Built In Freewheels

A built-in freewheel is a mechanical component designed to transmit torque in one direction while allowing free rotation in the opposite direction. This essential feature is utilized in various applications.
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Stieber freewheel ASNU 60 steel BJ item number: HV73100160 Supplier item number: 30102973
  • Overrunning speed imax (RPM) 750
  • Drag torque ([Ncm]) 110
  • Overrunning speed amax (RPM) 1050
  • Producer Stieber
  • Max. torque (Nm) 1825
  • Shaft size (mm) Ø60
  • Country of origin DEU
€1,039.00
excl. VAT
Stieber freewheel ASNU 35 steel BJ item number: HV73100120 Supplier item number: 30102969
  • Overrunning speed imax (RPM) 1200
  • Drag torque ([Ncm]) 16
  • Overrunning speed amax (RPM) 1900
  • Producer Stieber
  • Max. torque (Nm) 383
  • Shaft size (mm) Ø35
  • Country of origin DEU
€395.00
excl. VAT
Stieber freewheel ASNU 15 steel BJ item number: HV73100070 Supplier item number: 30102963
  • Overrunning speed imax (RPM) 2400
  • Drag torque ([Ncm]) 1.9
  • Overrunning speed amax (RPM) 3600
  • Producer Stieber
  • Max. torque (Nm) 30
  • Shaft size (mm) Ø15
  • Country of origin DEU
€199.00
excl. VAT
Stieber freewheel ASNU 50 steel BJ item number: HV73100150 Supplier item number: 30102972
  • Overrunning speed imax (RPM) 850
  • Drag torque ([Ncm]) 55
  • Overrunning speed amax (RPM) 1350
  • Producer Stieber
  • Max. torque (Nm) 1013
  • Shaft size (mm) Ø50
  • Country of origin DEU
€690.00
excl. VAT
Stieber freewheel ASNU 12 steel BJ item number: HV73100060 Supplier item number: 30102962
  • Overrunning speed imax (RPM) 3300
  • Drag torque ([Ncm]) 1.6
  • Overrunning speed amax (RPM) 5000
  • Producer Stieber
  • Max. torque (Nm) 12
  • Shaft size (mm) Ø12
  • Country of origin DEU
€178.00
excl. VAT
Stieber freewheel ASNU 70 steel BJ item number: HV73100170 Supplier item number: 30102974
  • Overrunning speed imax (RPM) 600
  • Drag torque ([Ncm]) 140
  • Overrunning speed amax (RPM) 950
  • Producer Stieber
  • Max. torque (Nm) 2300
  • Shaft size (mm) Ø70
  • Country of origin DEU
€1,422.00
excl. VAT
Stieber freewheel NFR 30 steel BJ item number: HV73100055 Supplier item number: 30127752
  • Overrunning speed imax (RPM) 1700
  • Overrunning speed amax (RPM) 3200
  • Producer Stieber
  • Max. torque (Nm) 500
  • Shaft size (mm) Ø30
  • Country of origin DEU
€706.00
excl. VAT
Stieber freewheel AS 10 steel BJ item number: HV73100200 Supplier item number: 30102948
  • Overrunning speed imax (RPM) 3500
  • Drag torque ([Ncm]) 0.36
  • Overrunning speed amax (RPM) 5200
  • Producer Stieber
  • Max. torque (Nm) 6.8
  • Shaft size (mm) Ø10
  • Country of origin DEU
€155.00
excl. VAT
Stieber freewheel AS 25 steel BJ item number: HV73100205 Supplier item number: 30102952
  • Overrunning speed imax (RPM) 1900
  • Drag torque ([Ncm]) 2.4
  • Overrunning speed amax (RPM) 2900
  • Producer Stieber
  • Max. torque (Nm) 56
  • Shaft size (mm) Ø25
  • Country of origin DEU
€230.00
excl. VAT
Stieber freewheel NFR 20 steel BJ item number: HV73100040 Supplier item number: 30127750
  • Overrunning speed imax (RPM) 650
  • Overrunning speed amax (RPM) 650
  • Producer Stieber
  • Max. torque (Nm) 188
  • Shaft size (mm) Ø20
  • Country of origin DEU
€412.00
excl. VAT

What is a built-in freewheel?
A built-in freewheel is a specialized mechanical component designed to transmit torque in one direction while allowing free motion in the opposite direction. It is essential for applications where rotation is required to be transmitted only during certain conditions, effectively preventing backdriving. For optimal performance, built-in freewheels must be integrated within a housing that provides robust bearing support, ensuring stability and longevity of the mechanism.

 

When to use a built-in freewheel
Built-in freewheels are suitable for scenarios that demand low to medium torque and speeds. They are commonly employed in conveyor systems, printing machinery, and various types of light to medium industrial equipment. The type of support for these freewheels is non-supported, which means they rely on external components for radial and axial loads. This configuration is ideal for applications where space constraints necessitate a compact design and where the equipment can provide the necessary external support structure. Choosing a built-in freewheel ensures a streamlined integration into the system, providing a reliable solution for unidirectional torque transmission.