Bellows Style (BWC and BWLC Series)

  • High torsional stiffness
  • All metal (aluminum hub, stainless steel bellow)
  • No maintenance required
  • Low reactionary loading; low inertia
Bellows Style (BWC and BWLC Series)

Bellows Style (BWC and BWLC Series) Additional Resources

BWC Series Overview

  • Standard bellows style coupling
  • Material: Aluminum hubs with stainless steel bellows
  • Nominal Torque: up to 88.5 in-lbs
  • Torsional Stiffness: up to 71,420 in-lbs/rad
  • Bore Capacity: up to .748 inches
  • Max RPM: up to 15,000 RPM
  • Max Temperature: 212°F

BWC Series Performance Data 

Torque

Torque

Max

Weight*

Moment of

Misalignment

 

Nominal*

Stiffness*

 

 

inertia*

Angular

Parallel

Axial

Size

in-lbs

in-lb/rad

RPM

oz

g

lb-in2

degrees

in

in

BWC-21

3.5

2248

15,000

0.3

9.0

0.009

1.2°

0.004

0.009

BWC-23

8.0

4487

15,000

0.3

9.0

0.009

1.2°

0.004

0.008

BWC-26

13.3

6620

15,000

0.8

22.0

0.038

1.2°

0.004

0.01

BWC-32

17.7

13541

15,000

1.3

36.0

0.085

1.2°

0.004

0.012

BWC-41

39.8

57083

15,000

2.6

74.0

0.335

1.2°

0.004

0.012

BWC-47

88.5

71420

15,000

4.2

120.0

0.789

1.2°

0.006

0.016

* Based on minimum bore size.

BWC Series Overview

  • Standard bellows style coupling
  • Material: Aluminum hubs with stainless steel bellows
  • Nominal Torque: up to 88.5 in-lbs
  • Torsional Stiffness: up to 71,420 in-lbs/rad
  • Bore Capacity: up to .748 inches
  • Max RPM: up to 15,000 RPM
  • Max Temperature: 212°F

BWC Series Performance Data 

Torque

Torque

Max

Weight*

Moment of

Misalignment

 

Nominal*

Stiffness*

 

 

inertia*

Angular

Parallel

Axial

Size

in-lbs

in-lb/rad

RPM

oz

g

lb-in2

degrees

in

in

BWC-21

3.5

2248

15,000

0.3

9.0

0.009

1.2°

0.004

0.009

BWC-23

8.0

4487

15,000

0.3

9.0

0.009

1.2°

0.004

0.008

BWC-26

13.3

6620

15,000

0.8

22.0

0.038

1.2°

0.004

0.01

BWC-32

17.7

13541

15,000

1.3

36.0

0.085

1.2°

0.004

0.012

BWC-41

39.8

57083

15,000

2.6

74.0

0.335

1.2°

0.004

0.012

BWC-47

88.5

71420

15,000

4.2

120.0

0.789

1.2°

0.006

0.016

* Based on minimum bore size.

For Higher Max RPM: see Curved Jaw or Mini Jaw
For Higher Angular Misalignment: see Beam, Mini-Disc, Oldham, or Mini Soft
For Higher Parallel Misalignment: see Oldham
For Higher Axial Misalignment: see Mini-Disc
For Higher Temperature Limits: see Mini-Disc, Curved Jaw or Mini Jaw
Or, for other coupling types: see Coupling Preselection Guide