The Pacific Scientific SK45B21140-000 is a robust permanent magnet DC motor from the Permanent Magnet DC Motors series. It operates at 1750 RPM, delivers 4.5–108 lb·in continuous torque and 1.4–14 A continuous current, and features TEFC/TENV enclosures, NEMA 56C/145TC frames, and UL1004/CSA C22.2 certifications.
Servo Supplier is not an authorized distributor. We sell new surplus and refurbished products. All warranties are with Servo Supplier and not the manufacturer.
Base Options
Removable or welded base
Brush Access
Field replaceable brush system
Certifications
UL1004, CSA C22.2 No.100, CE
Continuous Current
1.4–14 A
Continuous Torque
4.5–108 lb·in
Enclosure Type
TEFC, TENV
Frame Type
NEMA C face
Inductance
3.4–42.8 mH
Inertia
2.9–40.1 lb·in
NEMA Frame
56C, 145TC
Operating Speed
1750 RPM
Peak Current
26–81 A
Power
0.125–3.0 HP
Resistance
0.6–9.6 Ω
Torque Constant
3.9–9.3 lb·in/A
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.
WE absolutely LOVE Servo Supplier. They are quick, efficient and friendly. Honest too, which is huge in our industry. We deal with many different companies, and these guys are tops in our humble opinion. There has never been an issue with delivery, no warranties, no hidden fees, no surprises. Just what you want in the manufacturing business. Smooth, and we love smooth.
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.
Steve T. from NF&M International
I found these guys online and needed a somewhat obscure part quickly, and they delivered! Very quick process from the time I requested a quote to the shipping of my items. Great work Servo Supplier team!
FlexPac
Servo Supplier is my go to place for obsolete parts. They always seem to find them and the price is usually good. Any time I have questions they respond very quickly and professionally. I highly recommend them!
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.
Brian Tomlin
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
