EOL-hot spare, 27 Nm shaft — where this motor sits
The 1FK7101-5AF71-1... is a Siemens SIMOTICS S 1FK7 Compact synchronous servo motor flagged on the manufacturer record as lifecycle stage eol_hot, so the line is in active last-time-buy and the field reality is the spare-part channel rather than a fresh factory order. On the shaft it delivers 27 Nm at the 100 K thermal class and 3000 rpm, with 4.85 kW continuous from a naturally cooled frame — the rating that decides whether it drops into a given axis on a retrofit or a replacement job without a drive re-size.
Mechanical envelope and connector orientation
Mounting is IM B5 with IM V1 and IM V3 also listed, which covers flange-mount, flange-with-foot, and the vertical-shaft variants a toolroom retrofit is likely to encounter; the power/signal plug is rotatable through 270°, so the cable exit can be set to clear the cabinet raceway after the motor is bolted down. The 1FK7 Compact frame runs naturally cooled — no integrated fan — which keeps the installation footprint tight and means derating curves in the manufacturer documentation govern continuous torque in an enclosed cabinet, not a nameplate headline number alone.