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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Double Row Angular Contact Bearing – Straight Bore, 35 mm ID, 72 mm OD, 27 mm Width, Double Shield, 30° Contact Angle.
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| MFR / Brand | INA |
|---|---|
| MPN | 3207J2Z |
| Model | 3207ZZ 5207ZZ |
| Bearing Type | , Double Shield |
| ID | 35 mm |
| OD | 72 mm |
| Width | 1-1/16 in |
| Advertise | 1 |
|---|---|
| Condition | New |
| Material | Bearing Steel |
| Lubricant | Grease |
| Series | 3200 |
| Category 1 | Bearings & Bushings |
| Category 2 | Business & Industrial |
| Category 3 | Industrial Automation & Motion Controls |
| Category 4 | Mechanical Power Transmission |
| Category 5 | Thrust Bearings |
| Bearing Type | Double Row Angular Contact |
| Item Weight | 1.05 lbs |
| Cage Material | Steel |
| Limiting Speed | 8000 rpm |
| Number Of Rows | 2 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Internal Clearance | CN |
| Harmonization Code | 8482.1 |
| Contact Angle | 30° |
| Cage Type | J - Steel |
| Dynamic Load Rating | 43 kN |
| Static Load Rating | 29.5 kN |
| Precision Rating | ABEC 1 / P0 |
| Max Temp | 120 °C |
| Min Temp | -30 °C |
| Rolling Elements | Balls |
| Cross Reference 1 | SKF 3207 A-2Z |
|---|---|
| Cross Reference 2 | FAG 3207-B-2Z-TVH |
| Cross Reference 3 | NSK 3207B-2Z |
| Cross Reference 4 | NTN 5207SCZZ |
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