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Bosch Rexroth has extended its line of PSK Precision Modules to include the PSK 40, now the smallest size in its product line. The new size PSK brings high-precision solutions to medical, semiconductor, and small machining applications, where high stiffness and rapid cycle times are required.
Measuring 40 x 20 mm, PSK 40 Precision Module features max length of 350 mm and incorporates 6 mm diameter ball screw with option for 1 or 2 mm lead.
Ball screw is manufactured to tolerance class 7 with preloaded ball nut. Ball tracks are machined into precision steel base, which includes machined reference edge.
Bosch Rexroth AG, part of the Bosch Group, achieved sales of approximately $5.7 billion (4.6 billion Euro) in 2005 with over 28,200 employees. Under the brand name of Rexroth the company offers all drive and control technologies, from mechanics, hydraulics and pneumatics to electronics and associated service. Over 500,000 customers worldwide utilize Rexroth
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| PAP8060P20 bearing | 80 | 85 | 60 |
| PAP8040P20 bearing | 80 | 85 | 40 |