AST's takeup units housings are constructed out of cast iron and have a chrome steel bearing as standard. Takeup Bearing Catalog. Take Up Unit Bearings - Set Screw or Locking Collar, Standard, Thermoplastic or Economy Series - Inch and Metric- UCT-2E, EAT, EBT, SAT, SBT, UCT-G5PL, UCT-G5XPL and UCT-S6PL Series: Inch and Metric.

Corrosion-resistant take-up bearings from NTN feature stainless steel inserts, which offer superior resistance to corrosion when compared to zinc-plated inserts. The solid, flat base construction helps to prevent buildup of particles in difficult-to-clean areas.