cone / cup assemblies; cone and cup weights are listed separately and the total is their sum. Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.
Main dimensions
| Bore d (mm) | 77.788 |
|---|---|
| Bore d (in) | 3.0625 |
| Outside dia. D (mm) | 146.050 |
| Outside dia. D (in) | 5.7500 |
| Width B (mm) | 34.925 |
| Width B (in) | 1.3750 |
| Overall width T (mm) | 33.337 |
| Overall width T (in) | 1.3125 |
| Cup width C (mm) | 26.195 |
| Cup width C (in) | 1.0313 |
Weight
| Cone weight (kg) | 1.92 |
|---|---|
| Cup weight (kg) | 0.65 |
| Total weight (kg) | 2.57 |
Mounting dimensions (fillets / shoulders)
| Shaft fillet R max (mm) | 3.5 |
|---|---|
| Housing fillet r max (mm) | 3.3 |
Source & traceability
| Brand | Timken |
|---|---|
| Source catalogue | Timken Bearing Dimension Catalog |
| Catalogue page | p.314 (dimensions) / p.95 (cone) / p.95 (cup) |
Dimensions and component weights only - this catalogue publishes no load ratings or speeds.
Nearby bore sizes
| Designation | Brand | Type | d | D | B/T | Dyn. rating | kg |
|---|---|---|---|---|---|---|---|
| 34306/34472X | Timken | Tapered Roller | 77.79 | 120 | 23.01 | 121 kN | 0.83 |
| 34306/34478 | Timken | Tapered Roller | 77.79 | 121.44 | 23.01 | 121 kN | 0.9 |
| 34307/34478 | Timken | Tapered Roller | 77.79 | 121.44 | 23.01 | 102 kN | 0.88 |
| 42690/42620 | Timken | Tapered Roller | 77.79 | 127 | 31 | 161 kN | 1.37 |
| 495AS/492A | Timken | Tapered Roller | 77.79 | 133.35 | 29.77 | 154 kN | 1.63 |
| 495AS/493D | Timken | Tapered Roller | 77.79 | 136.53 | 69.85 | 269 kN | 3.99 |
| 5795/5720 | Timken | Tapered Roller | 77.79 | 142.14 | 44.45 | - | - |
| H715348/H715310 | Timken | Tapered Roller | 77.79 | 139.7 | 46.04 | 319 kN | 3.02 |
Request a quotation for 47880/47820
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