• SPG SC8 80 mm Right-Angle Gearheads (25 W, 3-180:1)
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SPG SC8 80 mm Right-Angle Gearheads (25 W, 3-180:1)

SPG SC8 80 mm Right-Angle Gearheads (25 W, 3-180:1)

SPG SC8 crossing (right-angle) gearhead for 80 mm 25 W motors, solid keyed (SC8KA) or hollow (SC8HA) output, ratios 3:1 to 180:1.

Key features

  • Worm gear and special helical gears give a right-angle output to the motor
  • Saves up to 50% installation space versus conventional square boxes
  • Mounts directly on SPG standard 80 mm AC/DC motors
  • Solid keyed shaft (K) or hollow shaft dia. 15H8 for load shaft dia. 15h7 (H)
  • Ratio shown on gearhead cover; not self-locking

Specifications

Frame size 80 mm square
Motor output 25 W
Max. permissible torque 80 kgf-cm (8 N-m)
Efficiency 50% (3-9), 60% (12.5-180)
Overhung load Solid 100-200 N at 10 mm; hollow 250 N
Permissible thrust load 100 N (10 kgf)
Output rotation Opposite to motor
Source SPG Standard AC Geared Motor catalog, p. 330-336
SC8KA3 Ratio: 3:1 | Output shaft: Solid, keyed | Speed 60 Hz: 600 rpm | Perm. torque 60 Hz: 2.5 kgf-cm
SC8KA3.6 Ratio: 3.6:1 | Output shaft: Solid, keyed | Speed 60 Hz: 500 rpm | Perm. torque 60 Hz: 3 kgf-cm
SC8KA5 Ratio: 5:1 | Output shaft: Solid, keyed | Speed 60 Hz: 360 rpm | Perm. torque 60 Hz: 4.1 kgf-cm
SC8KA6 Ratio: 6:1 | Output shaft: Solid, keyed | Speed 60 Hz: 300 rpm | Perm. torque 60 Hz: 5 kgf-cm
SC8KA7.5 Ratio: 7.5:1 | Output shaft: Solid, keyed | Speed 60 Hz: 240 rpm | Perm. torque 60 Hz: 6.2 kgf-cm
SC8KA9 Ratio: 9:1 | Output shaft: Solid, keyed | Speed 60 Hz: 200 rpm | Perm. torque 60 Hz: 7.4 kgf-cm
SC8KA12.5 Ratio: 12.5:1 | Output shaft: Solid, keyed | Speed 60 Hz: 144 rpm | Perm. torque 60 Hz: 12.4 kgf-cm
SC8KA15 Ratio: 15:1 | Output shaft: Solid, keyed | Speed 60 Hz: 120 rpm | Perm. torque 60 Hz: 14.9 kgf-cm
SC8KA18 Ratio: 18:1 | Output shaft: Solid, keyed | Speed 60 Hz: 100 rpm | Perm. torque 60 Hz: 17.8 kgf-cm
SC8KA25 Ratio: 25:1 | Output shaft: Solid, keyed | Speed 60 Hz: 72 rpm | Perm. torque 60 Hz: 24.8 kgf-cm
SC8KA30 Ratio: 30:1 | Output shaft: Solid, keyed | Speed 60 Hz: 60 rpm | Perm. torque 60 Hz: 29.7 kgf-cm
SC8KA36 Ratio: 36:1 | Output shaft: Solid, keyed | Speed 60 Hz: 50 rpm | Perm. torque 60 Hz: 35.6 kgf-cm
SC8KA50 Ratio: 50:1 | Output shaft: Solid, keyed | Speed 60 Hz: 36 rpm | Perm. torque 60 Hz: 49.5 kgf-cm
SC8KA60 Ratio: 60:1 | Output shaft: Solid, keyed | Speed 60 Hz: 30 rpm | Perm. torque 60 Hz: 59.4 kgf-cm
SC8KA75 Ratio: 75:1 | Output shaft: Solid, keyed | Speed 60 Hz: 24 rpm | Perm. torque 60 Hz: 74.3 kgf-cm
SC8KA90 Ratio: 90:1 | Output shaft: Solid, keyed | Speed 60 Hz: 20 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8KA100 Ratio: 100:1 | Output shaft: Solid, keyed | Speed 60 Hz: 18 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8KA120 Ratio: 120:1 | Output shaft: Solid, keyed | Speed 60 Hz: 15 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8KA150 Ratio: 150:1 | Output shaft: Solid, keyed | Speed 60 Hz: 12 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8KA180 Ratio: 180:1 | Output shaft: Solid, keyed | Speed 60 Hz: 10 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8HA3 Ratio: 3:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 600 rpm | Perm. torque 60 Hz: 2.5 kgf-cm
SC8HA3.6 Ratio: 3.6:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 500 rpm | Perm. torque 60 Hz: 3 kgf-cm
SC8HA5 Ratio: 5:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 360 rpm | Perm. torque 60 Hz: 4.1 kgf-cm
SC8HA6 Ratio: 6:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 300 rpm | Perm. torque 60 Hz: 5 kgf-cm
SC8HA7.5 Ratio: 7.5:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 240 rpm | Perm. torque 60 Hz: 6.2 kgf-cm
SC8HA9 Ratio: 9:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 200 rpm | Perm. torque 60 Hz: 7.4 kgf-cm
SC8HA12.5 Ratio: 12.5:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 144 rpm | Perm. torque 60 Hz: 12.4 kgf-cm
SC8HA15 Ratio: 15:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 120 rpm | Perm. torque 60 Hz: 14.9 kgf-cm
SC8HA18 Ratio: 18:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 100 rpm | Perm. torque 60 Hz: 17.8 kgf-cm
SC8HA25 Ratio: 25:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 72 rpm | Perm. torque 60 Hz: 24.8 kgf-cm
SC8HA30 Ratio: 30:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 60 rpm | Perm. torque 60 Hz: 29.7 kgf-cm
SC8HA36 Ratio: 36:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 50 rpm | Perm. torque 60 Hz: 35.6 kgf-cm
SC8HA50 Ratio: 50:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 36 rpm | Perm. torque 60 Hz: 49.5 kgf-cm
SC8HA60 Ratio: 60:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 30 rpm | Perm. torque 60 Hz: 59.4 kgf-cm
SC8HA75 Ratio: 75:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 24 rpm | Perm. torque 60 Hz: 74.3 kgf-cm
SC8HA90 Ratio: 90:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 20 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8HA100 Ratio: 100:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 18 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8HA120 Ratio: 120:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 15 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8HA150 Ratio: 150:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 12 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8HA180 Ratio: 180:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 10 rpm | Perm. torque 60 Hz: 80 kgf-cm
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SPG SC8 80 mm Right-Angle Gearheads (25 W, 3-180:1)

Brand SPG·Gearheads

Available part numbers (40)

SC8KA3, SC8KA3.6, SC8KA5, SC8KA6, SC8KA7.5, SC8KA9, SC8KA12.5, SC8KA15, SC8KA18, SC8KA25 + 30 more — see full table ↓

How to order

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SC8KA3Ratio: 3:1 | Output shaft: Solid, keyed | Speed 60 Hz: 600 rpm | Perm. torque 60 Hz: 2.5 kgf-cm
SC8KA3.6Ratio: 3.6:1 | Output shaft: Solid, keyed | Speed 60 Hz: 500 rpm | Perm. torque 60 Hz: 3 kgf-cm
SC8KA5Ratio: 5:1 | Output shaft: Solid, keyed | Speed 60 Hz: 360 rpm | Perm. torque 60 Hz: 4.1 kgf-cm
SC8KA6Ratio: 6:1 | Output shaft: Solid, keyed | Speed 60 Hz: 300 rpm | Perm. torque 60 Hz: 5 kgf-cm
SC8KA7.5Ratio: 7.5:1 | Output shaft: Solid, keyed | Speed 60 Hz: 240 rpm | Perm. torque 60 Hz: 6.2 kgf-cm
SC8KA9Ratio: 9:1 | Output shaft: Solid, keyed | Speed 60 Hz: 200 rpm | Perm. torque 60 Hz: 7.4 kgf-cm
SC8KA12.5Ratio: 12.5:1 | Output shaft: Solid, keyed | Speed 60 Hz: 144 rpm | Perm. torque 60 Hz: 12.4 kgf-cm
SC8KA15Ratio: 15:1 | Output shaft: Solid, keyed | Speed 60 Hz: 120 rpm | Perm. torque 60 Hz: 14.9 kgf-cm
SC8KA18Ratio: 18:1 | Output shaft: Solid, keyed | Speed 60 Hz: 100 rpm | Perm. torque 60 Hz: 17.8 kgf-cm
SC8KA25Ratio: 25:1 | Output shaft: Solid, keyed | Speed 60 Hz: 72 rpm | Perm. torque 60 Hz: 24.8 kgf-cm
SC8KA30Ratio: 30:1 | Output shaft: Solid, keyed | Speed 60 Hz: 60 rpm | Perm. torque 60 Hz: 29.7 kgf-cm
SC8KA36Ratio: 36:1 | Output shaft: Solid, keyed | Speed 60 Hz: 50 rpm | Perm. torque 60 Hz: 35.6 kgf-cm
SC8KA50Ratio: 50:1 | Output shaft: Solid, keyed | Speed 60 Hz: 36 rpm | Perm. torque 60 Hz: 49.5 kgf-cm
SC8KA60Ratio: 60:1 | Output shaft: Solid, keyed | Speed 60 Hz: 30 rpm | Perm. torque 60 Hz: 59.4 kgf-cm
SC8KA75Ratio: 75:1 | Output shaft: Solid, keyed | Speed 60 Hz: 24 rpm | Perm. torque 60 Hz: 74.3 kgf-cm
SC8KA90Ratio: 90:1 | Output shaft: Solid, keyed | Speed 60 Hz: 20 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8KA100Ratio: 100:1 | Output shaft: Solid, keyed | Speed 60 Hz: 18 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8KA120Ratio: 120:1 | Output shaft: Solid, keyed | Speed 60 Hz: 15 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8KA150Ratio: 150:1 | Output shaft: Solid, keyed | Speed 60 Hz: 12 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8KA180Ratio: 180:1 | Output shaft: Solid, keyed | Speed 60 Hz: 10 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8HA3Ratio: 3:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 600 rpm | Perm. torque 60 Hz: 2.5 kgf-cm
SC8HA3.6Ratio: 3.6:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 500 rpm | Perm. torque 60 Hz: 3 kgf-cm
SC8HA5Ratio: 5:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 360 rpm | Perm. torque 60 Hz: 4.1 kgf-cm
SC8HA6Ratio: 6:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 300 rpm | Perm. torque 60 Hz: 5 kgf-cm
SC8HA7.5Ratio: 7.5:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 240 rpm | Perm. torque 60 Hz: 6.2 kgf-cm
SC8HA9Ratio: 9:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 200 rpm | Perm. torque 60 Hz: 7.4 kgf-cm
SC8HA12.5Ratio: 12.5:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 144 rpm | Perm. torque 60 Hz: 12.4 kgf-cm
SC8HA15Ratio: 15:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 120 rpm | Perm. torque 60 Hz: 14.9 kgf-cm
SC8HA18Ratio: 18:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 100 rpm | Perm. torque 60 Hz: 17.8 kgf-cm
SC8HA25Ratio: 25:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 72 rpm | Perm. torque 60 Hz: 24.8 kgf-cm
SC8HA30Ratio: 30:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 60 rpm | Perm. torque 60 Hz: 29.7 kgf-cm
SC8HA36Ratio: 36:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 50 rpm | Perm. torque 60 Hz: 35.6 kgf-cm
SC8HA50Ratio: 50:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 36 rpm | Perm. torque 60 Hz: 49.5 kgf-cm
SC8HA60Ratio: 60:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 30 rpm | Perm. torque 60 Hz: 59.4 kgf-cm
SC8HA75Ratio: 75:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 24 rpm | Perm. torque 60 Hz: 74.3 kgf-cm
SC8HA90Ratio: 90:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 20 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8HA100Ratio: 100:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 18 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8HA120Ratio: 120:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 15 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8HA150Ratio: 150:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 12 rpm | Perm. torque 60 Hz: 80 kgf-cm
SC8HA180Ratio: 180:1 | Output shaft: Hollow (dia. 15H8) | Speed 60 Hz: 10 rpm | Perm. torque 60 Hz: 80 kgf-cm

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