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Zero Backlash Couplings
 
MBS - Metric Set Screw Bellows Coupling
  • High torque
  • Balanced for high RPM
  • Low Inertia
  • No maintenance
  • High torsional stiffness
  • Constant velocity
  • Long life
  • Zero backlash
Clamp Style Bellows Couplings
Set Screw Bellows Couplings
PART NUMBER BORE 1 (mm) BORE 2 (mm) OD (mm) LENGTH L (mm) SET SCREW HUB WIDTH LH (mm) STATIC TORQUE (Nm)  TORSIONAL STIFFNESS (Nm/Deg)  MISALIGNMENT
ANGULAR (Deg) PARALLEL (mm) AXIAL MOTION (mm)
MBS15 3 3 15 25 M3 8.65 2.5 8
1.50 0.10 0.20
4 4
5 5
6 6
MBS19 4 4 19 30 M3 10.40 4.5 14
1.50 0.10 0.25
5 5
6 6
8 8
MBS25 6 6 25 33 M4 11.85 6.8 27
1.50 0.10 0.30
8 8
10 10
12 12
MBS33 8 8 33 40 M4 15.00 13.6 45
1.50 0.15 0.40
10 10
12 12
14 14
15 15
16 16
MBS41 10 10 41 51 M5 18.05 28.0 63
2.00 0.25 0.50
12 12
14 14
15 15
16 16
20 20
MBS51 12 12 51 59 M6 20.55 45.2 108
2.00 0.25 0.50
14 14
15 15
16 16
20 20
25 25


Note 1 Static torque ratings are at maximum misalignment. To obtain dynamic rating, static ratings should be divided by 2 for non-reversing applications and by 4 for reversing applications.
Note 2 Hardware is alloy steel with black oxide finish. Parts MBS15 and MBS19 have one set screw on each end. MBS25, MBS33, MBS41 and MBS51 have two set screws 90° apart.
Note 3 Performance ratings are for guidance only. The user must determine suitability for a particular application.

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