Spherical Plain Bearings
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NPB GE4E Bearing Load Series Metric | Standard Duty Unsealed Spherical Plain Bearing

NPB Part No.


Standard Duty Unsealed Spherical Plain Bearing Dimensional Diagram
*Stainless option is available in most sizes.
Ball Bore Diameter
4 mm ±.008
Outside Diameter 1
12 mm ±.008
Ball Width
5 mm ±.120
Race Width
3 mm ±.240
Ball Diameter Ref
8 mm
Tilt Angle 2
16 deg
Shoulder Diameter Ref
5.5 mm
Shaft Fillet Max
.3 mm
Housing Fillet Max
.3 mm
Static Radial Load 3
2,296 Lbf
Dynamic Radial Load 3
458 Lbf
  1. 1 All tolerances in this catalog are before the outer races are fractured and before application of dry film lubricant
  2. 2 Seals may reduce tilt angle
  3. 3 Ultimate loads for the bearings in this catalog are approximately 1.5 times the catalog load ratings


National Precision Bearing Part No GE4E is an interchangable replacement for these common bearing part numbers:

SKF Bearing