Due to the limitations of their working conditions, most coal mining machinery is operated underground, with harsh wor…
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A carving machine is a precision mechanical device that can finely carve and cut various materials. In these devices, …
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In modern industrial production, the manufacturing of micro bearings requires high precision, and precision manufacturi…
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Micro bearings, with their compact size and high precision, play an increasingly important role in modern industry and …
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Self aligning roller bearings have double row rollers,with one shared spherical raceway on the outer ring and two race-…
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