Stock Drive Products & Sterling Instrument - SDP/SI Datasheets for Power Springs and Spring Motors

Power springs and spring motors are rotational-drive springs that are wound tightly and mounted on an arbor. They are used in applications such as retractable reels, tape measures, and retracting seat belts.
Power Springs and Spring Motors: Learn more

Product Name Notes
Neg'ator Spring Motor Assembly, Rated @ 0.1 lb-in Spring Torque & 3000 C -- A 3Z52-ML1448
Neg'ator Spring Motor Assembly, Rated @ 0.78 lb-in Spring Torque & 7500 C -- A 3Z52-ML2917
Neg'ator Spring Motor Assembly, Rated @ 1.56 lb-in Spring Torque & 2500 C -- A 3Z52-ML2918
Neg'ator Spring Motor Assembly, Rated @ 10.6 lb-in Spring Torque & 4000 C -- A 3Z52-ML2486
Neg'ator Spring Motor Assembly, Rated @ 11.9 lb-in Spring Torque & 2500 C -- A 3Z52-ML2480
Neg'ator Spring Motor Assembly, Rated @ 13.9 lb-in Spring Torque & 2500 C -- A 3Z52-ML2484
Neg'ator Spring Motor Assembly, Rated @ 15.5 lb-in Spring Torque & 2000 C -- A 3Z52-ML2482
Neg'ator Spring Motor Assembly, Rated @ 2.33 lb-in Spring Torque & 4500 C -- A 3Z52-ML2919
Neg'ator Spring Motor Assembly, Rated @ 3.12 lb-in Spring Torque & 2500 C -- A 3Z52-ML2920
Neg'ator Spring Motor Assembly, Rated @ 3.63 lb-in Spring Torque & 15000 C -- A 3Z52-ML2492
Neg'ator Spring Motor Assembly, Rated @ 3.9 lb-in Spring Torque & 2000 C -- A 3Z52-ML2921
Neg'ator Spring Motor Assembly, Rated @ 5.62 lb-in Spring Torque & 9000 C -- A 3Z52-ML2490
Neg'ator Spring Motor Assembly, Rated @ 6.65 lb-in Spring Torque & 6000 C -- A 3Z52-ML2476
Neg'ator Spring Motor Assembly, Rated @ 7.95 lb-in Spring Torque & 5000 C -- A 3Z52-ML2478
Neg'ator Spring Motor Assembly, Rated @ 8.06 lb-in Spring Torque & 6000 C -- A 3Z52-ML2488
Industrial fasteners are hardware devices that join two or more items together, creating a semi-permanent or permanent connection. The fasteners most frequently used by machinery designers are screws, nuts, retaining...