rR-TLRNTfh PR Racks Module 2-4 Order Code Module L1 N° of teeth b.0.5 hk h0 f a I N° of holes h d-i d2 t a1 I1 d3 500 mm and other length on request. Total pitch error • Milled teeth, quenched and tempered • Heat-treatable steel according to ATLANTA-Standard • Bright steel, backside machined Mounting racks, see page ZF-2. To achieve precision rack joints, we recommend our patented rack assembly kit, see page ZF-4. For lubrication of racks & pinions, we recommend our automatic lubrication systems, see page ZE-1. For the calculation and selection of the rack & pinion drive, see page ZD-1. Screws for rack mounting, see page ZF-3.