Ruland Stainless Steel 25.4mm OD Bellows Coupling with Set Screw Fastening

  • RS Stock No. 174-7207
  • Mfr. Part No. MBS25-12-12-A
  • Manufacturer Ruland
Product overview and Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): US
Product Details
Dimensions
Size Code OD (mm) L (mm) L1 (mm)
1 15 25 8.65
2 19 30 10.4
3 25 33 11.85
4 33 40 15.00
5 41 51 18.05
6 51 59 20.55
Size Code Max. Static Torque (Nm) Torsional Stiffness (Nm /Deg ) Max. Axial Offset (mm) Max. Angular Offset (°) Max. Parallel Misalignment (mm)
1 2.50 8 0.20 1.50 0.10
2 4.50 14 0.25 1.50 0.10
3 6.80 27 0.30 1.50 0.10
4 13.60 45 0.40 1.50 0.15
5 28.00 63 0.50 2.00 0.25
6 45.20 108 0.50 2.00 0.25

Ruland MBS25-12-12-A is a bellows coupling with 12mm x 12mm bores, 25.4mm OD, and 33.3mm length. It is zero-backlash and has a balanced design for reduced vibration at high speeds. MBS25-12-12-A is comprised of two anodized aluminum hubs and a stainless steel bellows. The bellows are able to flex while remaining rigid under torsional loads allowing for all types of misalignment to be accommodated. This bellows coupling is lightweight and has low inertia making it suitable for applications with speeds up to 10,000 RPM. Hardware is metric and tests beyond DIN 912 12.9 standards for maximum torque capabilities. Ruland manufactures MBS25-12-12-A to be torsionally rigid and an excellent fit for precise positioning stepper servo applications as well as encoders. It is machined from solid bar stock that is sourced exclusively from North American mills. MBS25-12-12-A is carefully manufactured in our Marlborough, MA factory under strict controls using proprietary processes.

Specifications
Attribute Value
Coupling Types Bellows Coupling
Bore 12mm
Outside Diameter 25.4mm
Length 33.3mm
Fastening Type Set Screw
Torque Rating 6.8Nm
Torsional Stiffness 27°/Nm
Misalignment - Angular 1.5°
Misalignment - Parallel 0.1mm
Misalignment - Axial 0.3mm
Bellows Material Stainless Steel
1 In stock for delivery within 3 working days
Price Each
HK$ 805.67
(exc. GST)
units
Per unit
1 - 4
HK$805.67
5 - 9
HK$781.53
10 +
HK$757.39
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