A BALL BEARING SUB ASSEMBLY USED IN A CONVEYOR ROLLER MADE FROM EN1A STEEL THAT IS CASE HARDENED. THE INNER IS MADE FROM TURNED STEELBAR ANDTHE OUTER IS MADE FROM SHEET STEEL. THE ASSEMBLY CONTAINS A PLASTIC CAGE THAT IS INJECTION MOULDED FROM NYLON. THE WHOLE ASSEMBLY IS HELD TOGETHER WITH 9 X 5/32 INCHDIAMETER CHROME STEEL BALLS.

CLASSIFICATION IS DETERMINED BY GENERAL RULES 1 &| 6 TOGETHER WITH THE TEXT TO CN CODES 8482, 848210 AND 84821010.