Through-bore slip rings
Hollow-centre designs that let a shaft, pipe or cables pass through the middle.
Series compared
| Brand | Series | Circuits | Current | Speed | Bore / OD |
|---|---|---|---|---|---|
| Motion Control Products | ER Series Through Bore Slip Ring | 24 | 15 A | 300 rpm | bore up to 100 mm |
| Moog | SRA-73683 | 24 | 2 A | 250 rpm | bore up to 12.7 mm |
| Moog | SRA-73830 | 22 | 8 A | 250 rpm | bore up to 12.7 mm |
| Moog | AC6438 | 24 | 5 A | 250 rpm | bore up to 12.7 mm |
| Moog | AC6349 / AC6875 | 24 | 15 A | 250 rpm | bore up to 25.4 mm |
| Moog | AC4598 (AC6419 sealed) | 24 | 10 A | 250 rpm | bore up to 38.1 mm |
| Moog | AC6200 | 48 | 10 A | 250 rpm | bore up to 38.1 mm |
| Moog | AC6815 | 128 | 10 A | 250 rpm | bore up to 38.1 mm |
| Moog | AC6428 | 96 | 2 A | 250 rpm | bore up to 34.9 mm |
| Moog | AC6429 | 60 | 10 A | 250 rpm | bore up to 34.9 mm |
| Moog | AC6275 (AC6793 sealed) | 144 | 50 A | 1000 rpm | bore up to 69.9 mm |
| Moog | AC6098 | 72 | 50 A | 250 rpm | bore up to 101.6 mm |
| Moog | AC7296 | 72 | 25 A | 500 rpm | bore up to 25.4 mm |
| Moog | Endura-Trac Standard W Series | 36 | 30 A | 60 rpm | bore up to 76.2 mm |
| Moog | Endura-Trac Fiber W Series | 76 | 30 A | 250 rpm | bore up to 228.6 mm |
| Moog | Flow Pack F 7270 | — | 20 A | 500 rpm | bore up to 25.4 mm |
| Moog | F 7154 B | 5 | 12 A | 20 rpm | bore up to 50 mm |
| Servotecnica | SVTS C (C 01-C 11) | 96 | 20 A | 500 rpm | bore up to 100 mm |
Maximum figures across each series, summarised from manufacturers' published data on the date shown on each series page. Always confirm against the current datasheet.
Where through-bore slip rings are used
Wind turbines (pitch & yaw)Robotics & robot wristsPackaging machines & rotary indexing tablesCCTV & pan-tilt camerasRadar & antenna positionersROVs & subsea winchesCable reels & reelersCranes & slewing machineryDefence turrets & weapon stationsRotating test rigs & dynamometersBottling & filling machinesStretch-wrapping & flow-wrapping machinesAmusement ridesStage revolves & entertainmentWelding positioners & turntablesMixers & process vesselsSatellite communication antennas (SATCOM on the move)
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