Metal Bellows Couplings BK Range

Clamping Hub

BK2 with clamping hub

5 to 10,000 Nm

  • Easy to mount
  • Optional: Bolt tensioning system in size 800 and up
  • Light weight and low moment of inertia.

BKH with fully split clamping hub

15 – 4,000 Nm

  • Radial mounting possible
  • Easy installation onto pre-aligned shafts
  • Low moment of inertia.

BKL with clamping hub

2 – 500 Nm

  • Easy to mount
  • Light weight and low moment of inertia
  • Economical design

BKC with compact clamping hub

15 – 500 Nm

  • For space restricted installations
  • Light weight and low moment of inertia
  • Easy to mount

BKM with clamping hub

20 – 1,000 Nm

  • Extremely compact
  • High torque density
  • Low mass and moment of inertia.

BKS with clamping hub

15 to 500 Nm

  • For high temperatures and aggressive media
  • Compact design
  • Easy to mount

Press-Fit Connection

BK5 blind mate with clamping hub

15 – 1,500 Nm

  • Easy installation and removal
  • Electrically and thermally isolating
  • Absolutely backlash free assembly

BK6 blind mate with conical clamping hub

15 – 1,500 Nm

  • Axial mounting possible
  • Easy installation and removal
  • Naturally very well balanced due to self centering clamping ring system
  • Absolutely backlash free assembly

Conical Connection

BK3 with conical clamping system

15 – 10,000 Nm

  • High clamping pressure
  • High torque version
  • Modern design for removal system

BK4 for tapered shafts

15 – 150 Nm

  • For tapered shafts
  • Easy to mount and dismount
  • High installed concentricity

Flange Mounting

BK1 with flange mounting

15 – 10,000 Nm

  • For simple flange mounting to special drive components
  • Custom flange patterns available

BK8 with ISO flange connection

50 – 2,600 Nm

  • For ISO flange output gearboxes
  • Allows for continuous hollow through axis with some right angle gearbox designs
  • Compact design

BK7 with expanding shaft

15 – 300 Nm

  • Or hollow shaft mounting
  • Short design saves installation space
  • Solution for mismatched shaft/bore

Description

As the market leader in the field of metal bellows couplings R+W is continuously adding to its wide range of variants and can offer metal bellows couplings for widely differing applications in a variety of designs and sizes.