Spherical Plain Bearings
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NPB GEZ31ES Bearing Load Series Inch | Standard Duty Unsealed Spherical Plain Bearing

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NPB Part No.
GEZ31ES

Specifications

Standard Duty Unsealed Spherical Plain Bearing Dimensional Diagram
*Stainless option is available in most sizes.
Sealed
No
Ball Bore Diameter
1 1/4" [1.250"] ±0.0005
Outside Diameter 1
2.0000" ±0.0005
Ball Width
1.093" ±0.005
Race Width
.937" ±0.005
Ball Diameter Ref
1.795"
Tilt Angle 2
6 deg
Shoulder Diameter Ref
1.370"
Shaft Fillet Max
.023"
Housing Fillet Max
.039"
Static Radial Load 3
58,507 Lbf
Dynamic Radial Load 3
19,468 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 GEZ31ES is an interchangable replacement for these common bearing part numbers:

SKF Bearing
GEZ104ES
R.B.C. Bearing
B20L
TORRINGTON Bearing
12SF20
INA Bearing
GE31ZO
IKO Bearing
SBB 20