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NPB 08NX08 Bearing Inch Series | Prelubricated Bearing

NPB Part No.
08NX08

Specifications

Dimensional Diagram
Inch or Metric
Inch
Lubrication
Pre-lubricated
Bearing Length
1"
Nominal Bearing Bore
1/2"
Recommended Shaft Diameter
.5000 - .4990"
Recommended Housing Diameter
.6345 - .6352"
Installed Bearing Inside Diam.*  ID
.5007 - .5038"
Materials
  • Liner: Acetal resin
  • Substrate: Sintered bronze
  • Backing: Plated low-carbon steel
Loads - P
  • Dynamic loads up to 20,000 PSI
  • Static loads up to 36,000 PSI
  • Compressive yield strength of 44,000 PSI
Speed - V
  • Up to 100 FPM greased
  • Up to 500 FPM in oil
Performance - PV
  • PV to 80,000 PSI - FPM - continuous operation
Temperature Range
–40°F to +210°F intermittent to 260°F
Coefficient of Friction
  • 0.015 - 0.15 Static
  • 0.01 - 0.10 Dynamic
Shaft Finish
A surface finish of better than 16 micro inches is recommended
* When installed in a rigid steel or cast-iron housing
Lubrication Holes: Sizes 16NX and larger have a .3125 inch diameter hole; all other sizes have a .15625 inch diameter hole.
Length Tolerances: The length tolerance for all NX bearings is ±0.010 inch.

Interchange

National Precision Bearing Part No 08NX08 is an interchangable replacement for these common bearing part numbers:

Garlock Bearing
08DX08