Crystal Puller Bearing Outer Ring
Heavy-duty outer race for ball bearings rotating crystal boules in Czochralski semiconductor pullers. Designed for 500kg+ loads at low speeds with melt containment. HTS 8482.99.05.00 classification for ball bearing parts.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If part of complete crystal growing machine
Semiconductor statistical notes place full puller systems in 8479.
If other bearing parts like cages
Non-ring components use different part provisions.
If laboratory crystal growth furnaces
Lab-scale semiconductor processing equipment differs.
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Import Tips & Compliance
• Specify boule diameter capacity (200-450mm) and rotation speeds to confirm puller application
• Provide fracture toughness data for silicon melt exposure environments
• Invoice must state 'for ball bearings in crystal growing equipment' explicitly
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