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 MM60BS120-DUH Bearing is a set of two high-quality angular contact ball bearings with a bore diameter of 60mm and an outside diameter of 120mm. Made in the United States, these bearings are designed for mechanical power transmission and industrial automation applications. With a width of 20mm, these bearings are specifically labeled as MM-60-BS-120-DUH and are suitable for various machinery and equipment requiring precision and reliability in motion control.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | MM60BS120QUH |
| Model | MM 60 BS 120 QUH / 60TAB12DU |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 60 mm |
| OD | 120 mm |
| Width | 20 mm |
| Advertise | 1 |
|---|---|
| Min Temp | -30 °C |
| Cage Type | Machined |
| Dynamic Load Rating | 29 kN / 6520 lbf |
| Static Load Rating | 76 kN / 17100 lbf |
| Precision Rating | ABEC 7 / P4 |
| Series | BS |
| Rolling Elements | Balls |
| Max Temp | 120 °C |
| Condition | New |
| Item Weight | 1.80 lbs |
| Cage Material | Polyamide |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 60° |
| Preload | Heavy |
| Mounting Arrangement | Universal |
| Material | Bearing Steel |
| Cross Reference 1 | NSK 60TAC120B |
|---|---|
| Cross Reference 2 | SKF BSD 60120 C |
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