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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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM210WIDUM |
| Model | 2MM 210 WI DUM 7210 Q20210 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 50 mm |
| OD | 90 mm |
| Width | 20 mm |
| Advertise | 1 |
|---|---|
| Material | High Carbon Chrome Steel |
| Min Temp | -30 °C |
| Cage Type | Outer Land Piloted |
| Dynamic Load Rating | 41.3 kN / 9280 lbf |
| Static Load Rating | 34.0 kN / 7640 lbf |
| Precision Rating | ABEC 7 / P4 |
| Series | 200 |
| Rolling Elements | Ball |
| Max Temp | 121 °C |
| Condition | New – Open box |
| Item Weight | 1.05 lbs |
| Cage Material | Phenolic Resin |
| Limiting Speed | 17000 rpm |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Lubricant | Oil/Grease |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Preload | Medium |
| Mounting Arrangement | Universal |
| Running Accuracy | 0.0025 mm |
| Running Accuracy Radial And Axial Runout | 0.0025 mm |
| Cross Reference 1 | SKF 7210 CD/P4ADGB |
|---|---|
| Cross Reference 2 | NSK 7210CTYNDUMP4 |
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$191.23
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Our team can locate, cross-reference, and source all parts.
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