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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1 in stock
The Fafnir 2MM220WI-SUM Bearing is a high-quality ball bearing manufactured in the United States. With a bore diameter of 100 mm and an outside diameter of 180 mm, this bearing is designed for industrial automation and motion control applications. The steel construction and ABEC7 rating ensure durability and reliability, making it a valuable component for various mechanical power transmission systems. This package includes 2 pieces of bearings, providing a reliable and efficient solution for your mechanical needs.
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$495.44
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM220WISUM |
| Model | 2MM220 WI CR SUM 7220C |
| Bearing Type | Ball Bearing, Open |
| ID | 100 mm |
| OD | 180 mm |
| Width | 34 mm |
| Advertise | 1 |
|---|---|
| Material | Bearing Steel |
| Min Temp | -30 °C |
| Cage Type | CR - Phenolic Outer Land Riding Cage |
| Dynamic Load Rating | 127 kN / 28500 lbf |
| Static Load Rating | 122 kN / 27400 lbf |
| Precision Rating | ABEC 7 / P4 |
| Series | 200 WI |
| Rolling Elements | Ball |
| Max Temp | 120 °C |
| Condition | New – Open box |
| Item Weight | 7.08 lbs |
| Cage Material | Phenolic |
| Limiting Speed | 6700 rpm |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Preload | Medium |
| Mounting Arrangement | Universal |
| Cross Reference 1 | FAG B7220-C-T-P4S-UM |
|---|---|
| Cross Reference 2 | SKF 7220 CDGB/P4A |
| Cross Reference 3 | NSK 7220A5TYSUMP4 |
| Cross Reference 4 | RHP 7220ETSUMP4 |
| Cross Reference 5 | GMN S6220 C TA P4 D UM |
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