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Bending axes
Main Dimensions & Performance Data
| h | 12.2 mm | Height |
| b | 20 mm | Width |
| lmax | 2,400 mm | Length maximum 1 |
| ly | 3,065 mm⁴ | Second moment of area |
| lz | 2,053 mm⁴ | Second moment of area |
| LFQ | 165 mm² | Cross-sectional area 2 |
| Wy | 362 mm³ | Wider resistance torque |
| Wz | 324 mm³ | Wider resistance torque |
Mounting dimensions
| N1 | 4.5 mm | Bore diameter 3 |
| N3 | 8 mm | Bore diameter 4 |
Dimensions
| a2 | 16.2 mm | Distance |
| aL max | 54 mm | Distance 5 |
| aL min | 9 mm | Distance 5 |
| aR max | 54 mm | Distance 5 |
| aR min | 9 mm | Distance 5 |
| b1 | 17 mm | Width |
| dLW | 4 mm | Diameter |
| eZ | 6.4 mm | Distance |
| h1 | 7.6 mm | Height 6, 7 |
| h4 | 9 mm | Height |
| jL | 62.5 mm | Increment 8 |
Footnotes
1
Maximum length of single-piece guideways.
Longer guideways are supplied as several segments and are marked accordingly.
2
Value for cross-sectional area.
3
For screw to DIN 912-8.8 (DIN EN ISO 4762),
under maximum load support washers to DIN 433 (DIN EN ISO 7092) are required.
4
Under maximum load Fz and F0z, support washers to DIN 433 and the maximum tightening torque (see mounting instructions) are required.
5
aL and aR are dependent on the guideway length.
6
If support washers to DIN 433 are used, screws to DIN 7984 are recommended.
7
Counterbore depth for screws to DIN 7984.
8
Recommended screw pitch.
Underside marked.
Modulus of elasticity for LFS..: 72 000 N/mm2.
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| Size code | 20 |