Motor Starters vs. Contactors vs. Overload Relays: What Each One Does and Why You Need All Three
When a motor stops running, the first instinct is to find the part that looks
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9 in stock
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9 in stock

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| MFR / Brand | Timken |
|---|---|
| MPN | 78225/78551 |
| Model | 78225 78551 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 2.2500 in |
| OD | 5.5130 in |
| Condition | New – Open box |
|---|---|
| Series | 78000 |
| Condition Note | Timken/Bower, Made In USA, New Old Stock, We Have The Parts To Make Complete Timken Sets Or Assemblies For Any Part Number, Contact Us |
| Harmonization Code | 8482.20.00 |
| Cup Part Number | 78551 |
| Design Units | Imperial |
| Bearing Class | Class 2 |
| Bearing Material | Case-Hardened High Alloy Steel |
| Cup Width | 0.9260 in |
| Cup Backface To Clear Radius | 0.13 in |
| Cone Part Number | 78225 |
| Cone Backface To Clear Radius | 0.14 in |
| Cone Frontface Backing Diameter | 2.87 in |
| Cup Frontface Backing Diameter | 4.96 in |
| Cage Cone Frontface Clearance | 0.15 in |
| Cage Cone Backface Clearance | 0.18 in |
| Effective Center Location | -0.44 in |
| Cage Type | Stamped Steel |
The Timken 78225/78551 Tapered Roller Bearing Cone and Cup set is a high-quality mechanical component made in the United States. With a 2-1/4″ inner diameter and 5.513″ outer diameter, this bearing is designed for industrial automation, motion controls, and other mechanical power transmission applications. The tapered roller design ensures smooth operation and durability, making it a reliable choice for various machinery and equipment.
$129.19
1 in stock
$129.19
1 in stock
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Our team can locate, cross-reference, and source all parts.
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