Linear Actuator Guide: What They Are, How They Work, and How to Choose the Right One
A linear actuator converts rotational or fluid energy into straight-line mechanical motion. This fundamental function
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The SKF NNU-4944-B/C4 Cylindrical Bearing is a high-quality mechanical component made of steel, designed for industrial automation and motion control systems. With a bore diameter of 220mm and an outside diameter of 300mm, this bearing is ideal for applications requiring reliable and precise motion control. Manufactured in Germany by the reputable brand SKF, this cylindrical roller bearing model provides durability and performance for a wide range of mechanical power transmission needs.ID: 220 mm ≈ 8 21/32″ ≈ 8.661″OD: 300 mm ≈ 11 13/16″ ≈ 11.811″W: 80 mm ≈ 3 5/32″ ≈ 3.150″
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| MFR / Brand | SKF |
|---|---|
| MPN | NNU4944BC4 |
| Model | NNU 4944 B C4 |
| Bearing Type | Cylindrical Roller Bearing, Open |
| ID | 220 mm |
| OD | 300 mm |
| Width | 80 mm |
| Advertise | 1 |
|---|---|
| Material | Steel |
| Min Temp | -30 °C |
| Cage Type | Machined |
| Dynamic Load Rating | 560 kN / 126000 lbf |
| Static Load Rating | 1220 kN / 274000 lbf |
| Precision Rating | ABEC 1 / P0 |
| Series | NNU4900 |
| Rolling Elements | Cylindrical Rollers |
| Max Temp | 150 °C |
| Condition | New – Open box |
| Item Weight | 32.5 lbs |
| Cage Material | Brass |
| Number Of Rows | 2 |
| Bore Type | Tapered 1:12 |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.50.00 |
| Internal Clearance | C4 |
| Cross Reference 1 | FAG NNU4944-S-K-M-SP |
|---|---|
| Cross Reference 2 | NSK NNU4944MBKR |
| Cross Reference 3 | NTN NNU4944 |
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A linear actuator converts rotational or fluid energy into straight-line mechanical motion. This fundamental function
When the original bearing is discontinued, not available or has a lengthy lead time, there
Every rotating machine handles two types of force: radial load (perpendicular to the shaft) and
Our team can locate, cross-reference, and source all parts.
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