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SP3 | Metal Bellows Coupling

External Clamping Ring

The SP3 is designed with two precision machined clamping ring hubs that are mounted concentrically to a flexible bellows.
This coupling has an extremely high balancing quality due to its symmetrical design which allows it to run smoothly at high operating speeds (See Table). It offers high clamping forces that provide for brief overloading of 1.5 times the rating indicated. The SP3 is an absolutely backlash free solution and is maintenance-free if the technical ratings are not exceeded.
The bellows are made of highly flexible high-grade
 stainless steel. Hubs and clamps are made of steel.

SP3 Banner

METAL BELLOWS COUPLING WITH
EXTERNAL CLAMPING RING

50-10,000 NM

SP3 Diagram

SP3 Series Variants

*See above picture for reference

ItemTorque(Nm)Length (mm)Fit Length (mm)I.D. possible Ø - Ø H7 (mm)O.D. (mm)MomentInertiaWeight (kg)TorsionStiffnessAxial(mm)Lateral(mm)Angular(deg)AxialSpringStiffness(N/mm)LateralSpringStiffness(N/mm)Fastening screwTorque (Screw)Jack ScrewHub O.D.Speed
SP3-606066 | 762514-32660,58 | 0,600,9 | 0,9276 | 551,5 | 20,2 | 0,251 | 1,572 | 481200 | 4206 x M58,53 x M56622500

SP3-15015075 | 873018-35811,6 | 1,621,7 | 1,8175 | 1102 | 30,2 | 0,251 | 1,582 | 521500 | 4356 x M6143 x M68116500

SP3-20020076 | 883220-42902,42 | 2,522,1 | 2,2191 | 1402 | 30,25 | 0,31 | 1,590 | 602040 | 6106 x M6143 x M69016500

SP3-30030089 | 1033625-551106,38 | 6,563,52 | 3,6450 | 3502,5 | 3,50,25 | 0,31 | 1,5105 | 713750 | 10506 x M8306 x M811013500

SP3-50050097 | 1114030-6012410,35 | 10,674,73 | 4,83510 | 5002,5 | 3,50,3 | 0,351 | 1,570 | 482500 | 8406 x M8353 x M812212500

SP3-8008001174032-6013310,94,97803,50,351,510020006 x M10503 x M10-10000

SP3-150015001335342-7515724,37,913043,50,351,532036006 x M10603 x M10-8000

SP3-400040001956550-100200107,919,034003,50,41,556560706 x M121203 x M12-6000

SP3-600060002508660-140253466,245,057003,00,41,51030192006 x M162603 x M16-5000

SP3-10000100003009570-1803001187,480,5109503,00,41,5985218006 x M162954 x M16-3000



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