- For heavy duty applications
- Outer jacket: PVC
- Oil-resistant according to DIN EN 50363-4-1
- Silicone-free
- Flame retardant
- Overall shield
- CFRIP®
- chainflex® class: 5.5.2.1
chainflex® servo cable CF21.UL
chainflex® servo cable CF21.UL
Typical application areas
- For heavy duty applications
- Light oil influence
- Preferably indoor applications, but also outdoor ones at temperatures > 5 °C
- Especially for unsupported travels and gliding travels up to 100 m
- Storage and retrieval units for high-bay warehouses, machining units/packaging machines, quick handling, indoor cranes
Guaranteed lifetime according to guarantee conditions
More Information: chainflex® Guarantee
Double strokes* | 5 million | 7.5 million | 10 million | ||||
---|---|---|---|---|---|---|---|
Temperature, | v max. [m/s] | a max. | Travel distance | R min. [factor x d] | R min. [factor x d] | R min. [factor x d] | |
from/to [°C] | unsupported | gliding | [m/s2] | [m] | |||
+5 / +15 | 10 | 11 | 12 | ||||
+15 / +60 | 10 | 5 | 80 | ≤ 100 | 7.5 | 8,5 | 9,5 |
+60 / +70 | 10 | 11 | 12 |
Certificates and standards
General properties
Number of cores and conductor nominal cross section | ||
Earth core | ||
Copper index kg/km | ||
core group 1 Number of cores & nom. cross section | ||
core group 2 Number of cores & nom. cross section | ||
Drive technology system |
Dimensions
Outer diameter (d) max. mm | ||
Weight per km |
Dynamic information
Min. bend radius, e-chain (factor) | ||
Min. bend radius, e-chain | ||
Min. bend radius, flexibel (factor) | ||
Min. bend radius, flexible | ||
Min. bend radius, fixed (factor) | ||
Min. bend radius, fixed | ||
Temperature e-chain® | ||
Temperature, flexible | ||
Temperature, fixed | ||
v max. unsupported | ||
v max. gliding | ||
a max. | ||
Class travel length | ||
Class torsion |
Cable structure
Conductor | ||
Core insulation | ||
Core structure | ||
Inner jacket | ||
Overall shield | ||
Element shield | ||
Outer jacket | ||
Jacket colour | ||
CFRIP® |
Electrical information
Nominal Voltage | ||
Testing voltage |
Properties and approvals
UV resistance | ||
Oil resistance | ||
Silicone-free | ||
EAC | ||
REACH | ||
Lead free | ||
Clean room | ||
CE | ||
UL/CSA | ||
UL verified | ||
Flame retardant | ||
NFPA | ||
UKCA |

individual cable configurator
Here, individual cables in lengths from 1,000 m can be ordered at the current daily price within 3 minutes.
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Service life predictor for cables
The parameters of travel, bend radius and acceleration will give you the service life expectancy of the chainflex® cable.
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Product finder for cables
The product finder provides you with a quick overview of all possible chainflex® cables for your application.
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Copper surcharge calculator
Calculate the current copper surcharge for your price calculation here.
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Overstock sale cables
Various cable types and lengths available as residual stocks at attractive conditions.
igus-icon-3arrowOther Solutions
chainflex® servo cable CF27.D
CF27.07.04.D
For very heavy duty use, PUR outer jacket, shielded, resistant to oil / coolant, notch-free, flame-retardant, hydrolysis-resistant and microbe-resistant, PVC-free and halogen-free
EUR 6.15/m
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ready for shipping in 24 hours
chainflex® servo cable CF29.D
CF29.15.15.02.01.D
For very heavy duty use, TPE outer jacket, shielded, resistant to oil / organic oil, free of PVC and halogen, hydrolysis-resistant and microbe-resistant
EUR 13.10/m
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ready for shipping in 24 hours