การผลิตตลับลูกปืนเกียร์และอุปกรณ์ที่ใช้ขับเคลื่อน

This class includes:
- manufacture of ball and roller bearings and parts thereof
- manufacture of mechanical power transmission equipment:
* transmission shafts and cranks: camshafts, crankshafts, cranks etc.
* bearing housings and plain shaft bearings
-

This class excludes:
- manufacture of other chain, see 2599
- manufacture of (electromagnetic) clutches, see 2930
- manufacture of sub-assemblies of power transmission equipment identifiable as parts of vehicles or aircraft, see divisions 29 and 30