All about motors and gearheads

RM345 DC Motors PMDC Compact & Geared Motors

  • Motor Coding System
1. Motor Dia. 2. Less Shaft Motor Length 3. Voltage
3 30mm (1.181″) 2 50.6 (1.992″) A 12V
3 53.7 (2.114″) B 24V
4 60.0 (2.362″) C Other
4. Bearing 5. Connector Optional
B Ball T Terminal
L Lead Wire
  • Motor Specifications
Type No Load Rated Stall(Peak) Run Duty Weight
Reveloution Current Continouse Torque(Max) Revolution Current Peak Torque Current
RPM A RPM A A Hr lbs(kg)
RM32B[ ][ ] 7750 0.24 0.011 N-m 5800 0.55 0.048 N-m 2.05 500 1.3(0.59)
1.6 oz-in 6.8 oz-in
0.11 kgf×cm 0.49 kgf×cm
RM33B[ ][ ] 8132 0.28 0.014 N-m 6550 0.62 0.070 N-m 3.15 500 1.63(0.74)
2.0 oz-in 9.9 oz-in
0.14 kgf×cm 0.71 kgf×cm
RM34B[ ][ ] 10160 0.4 0.018 N-m 8120 1.11 0.127 N-m 6.05 500 1.96(0.89)
2.5 oz-in 18.0 oz-in
0.18 kgf×cm 1.3 kgf×cm
  • Motor Coding System
1. Motor Dia. 2. Less Shaft Motor Length 3. Voltage
4 40mm (1.575″) 2 46.4 {1.827″) A 12V
3 56.0 (2.205″) B 24V
4 61.1 (2.406″) C Other
5 68.7 (2.705″)
6 77.6 (3.055″)
4. Bearing 5. Connector Optional
B Ball T Terminal
L Lead Wire
  • Motor Specifications
Type No Load Rated Stall(Peak) Run Duty Weight
Reveloution Current Continouse Torque(Max) Revolution Current Peak Torque Current
RPM A RPM A A Hr lbs(kg)
RM42B[ ][ ] 7015 0.24 0.02 N-m 5497 0.74 0.064 N-m 2.9 1000 0.44(0.2)
2.22 oz-in 9.02 oz-in
0.16 kgf×cm 0.65 kgf×cm
RM43B[ ][ ] 5993 0.2 0.03 N-m 4486 1.13 0.140 N-m 5.0 1000 0.55(0.25)
4.6 oz-in 19.84 oz-in
0.33 kgf×cm 1.43 kgf×cm
RM44B[ ][ ] 6151 0.24 0.04 N-m 5111 1.2 0.266 N-m 7.7 1000 0.64(0.29)
5.97 oz-in 37.6 oz-in
0.43 kgf×cm 2.71 kgf×cm
RM45B[ ][ ] 6348 0.3 0.05 N-m 5440 1.58 0.324 N-m 10.8 1000 0.73(0.33)
6.8 oz-in 45.9 oz-in
0.49 kgf×cm 3.31 kgf×cm
RM46B[ ][ ] 4916 0.24 0.07 N-m 4101 1.53 0.369 N-m 8.7 1000 0.86(0.39)
9.44 oz-in 52.3 oz-in
0.68 kgf×cm 3.77 kgf×cm
  • Motor Coding System
1. Motor Dia. 2. Less Shaft Motor Length 3. Voltage
5 50mm (2.126″) 1 75.0 (2.953″) A 12V
2 81.0 (3.189″) B 24V
3 94.0 (3.701″) C Other
4 103.4 (4.071″)
5 113.0 (4.449″)
4. Bearing 5. Connector Optional
B Ball T Terminal
  • Motor Specifications
Type No Load Rated Stall(Peak) Run Duty Weight
Reveloution Current Continouse Torque(Max) Revolution Current Peak Torque Current
RPM A RPM A A Hr lbs(kg)
RM51B[ ]T 4230 0.4 0.06 N-m 3725 1.36 0.46 N-m 11.36 2000 1.3(0.59)
8.0 oz-in 64.5 oz-in
0.58 kgf×cm 4.65 kgf×cm
RM52B[ ]T 4087 0.5 0.09 N-m 3595 1.94 0.670 N-m 15.6 2000 1.63(0.74)
12.8 oz-in 94.8 oz-in
0.92 kgf×cm 6.83 kgf×cm
RM53B[ ]T 3400 0.5 0.15 N-m 2930 2.67 0.96 N-m 19.27 2000 1.96(0.89)
21.2 oz-in 135.7 oz-in
1.53 kgf×cm 9.78 kgf×cm
RM54B[ ]T 3630 0.5 0.18 N-m 3180 3.18 1.31 N-m 26.47 2000 2.2(1)
25.5 oz-in 185.4 oz-in
1.84 kgf×cm 13.36 kgf×cm
RM55B[ ]T 2900 0.4 0.22 N-m 2510 3.05 1.46 N-m 23.6 2000 2.47(1.12)
31.1 oz-in 207.0 oz-in
2.24 kgf×cm 14.92 kgf×cm