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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MRC 115KSFF Deep Groove Ball Bearing. 75mm ID 115mm OD 20mm Width. Double shielded (FF) to retain lubricant and exclude contaminants.
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| MFR / Brand | MRC |
|---|---|
| MPN | 115KSFF |
| Model | 115 KS FF C3 / 6013 ZZ/2Z C3 |
| Bearing Type | Ball Bearing, Double Shield |
| ID | 75 mm |
| OD | 115 mm |
| Width | 20 mm |
| Min Temp | -30 °C |
|---|---|
| Cage Type | Ribbon |
| Dynamic Load Rating | 42.3 kN / 9510 lbf |
| Static Load Rating | 35.5 kN / 7970 lbf |
| Precision Rating | ABEC 1 / P0 |
| Series | 100-KS |
| Rolling Elements | Ball |
| Max Temp | 120 °C |
| Condition | New |
| Item Weight | 1.39 lbs |
| Cage Material | Steel |
| Limiting Speed | 6700 rpm |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Lubricant | Grease |
| Duty Type | Standard |
| Material | Bearing Steel |
| Internal Clearance | CN |
| Cross Reference 1 | SKF 6015-2Z |
|---|---|
| Cross Reference 2 | FAG 6015-2Z |
| Cross Reference 3 | NSK 6015ZZ |
| Cross Reference 4 | NTN 6015ZZ |
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When the original bearing is discontinued, not available or has a lengthy lead time, there
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