Spherical Plain Bearings
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NPB GEWZ57ES Bearing Load Series Inch | Standard Duty Extended Inner Race Unsealed Spherical Plain Bearing

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NPB Part No.
GEWZ57ES

Specifications

Standard Duty Extended Inner Race Unsealed Spherical Plain Bearing Dimensional Diagram
*Stainless option is available in most sizes.
Sealed
No
Ball Bore Diameter
2 1/4" [2.250"] ±.0006
Outside Diameter 1
3.5625" ±.0008
Ball Width
3.375" ±.010
Race Width
1.687" ±.005
Ball Diameter Ref
3.235"
Tilt Angle 2
9 deg
Shoulder Diameter Ref
2.760"
Shaft Fillet Max
.039"
Housing Fillet Max
.039"
Static Radial Load 3
191,251 Lbf
Dynamic Radial Load 3
63,005 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 GEWZ57ES is an interchangable replacement for these common bearing part numbers:

SKF Bearing
GEZM204ES
R.B.C. Bearing
B36EL