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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The Fafnir 2MM220WI-DUM Bearing is a set of two high-quality ball bearings made of steel, designed for industrial automation and motion control applications. With a bore diameter of 100 mm and an outside diameter of 180 mm, these bearings have a width of 34 mm and are manufactured in the United States. The Fafnir brand is known for producing reliable and durable bearings, making them a great choice for various mechanical power transmission systems.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM220WIDUM |
| Model | 2MM220 WI CR DUM 7220C |
| Bearing Type | Ball Bearing, Open |
| ID | 100 mm |
| OD | 180 mm |
| Width | 34 mm |
| Advertise | 1 |
|---|---|
| Material | Steel |
| Series | 200 |
| Condition | New – Open box |
| Preload | Medium |
| Category 1 | Ball & Roller Bearings |
| Category 2 | Bearings & Bushings |
| Category 3 | Business & Industrial |
| Category 4 | Industrial Automation & Motion Controls |
| Category 5 | Mechanical Power Transmission |
| Min Temp | -30 °C |
| Cage Type | Machined |
| Dynamic Load Rating | 140 kN / 31500 lbf |
| Static Load Rating | 134 kN / 30100 lbf |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Balls |
| Max Temp | 120 °C |
| Item Weight | 7.30 lbs |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Universal |
| Cross Reference 1 | SKF 7220 CD/P4A |
|---|---|
| Cross Reference 2 | NSK 7220CTYNSULP4 |
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