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 2MM9130WI-SUL Bearing 7030-C is a high-quality angular contact ball bearing designed for industrial automation and motion control applications. Made in the United States, this bearing features a bore diameter of 150mm, an outside diameter of 225mm, and a width of 35mm. With the reputable Fafnir brand and precise specifications, this bearing is ideal for mechanical power transmission systems requiring reliable and durable performance.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM9130WIDUL |
| Model | 2MM 9130 WI CR DUL 7030C 7030 C T P4 DUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 150 mm |
| OD | 225 mm |
| Width | 35 mm |
| Advertise | 1 |
|---|---|
| Min Temp | -30 °C |
| Cage Type | Machined |
| Dynamic Load Rating | 186 kN / 41800 lbf |
| Static Load Rating | 224 kN / 50400 lbf |
| Precision Rating | ABEC 7 / P4 |
| Series | 9100 |
| Rolling Elements | Balls |
| Max Temp | 120 °C |
| Condition | New |
| Item Weight | 10.5 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° |
| Preload | Light |
| Mounting Arrangement | Universal |
| Material | Bearing Steel |
| Cross Reference 1 | SKF 7030 CDGA/P4A |
|---|
$1,128.74
4 in stock
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$1,128.74
4 in stock
New
New plants don’t run themselves — and the American Manufacturing
Both ball bearings and roller bearings serve the same fundamental purpose: reducing friction, supporting loads,
A linear actuator converts rotational or fluid energy into straight-line mechanical motion. This fundamental function
When the original bearing is discontinued, not available or has a lengthy lead time, there
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