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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Fafnir 2MM218WI-SUM Bearing – Precision Engineered for Performance Introducing the Fafnir 2MM218WI-SUM Bearing, a hallmark of exceptional quality and precision engineering. This angular contact ball bearing, with dimensions of 90x160x30 mm, is designed to meet the rigorous demands of various applications in machinery and automotive sectors. Crafted by the esteemed brand Fafnir, model 7218C / 2MM-218-WI-CR-DUM delivers unparalleled reliability and efficiency. This new, open box bearing ensures immediate installation without sacrificing performance, making it an ideal choice for your critical projects. Manufactured in the United States, each bearing undergoes stringent quality control to provide top-tier craftsmanship. We prioritize your satisfaction by offering international shipping on every order, combined shipping for multiple purchases, and convenient next-day shipping options at checkout. If you require assistance in sourcing specific parts, do not hesitate to reach out to us. We specialize in securing any components you may need at competitive prices, simplifying your sourcing experience. Choose the Fafnir 2MM218WI-SUM Bearing today and experience the superior precision and reliability that only a premium quality bearing can provide.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM218WICRDUM |
| Model | 7218 C T DUM P4 / 2 MM 218 WI CR DU M / 7218C / 218HDM |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 90 mm |
| OD | 160 mm |
| Width | 30 mm |
| Advertise | 1 |
|---|---|
| Material | Bearing Steel |
| Min Temp | -30 °C |
| Cage Type | Phenolic |
| Dynamic Load Rating | 119 kN / 26750 lbf |
| Static Load Rating | 102 kN / 22930 lbf |
| Precision Rating | ABEC 7 / P4 |
| Series | 2MM200 |
| Rolling Elements | Ball |
| Max Temp | 120 °C |
| Condition | New – Open box |
| Item Weight | 4.96 lbs |
| Cage Material | Phenolic |
| 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 | P4 |
| Cross Reference 1 | SKF 7218 CD/P4ADGB |
|---|---|
| Cross Reference 2 | NSK 7218CTYNDUMP4 |
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