Siemens 1FK7042-2AK71-1BG2 — Permanent-magnet Synchronous Motor
| Part number | 1FK7042-2AK71-1BG2 |
|---|---|
| Brand | Siemens |
| Description | Permanent-magnet Synchronous Motor |
| Manufacturer | Siemens |
| Product Type | Permanent-magnet synchronous motor |
| Product Line | 1FK7 |
| Part Number | 1FK7042-2AK71-1BG2 |
| UPC | 887621241957 |
| Weight | 11.00 lbs (4.99 kg) |
| Motor Design | Compact design |
| Rated Speed | 6,000 rpm |
| Rated Torque | 1.5 Nm |
| Static Torque (100 K) | 3.00 Nm |
| Stall Current (100 K) | 4.40 A |
| Efficiency | 89.00% |
| Moment of Inertia | 2.900 kg·cm² |
| Voltage Constant | 44.5 V/1,000 minâ»Â¹ at 20°C |
| Torque Constant | 0.68 Nm/A |
| Degree of Protection | IP65 and DE flange IP67 |
| Cooling Method | Natural cooling |
| Encoder System | Single-turn absolute encoder (24 bits) |
| Shaft End | Plain shaft |
| Maximum Speed (Mechanical) | 9,000 rpm |
Siemens has developed the 1FK7042-2AK71-1BG2 model, featuring a permanent-magnet synchronous motor ideal for high-performance applications. It boasts a compact design, with a rated speed of 6,000 rpm and a maximum mechanical speed of 9,000 rpm.
Also written as
887621241957
Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.
Data compiled from 1 verified source. Last reviewed 2026-08-16.
Related Siemens parts
- 1FK6032-6AK71-1SG0 — The 1FK6032-6AK71-1SG0 model from Siemens is an AC servo...
- 1FK6032-6AK71-1TA0 — Synchronous Servo Motor
- 1FK6032-6AK71-1TG0 — The Siemens 1FK6032-6AK71-1TG0 is a synchronous servo...
- 1FK6032-6AK71-1TH0 — The Siemens 1FK6032-6AK71-1TH0 is a synchronous servo...
- 1FK6040-6AK71-1AH0 — Synchronous Servo Motor
- 1FK6040-6AK71-1EH0 — Synchronous Servo Motor
- 1FK6040-6AK71-1TH0 — Synchronous Servomotor
- 1FK6042-6AF71-1AA0 — Synchronous Servo Motor
- 1FK6042-6AF71-1AB0 — The 1FK6042-6AF71-1AB0 model from Siemens is a...
- 1FK6042-6AF71-1AG0 — Synchronous Servo Motor