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All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > Universal Joints > Needle Bearing Type Universal Joints > Needle Bearing Type without Keyway - Inch (Imperial) Bores > Part Number 68514415628  
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Part Number 68514415628, Needle Bearing Type without Keyway - Inch (Imperial) Bores



Needle Bearing (NB) Type
  • Designed with high quality, pre-lubricated, and sealed needle bearings
  • Ideal for applications up to 25° of angular misalignment and speeds up to 6,000 RPM
  • Available in sizes: 6, 8, 10 and 12 (Other sizes are quantity dependent) with your choice of round, hex, splined, or keyway bores
  • Boot retaining grooves are standard. (Boots are available for purchase separately.) 
  • Lubrication is required for optimal wear – boots and lubricant extend universal joint life




Unit of Measure: Imperial Metric Both

Specifications  · Dimensional Data  · Performance Data  · Notes

Specifications

Description 

NB8B-UJ-5/8X5/8-NKW NSS BE

Type

Universal Joints - NB Type

Material

Steel

Style

Bored

Weight

0.91 lb

Color

Metallic

Bore Type

Finished Bore


Dimensional Data

Bore A & B

5/8 in

Size

NB8B

Set Screw Size

No Setscrew

Keyway A & B (W x D)

No Keyway

Outside Diameter

1.250 in

Overall Length

3.75 in

Bore Depth (Dimension C)

1.060 in

Max. Bore (Dimensions ID1/ID2)

1.000 in
25.00
mm

Main Pin Height (Dimension E)

1.880 in

Cubic inches

5.85938 in³


Performance Data

Operating Temperature Range

-30 to 212 ºF

Static Breaking Torque

2500.00 in·lb

Max. Speed

6000 rpm

Static Breaking Torque

2500.00 in-lb

Max. Angle Offset

25.00 º


Notes

Notes 

  • Static Breaking Torque is not recommended operating torque.
  • Square and hex bore measured across the flats.
  • Maximum operating angle for transmission of power is 25°.
  • For greater angular operation, use double universal joint. Join two universal joints back to back and connect with a short shaft. Attach universal joints to shaft by drilling and pinning.
  • Swing Diameter is the maximum diameter over bearings, clearance must be allowed.


 MORE IMAGES 

·  Running Curves



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