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Telescopic slide / ball bearing - GN 2404
Telescope-Linear motion bearings GN 2404 with partly outside traversal distance are used e.g. for storing drawers and sliding doors or in jigmaking for the traversal in linear direction. Rail and runner are equal in length.The traversal distance of the runner lies on side, and with the support screw removed on both sides, just over half outside the rail. This creates a stroke which slightly exceeds half, resp. the full length of the rail.
Limiting the maximum stroke should be ensured by external elements; the supports of the rail have been designed to guard against the inadvertent extraction of the runner.