Spherical Plain Bearings
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NPB GEZ63ES Bearing Load Series Inch | Standard Duty Unsealed Spherical Plain Bearing

NPB Part No.
GEZ63ES

Specifications

Standard Duty Unsealed Spherical Plain Bearing Dimensional Diagram
*Stainless option is available in most sizes.
Sealed
No
Ball Bore Diameter
2 1/2" [2.500"] ±0.0006
Outside Diameter 1
3.9375" ±0.0008
Ball Width
2.187" ±0.005
Race Width
1.875" ±0.005
Ball Diameter Ref
3.590"
Tilt Angle 2
6 deg
Shoulder Diameter Ref
2.689"
Shaft Fillet Max
.023"
Housing Fillet Max
.039"
Static Radial Load 3
234,007 Lbf
Dynamic Radial Load 3
77,629 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

Interchange

National Precision Bearing Part No GEZ63ES is an interchangable replacement for these common bearing part numbers:

SKF Bearing
GEZ208ES
R.B.C. Bearing
B40L
TORRINGTON Bearing
25SF40
INA Bearing
GE63ZO
IKO Bearing
SBB 40