Alternatively, you can also select a connector with integrated interference protection circuit. Page 6. 6/28. WE | Directional spool valve. Bosch Rexroth AG Bosch Rexroth AG Hydraulics. P T. A B a. 0 b. A B. P T a. 0. 4WRE; 4WREE RE 29061/11.12. Ordering code. Further details in the plain text. Seal material. mely reduced rear flank backlash, so that hydraulic sealing is 2 Shaft seal ring R. Splined shaft SAE. J 744 16-4 9T. R. R. SAE J 744 82-2 A.Bosch Rexroth Product Area 2 - Compact Hydraulics (CH) proposes a wide range of Ensure that all seals and back-up rings for the matching surfaces are R-rings for pilot oil connections. 17. • Seal kits. 17. • Fixing screws. 17. • Orifice dimensions. 17. Ordering details, symbols and unit dimensions:. wear of the seal ring. – Filter for 1st stage externally accessible, see pages 16, 17 and 18. Information on available spare parts: boschrexroth.com/spc 1 Retaining ring. 2 Shaft seal ring. 3 Front cover. 4 Slide bearing. 5 Centering pin. 6 Gear (driven). 7 Gear (drive). 8 Case seal. 9 Pump case. 10 Bearing. boschrexroth.com/spc. Cover plates Observe compatibility of seals with hydraulic fluid used! 5. Type of con- nection: R-ring plate. Ensure that all seals and back-up rings for the matching surfaces are flawless and correctly placed. • Do not put any sealing material other than the standard •R-rings for the pilot oil connections. 62. • Seal kits. 63. •Fixing screws. 63. • Orifice dimensions. 63. Ordering details, symbols and unit dimensions:.