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 2MM309WICR-SUL Bearing: Precision Meets Durability Unleash the power of precision engineering with the Fafnir 2MM309WICR-SUL Bearing, specifically designed for those who demand exceptional performance in their machinery. This Angular Contact Ball Bearing, with dimensions of 45x100x25 mm, is the perfect fit for a variety of demanding applications. Key Features: Brand: Fafnir – synonymous with quality and reliability. Model: 2 MM 309 WI CR DUL / 7309 C T DUL P4 designed for precision. Width: 25 mm – expertly crafted to accommodate an extensive range of machines. Manufacturing: Made in the USA, ensuring the highest standards of excellence. Condition: Brand new – meticulously packaged to meet your requirements. Perfect for both industrial machinery and equipment replacements, the Fafnir 2MM309WICR-SUL Bearing delivers unmatched strength, precision, and durability. Why Choose Us? Competitive pricing on all parts. International shipping options for your convenience. Combined shipping available to save on multiple orders. Same-day shipping with next-day options at checkout. Do not compromise on quality; choose Fafnir to keep your operations running smoothly. If you cannot find the specific part you need, please contact us today!
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM309WICRDUL |
| Model | 2 MM 309 WI CR DUL / 7309 C T DUL P4 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 45 mm |
| OD | 100 mm |
| Width | 25 mm |
| Advertise | 1 |
|---|---|
| Material | Bearing Steel |
| Min Temp | -40°C |
| Cage Type | Phenolic |
| Dynamic Load Rating | 66.5 kN |
| Static Load Rating | 38.7 kN |
| Precision Rating | ABEC 7 / P4 |
| Series | 2MM300 |
| Rolling Elements | Ball |
| Max Temp | 120°C |
| Condition | New |
| Item Weight | 2.15 lbs |
| Cage Material | Phenolic Resin |
| 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 |
| Internal Clearance | CN |
| Cross Reference 1 | SKF 7309 CDGA/P4A |
|---|---|
| Cross Reference 2 | NSK 7309CTYNSULP4 |
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