Item Description
1.1 Seal face
1.2 Bellows
1.3 Spring collar
1.4 Drive collar
1.5 Spring
1.6 Spring holder
2 Seat
3 Corner sleeve



  • Single seal
  • Loosely inserted seal face provides self-adjusting capability
  • In-house manufactured sliding parts


The EA560 is self-adjusting to shaft misalignments and deflections because of the loosely inserted seal face as well as the ability of the bellows to stretch and tighten. The length of the contact area of the bellows with the shaft is an optimum compromise between ease of assembly (less friction) and sufficient adhesive force for torque transmission. Additionally the seal fulfills very specific leakage requirements. Because the sliding parts are made in-house, a wide variety of special needs can be accommodated.

Operating range

Shaft diameter:
d1 = 8 … 50 mm (0.375" … 2")
p1 = 7 bar (102 PSI),
vacuum … 0.1 bar (1.45 PSI)
t = -20 °C … +100 °C (-4 °F … +212 °F)
Sliding velocity: vg = 5 m/s (16 ft/s)
Axial movement: ±1.0 mm


Seal face: Carbon graphite resin impregnated (B), Silicon carbide (Q1, Q2)
Aluminium oxide (V), Silicon carbide (Q1, Q2)
Elastomer: NBR (P), FKM (V)
Metal parts: CrNi steel (F)