The SR3624-2691-7-71BM is a DC motor by Kollmorgen in the SR and SRF Permanent Magnet Motors series. This NEMA 42 frame motor with standard round mounting delivers a rated speed of 2000 RPM at 170 V and 1.5 A, offering 1650 oz-in holding torque (2-stack), 400 lbs axial shaft load and PD or PF encoder options, ideal for industrial automation.
Servo Supplier is not an authorized distributor. We sell new surplus and refurbished products. All warranties are with Servo Supplier and not the manufacturer.
Encoder Options
PD and PF (500 or 1000 LPR, 5 VDC)
Frame Size
NEMA 42
Holding Torque (1 Stack)
839 oz-in (5.92 Nm)
Holding Torque (2 Stack)
1650 oz-in (11.7 Nm)
Mounting Configuration
Standard Round
Phase Resistance (1 Stack)
0.16 Ohms
Phase Resistance (2 Stack)
0.12 Ohms
Rated Current/phase (1 Stack)
10.6 Amps
Rated Current/phase (2 Stack)
14.7 Amps
Rotor Inertia (1 Stack)
0.080 kg-m2 x 10-3
Rotor Inertia (2 Stack)
0.16 kg-m2 x 10-3
Shaft Loading, Axial Force
400 lbs (1780 N)
Shaft Loading, Radial Force
140 lbs (623 N)
Thermal Resistance (1 Stack, Mounted)
1.8 °C/Watt
Thermal Resistance (2 Stack, Mounted)
1.3 °C/Watt
We used Servo Supplier to refurbish old drives and buy reconditioned parts. We received great and timely service at a fair price. I recommend them to anyone who has aging equipment and can't find support from their OEMs. Highly recommend.
Bostik Inc.
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Technomech Inc
First-time customer. The ordering process was completely seamless. The part that we ordered was at our business within 2 days. Which was excellent! We had a piece of equipment down for a little more than 48 hours. Could have been a lot longer had we purchased from one of our normal suppliers.
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Middlesex General Industries
They were very quick to get the drive we needed shipped out to us. They were also very quick to respond and help with some pictures of information on the unit we ordered to ensure we received the right part.
Justin Ball from Miba
Understood our situation, and worked to help us get it solved. Very responsive, and stepped out to keep me informed until the product arrived. Exactly as described, and promised.
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This company was fantastic to work with! Very patient with us to make sure we were getting what we needed and extremely quick shipping. Would definitely purchase from them again and again!
Carla Morgan
We asked for a fast turn around and Wake was up to the task!
Darrell Chapman
