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 Fafnir MM155EXCRDU bearing is a high-quality angular contact ball bearing made of steel, designed with a bore diameter of 2-3/4 inches, an outside diameter of 4-3/4 inches, and a width of 1-1/8 inches. Manufactured in the United States, this bearing is capable of handling loads up to 150 pounds, making it suitable for various industrial automation and motion control applications. Its specific model number indicates a precision engineering design for reliable performance in demanding mechanical systems.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | MM155EXCRDU |
| Model | MM 155 EX CR DU 150# |
| Bearing Type | Angular Contact Ball Bearing |
| ID | 2-3/4 in |
| OD | 4-3/4 in |
| Width | 1-1/8 in |
| Advertise | 1 |
|---|---|
| Material | Steel |
| Condition | New |
Agentic AI procurement is running live in enterprise software. Most
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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