Ball Bearings vs. Roller Bearings: Which One Does Your Application Actually Need?
Both ball bearings and roller bearings serve the same fundamental purpose: reducing friction, supporting loads,
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Timken 27689/27620RB Taper Bearing Cone and Cup. This Timken tapered roller bearing cone and cup delivers precise load distribution for dependable, long lasting performance in industrial equipment. Inner diameter 3-9/32 inches; outer diameter 4-15/16 inches. Compatible with 27689/27620RB assemblies. Made in the United States from high-strength steel for durability under heavy loads. New Open Box condition, ready for immediate replacement in bearings and mechanical power transmission applications. Ideal for conveyors, gearboxes, pumps, and construction or agricultural machinery requiring Timken reliability. The tapered design reduces friction and wear, helping extend service life and reduce downtime. USA origin ensures consistent quality and fast availability. This replacement cone and cup set offers a clean, easy installation with a precise fit and proven performance.
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| MFR / Brand | Timken |
|---|---|
| MPN | 27689/27620RB |
| Model | 27689-3 27620-RB |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 3.2813 in |
| OD | 4.9375 in |
| Advertise | 1 |
|---|---|
| Condition | New – Open box |
| Harmonization Code | 8482.20.00 |
| Cup Part Number | 27620RB |
| Design Units | Imperial |
| Bearing Class | Class 2 |
| Bearing Material | Case-Carburized Steel |
| Cup Width | 0.7813 in |
| Cup Backface To Clear Radius | 0.06 in |
| Cone Part Number | 27689 |
| Cone Width | 1.0000 in |
| Cone Backface To Clear Radius | 0.03 in |
| Cone Frontface Backing Diameter | 3.54 in |
| Cup Frontface Backing Diameter | 4.75 in |
| Cage Cone Frontface Clearance | 0.09 in |
| Cage Cone Backface Clearance | 0.05 in |
| Effective Center Location | 0.02 in |
| Series | 27600 |
| Cage Type | Stamped Steel |
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