XABR-040

Air bushings can be used in different versions: if on the one hand, self-alignment gradually decreases, on the other hand, stiffness and then guides accuracies increase. They can be summarized as follows:  

  • RFF FLOATING VERSION

The sealing O-rings act as a spring and allow the cylindrical bearing to self-align to the guide element, and to help compensation of straightness and parallelism errors (within certain limits) as in the case of systems with 2 or more parallel shafts  

  • RFI STIFFENED FLOATING VERSION

The sealing O-rings also act as a spring, but, supplying compressed air in the resin room, the OR stiffen and allow less elasticity in the self-alignment  

  • RFR RESIN STIFFENED VERSION

The resin process leads to a rigid coupling, not self-aligning: in case of very slight misalignment of the guide shafts, it still guarantees the best alignment of the cylindrical bearings during the resin drying process    

TECHNICAL DATA

Model

XABR-040

Code RBB – only air bushing version

WF10500040000

Code RFx – air bushing + support version

WF105000240100

Dimensions RBB – only air bushing version

id.40 od.59.6×77 mm

Dimensions RFx- air bushing + support version

84x73x78 mm

Weight RBB – only air bushing version

0.25 Kg

Weight RFx – air bushing + support version

0.82 Kg
perfomances @ 4 µm air gap

Maximum Radial Load

568 N

Radial Stiffness

63 N/µm

Air consumption

2.3 ÷ 2.9 l/min ANR
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