Quick-change coupling / precision joint with quick lock GR/HR
The plain bearings of precision joint type GR limit the maximum permissible speed to 1,000 rpm, the needle bearings of precision joint type H7 limit the maximum permissible speed to 4,000 rpm. The maximum diffraction angle per joint is 45°.
In addition the precision joints type GR and HR have a quick lock allowing to separate them from the shaft without using any tool within short term.
This bearing allows the joints to compensate for significantly larger angular displacements compared to other coupling types.
Double joints that have two bearings are able to offset radial displacement in addition.
Precision joint with quick lock acc. to DIN 808
Type GR: Precision single joint with plain bearing and quick lock
max. speed type GR = 1,000 rpm
Type HR: Precision single joint with needle bearing and quick lock
max. speed type HR = 4,000 rpm