Item description/product images

DescriptionMaterial:Rail and race ball-bearing steel.
Balls, ball-bearing steel.
Ball cage steel.
Version:Rail, runner and ball cage galvanized.
Race inductively hardened.
Balls hardened.
Note:Full extension consisting of two guide rails which serve as fixed and moving elements and two runners which form the intermediate element when connected to each other. This arrangement offers good protection for the open ball cages from dirt. The maximum travel is greater than the closed length of the telescopic rail. Mounting should be carried out horizontally if possible. To allow access to all fastening holes, the locking screw in the rail must be removed before mounting and replaced afterwards. Travel in both directions is achieved by removing the locking screws.

The internal stops limit the cage. Provide external stops for a loaded system.

Use grade 10.9 DIN EN ISO 10642 countersunk head screws to install the rail.

The maximum traversing speed is 0.8 m/s.

Application temperature -30 °C to +170 °C.
DownloadHere is all the information as a PDF datasheet:
 Datasheet 21338 Telescopic rails double arrangement 132 kB


Telescopic rails, double arrangement

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for screw
No. of
21338-2802102828232M52621014323023 162.27 €
21338-2803702828380M52637014824825 215.54 €
21338-2804502828434M52645013933936 239.44 €
21338-2805302828548M52653013323327 267.21 €
21338-3503703535406M63437025225225 243.17 €
21338-3504503535494M63445024294296 283.53 €
21338-3505303535558M63453023943947 309.52 €
21338-3506103535646M63461023383388 348.12 €
21338-4304504343486M8444502,5133112796 361.19 €
21338-4305304343556M8445302,5119311937 386.86 €
21338-4306104343626M8446102,5108210828 432.88 €
21338-4307704343796M8447702,584584510 519.57 €
21338-4309304343966M8449302,569369312 571.24 €
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Roller guide rail
Rollenführung Anwendungsfilm
Guide carriages and rails with rollers with low friction coefficient
United States
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