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Siemens 1FK7042-5AF21-1UB0 — Servo Motors

Siemens 1FK7042-5AF21-1UB0 Servo Motor, 5.44 kg

MPN1FK7042-5AF21-1UB0
End of Life

Siemens 1FK7042-5AF21-1UB0, 1FK7 compact synchronous servo motor, 5.44 kg, EOL phase-out, quoted to order through independent distribution.

$4,803.95Ref. price · indicative, final on quote
Siemens 1FK7042-5AF21-1UB0 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

1FK7042-5AF21-1UB0 — Mechanical
ParameterValue
Weight5.44 kgs

Product details

1FK7 compact synchronous motor on a Siemens drive line

The 1FK7042-5AF21-1UB0 is the 1FK7 compact synchronous motor in the Siemens servo family — a low-inertia brushless design that pairs with a SINAMICS S120 drive module for high-dynamic positioning on a CNC feed axis, an indexing table, or a packaging line.

MPN
1FK7042-5AF21-1UB0