Ruland, 69.9 mm OD 30 mm, 87.1 mm Length Flexible Coupling 25 mm

View all Flexible Couplings

Subtotal (1 unit)*

€368.04

(exc. VAT)

€452.69

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 09 April 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +€368.04

*price indicative

RS Stock No.:
591-203
Mfr. Part No.:
MBC70-30-25-A
Manufacturer:
Ruland
Find similar products by selecting one or more attributes.
Select all

Brand

Ruland

Product Type

Flexible Coupling

Outside Diameter

69.9 mm

Length

87.1mm

Maximum Speed

10000rpm

Torque Rating

104.5Nm

Moment of Inertia

4.263 x 4-2 kg/m²

Misalignment - Angular

2.0°

Misalignment - Parallel

0.30mm

Hub Material

Aluminium

Misalignment - Axial

0.76mm

Minimum Operating Temperature

-40°F

Bore Size B

25mm

Bore Size A

30mm

Bellows Material

321 Stainless Steel

Series

MBC70

Maximum Operating Temperature

200°F

Standards/Approvals

DIN 912 12.9, ISO 9001:2015, REACH, RoHS3

Screw Size

M8

COO (Country of Origin):
US
The Ruland High Stiffness Bellows Coupling is engineered for precision applications, combining advanced materials and meticulous manufacturing processes. The innovative design incorporates lightweight anodised aluminium hubs and a robust stainless steel bellows, achieving both minimal inertia and maximum performance. With an outer diameter of 69.9 mm and a length of 87.1 mm, this coupling stands out in its ability to accommodate misalignment while maintaining torsional rigidity. Ideal for high speed operations up to 10,000 RPM, it is crafted for optimal vibration reduction and features a balanced design that enhances overall functionality.

Engineered for high stiffness to enhance precision in positioning applications

Lightweight construction to reduce rotational inertia and improve efficiency

Balanced design that minimises vibration at high rotational speeds

Designed to accommodate various forms of misalignment effectively

Constructed from premium materials sourced from North American mills

Manufactured under strict ISO 9001:2015 controls for reliable quality

Compliant with international safety and environmental standards

Offers a zero backlash feature for improved mechanical performance

Machined from stainless steel for durability and longevity

Equipped with metric hardware for convenient installation

Related links