Grinding Mill Trunnion Bearings
Large split spherical roller bearings supporting trunnion ends of SAG and ball mills for ore grinding. These precision parts enable rotation under heavy mineral loads. Classified as parts of grinding machinery HTS 8474.90.00.
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If general purpose bearings
Bearings over 50mm ID classify by type/size, not end use unless specified.
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Import Tips & Compliance
• Require NDT certificates for bearing integrity
• Use specialized cranes for handling at ports
Related Products under HTS 8474.90.00
Rod Mill Shell Lifters
Profiled lifter bars bolted inside rod mill shells to lift grinding media and ore for cascading action during mineral grinding. These parts optimize charge motion in wet or dry mineral processing. Classified as grinding machinery parts in HTS 8474.90.00.
Cone Crusher Mantle Bowls
Manganese steel bowl liners and mantles for cone crushers that provide secondary/tertiary crushing of mineral ores through compression. These precision-machined parts form the working surfaces. Parts of ore crushing machines under HTS 8474.90.00.
Jaw Crusher Wear Plates
High-manganese steel plates designed to line the jaws of primary jaw crushers used in mining operations for crushing ore. These parts are essential for protecting the crusher frame from abrasive mineral wear during grinding and crushing processes. Classified under HTS 8474.90.00 as parts of machinery for crushing ores and mineral substances.
Vibrating Screen Deck Panels
Polyurethane or rubber screen panels fitted into vibrating screens for separating aggregates and ores by size in mineral processing plants. These replaceable parts endure high abrasion from solid mineral flows during screening operations. Falls under HTS 8474.90.00 as parts of mineral screening machinery.
Ball Mill Liner Segments
Bolted high-chrome cast iron liners that line the interior of ball mills for grinding mineral ores into fine powder. These sacrificial parts protect the mill shell and enhance grinding efficiency in mineral processing. HTS 8474.90.00 covers parts of grinding machinery for mineral substances.
Gyratory Crusher Mantle and Concave
Matched mantle (convex) and concave (concave ring) liners for gyratory crushers that process hard rock ores in primary crushing stages. Made from hard-faced alloys, these parts create the crushing chamber. Classified as parts of ore crushing machinery under HTS 8474.90.00.