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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Angular Contact Ball Bearing – Straight Bore, 30 mm ID, 62 mm OD, 16 mm Width, Open, 15° Contact Angle.
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| MFR / Brand | SKF |
|---|---|
| MPN | 21308 |
| Model | 21308 |
| Bearing Type | Spherical Roller Bearing, Open |
| ID | 40mm |
| OD | 90mm |
| Width | 23mm |
| Advertise | 1 |
|---|---|
| Min Temp | -30°C |
| Cage Type | CC - Stamped |
| Dynamic Load Rating | 108 kN / 24200 lbf |
| Static Load Rating | 98 kN / 22000 lbf |
| Precision Rating | ABEC 1 / P0 |
| Series | 21300 |
| Rolling Elements | Spherical Rollers |
| Max Temp | 200°C |
| Condition | New – Open box |
| Item Weight | 1.57 lbs |
| Cage Material | Steel |
| Limiting Speed | 7000 rpm |
| Number Of Rows | 2 |
| Bore Type | Tapered |
| Snap Ring Included | Without Snap Ring |
| Lubricant | Oil |
| Relubrication Feature | Yes |
| Harmonization Code | 8482.30.00 |
| Contact Angle | 25° |
| Preload | Heavy |
| Mounting Arrangement | Universal |
| Maximum Permissible Misalignment | 2° |
| Material | Bearing Steel |
| Internal Clearance | CN |
| Cross Reference 1 | FAG 21308-E1-K |
|---|---|
| Cross Reference 2 | NTN 21308EAKD1 |
| Cross Reference 3 | NSK 21308EAKE4 |
| Cross Reference 4 | Timken 21308K |
| Cross Reference 5 | Koyo 21308RHRK |
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Both ball bearings and roller bearings serve the same fundamental purpose: reducing friction, supporting loads,
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When the original bearing is discontinued, not available or has a lengthy lead time, there
Our team can locate, cross-reference, and source all parts.
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