U-Rail

STOCK ITEM
Floating rails are used for load bearing of radial forces and, in combination with the fixed bearing T-rail or compensation K-rail, as a support carrier for occurring moment loads.

The rails are available in 4 different sizes: 18, 28, 43, 63 mm.

Longer single rails up to max. 4080 mm on request. For longer rail systems, see section ”Joined rails” in Technical Information.

Dimensions in mm.

D1 Fixing holes for Torx® screws with low head (custom design) included in scope of supply.
D2 Fixing holes for countersunk head screws according to DIN 7991.
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Product Information

Material: Size 18, cold-drawn roller bearing carbon steel C43 F. Sizes 28-63 Cf53. Zinc-plated according to ISO 2081. Rail raceways are induction hardened and ground
Max. Acceleration (m/s²): 20 (depending on application)
Max. Operating Speed (m/s): 9 (depending on application)
Max. Radial Load Capacity (N): 15,000 (per slider)
Temperature range (°C): -20 to +120
Download PDF (all data) code.product.loadingpdf
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Configure CAD Download CAD
Designation Select all CAD Compare Get quote Lead Time * Size
1 18
1 18
2 28
1 28
1 43
1 43
1 63
1 63

*Green: Normally in stock, contact us for current status. Blue: Contact us for delivery time.

Designation Select all CAD Compare Get quote M A B B2 R1 R2 L D D1 D2 t G P Min. length
9 18 8.25 5.75 1 - 2000 9.5 M4 M4 1.9 2.6 80 160
9 18 8.25 5.75 1 - 2000 9.5 M4 M4 1.9 2.6 80 160
14 28 12 8.5 1 - 3200 11 M5 M5 2 3 80 240
14 28 12 8.5 1 - 3200 11 M5 M5 2 3 80 240
21.5 43 21 14.5 1 - 4080 18 M8 M8 3.1 4.5 80 400
21.5 43 21 14.5 1 - 4080 18 M8 M8 3.1 4.5 80 400
31.5 63 28 19.25 - 2x45° 4080 15 M8 M10 5.2 8 80 560
31.5 63 28 19.25 - 2x45° 4080 15 M8 M10 5.2 8 80 560
Designation Select all CAD Compare Get quote Weight Rail (kg/m)
0.55
0.55
1.0
1.0
2.6
2.6
6.0
6.0
Designation Select all CAD Compare Get quote A1 H (Rail+NSW/NSA) H (Rail+NSD/NSDA) H (Rail+CSW/CSWK) W1 (Rail+NSW/NSA) W1 (Rail+NSD/NSDA) W1 (Rail+CSW/CSWK) W (Rail+NSW/NSA) W (Rail+NSD/NSDA) W (Rail+CSW/CSWK)
18 (+0.25/-0.10) 16,5* n/a 15* 16 (0/-0.2) n/a 9.5 (0/-0.05) 17 (+0.1/-0.3) n/a 14 (+0.05/-0.25)
18 (+0.25/-0.10) 16,5* n/a 15* 16 (0/-0.2) n/a 9.5 (0/-0.05) 17 (+0.1/-0.3) n/a 14 (+0.05/-0.25)
28 (+0.25/-0.10) 23.9* 23.9* 23.9* 24.9 (0/-0.2) 24.9 (0/-0.2) 14.9 (0/-0.10) 26.45 (+0.1/-0.3) 32 (+0.1/-0.3) 21.7 (+0.05/-0.35)
28 (+0.25/-0.10) 23.9* 23.9* 23.9* 24.9 (0/-0.2) 24.9 (0/-0.2) 14.9 (0/-0.10) 26.45 (+0.1/-0.3) 32 (+0.1/-0.3) 21.7 (+0.05/-0.35)
43 (+0.35/-0.10) 37* 37* 37* 39.5 (0/-0.2) 39.5 (0/-0.2) 24.9 (0/-0.15) 41.25 (+0.2/-0.4) 47 (+0.2/-0.4) 34.3 (+0.15/-0.30)
43 (+0.35/-0.10) 37* 37* 37* 39.5 (0/-0.2) 39.5 (0/-0.2) 24.9 (0/-0.15) 41.25 (+0.2/-0.4) 47 (+0.2/-0.4) 34.3 (+0.15/-0.30)
63 (+0.35/-0.10) 50.5* n/a 49.8* 60 (0/-0.2) n/a 39.5 (+0.15/0) 61.5 (+0.2/-0.4) n/a 51.6 (+0.15/ -0.30)
63 (+0.35/-0.10) 50.5* n/a 49.8* 60 (0/-0.2) n/a 39.5 (+0.15/0) 61.5 (+0.2/-0.4) n/a 51.6 (+0.15/ -0.30)