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Uniflex Couplings with Keyway

U125S1 1/4X1 1/4

Uniflex Couplings with Keyway
Item #102115827
  • Shaft-to-Shaft Coupling Type
  • 1-1/4 in Bore Diameter
  • 2.17 in Outside Diameter
  • U125S Coupling Size
Uniflex Couplings with Keyway
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    Shipment Options
  • Shaft-to-Shaft Coupling Type
  • 1-1/4 in Bore Diameter
  • 2.17 in Outside Diameter
  • U125S Coupling Size

applications

  • Textile equipment
  • Conveyors
  • Machine tools
  • Centrifugal pumps
  • Blowers
  • Wind tunnels
  • Steering mechanisms

features

  • Durable, one piece
  • Flexibility compensates for high degrees of shaft misalignment
  • Easy to install
  • No lubrication required
  • No wear parts
  • Compact design
  • Unaffected by oil, grease, dirt, and most industrial chemicals
Bore Type Finished Bore
Outside Dia. 2.17 in
RPM [Max] 6000 rpm
Nominal Size 1 1/4 in
Set Screw Size 3/8-16
Hub Type Short
Material Steel
Overall Length 3.75 in
Bore Range [Max] 1.25 in
Bore Dia. [Min] 5/8 in
Wind-Up Angle @ Nominal Torque 1.22 °
Wind-Up Angle @ Maximum Torque 3 °
Bolt Size 1
Color Gray/Metallic
Spider Outside Diameter 0.62 in
Spider Inside Diameter 0.313 in
Axial Misalignment 0.02 in
Temperature Range [Min] -40 °F
Bore Range [Min] 0.625 in
Coupling Type Shaft-to-Shaft
Keyway Size 1/4 x 1/8
Parallel Misalignment [Max] 0.03 in
Set Screw 3/8-16
Bore Dia. [Max] 1 1/4 in
Temperature Range [Max] 250 °F
Rated Power @ 100 rpm 1.21 hp
Coupling Size U125S
RPM 6000 rpm
Torque 755 in lb
Length Through Bore 1.1 in
Weight 2.17 LB
EAN or UPC 685144135704
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