Spherical Plain Bearings: Inch Series

LOAD SERIES
Heavy Duty Inch
Unsealed & Sealed

LOAD SERIES HEAVY DUTY INCH UNSEALED & SEALED
Ball Bore
Diam.
B		 Part No
RFQ per item		 Outside
Diam (1)
D		 Ball
Width
W		 Race
Width
T		 Ball
Diam
BD		 Tilt
Angle (2)
 Shldr
Diam
O		 Shaft
Fillet
C1		 Hsng
Fillet
C2		 Radial
Loads (3)
Frac Nom Tol Without
Seals		 With
Seals
add:		 Nom Tol Nom Tol Nom Tol Ref Deg Ref Max Max Static Dyn
1 1/4 1.2500 -.0005 GEGZ31ES -2RS 2.4375 -.0006 1.390 -.005 1.125 -.005 2.155 8 1.425 .039 .039 84,377 28,127
1 1/2 1.5000 -.0005 GEGZ38ES -2RS 2.8125 -.0006 1.580 -.005 1.312 -.005 2.515 7 1.685 .039 .039 114,755 38,257
1 3/4 1.7500 -.0005 GEGZ44ES -2RS 3.1875 -.0006 1.820 -.005 1.500 -.005 2.875 7 2.004 .059 .039 150,758 50,406
2 2.0000 -.0005 GEGZ50ES -2RS 3.5625 -.0008 2.070 -.005 1.687 -.005 3.235 8 2.264 .059 .039 191,259 63,003
2 1/4 2.2500 -.0006 GEGZ57ES -2RS 3.9375 -.0008 2.318 -.005 1.875 -.005 3.590 8 2.524 .059 .039 234,005 77,628
2 1/2 2.5000 -.0006 GEGZ63ES -2RS 4.3750 -.0008 2.545 -.005 2.062 -.005 3.950 8 2.835 .079 .039 285,759 95,626
2 3/4 2.7500 -.0006 GEGZ69ES -2RS 4.7500 -.0008 2.790 -.005 2.250 -.005 4.312 8 3.094 .079 .039 337,501 112,507
3 3.0000 -.0006 GEGZ76ES -2RS 5.1250 -.0010 3.022 -.005 2.437 -.005 4.675 8 3.350 .079 .039 396,003 131,628
3 1/4 3.2500 -.0008 GEGZ82ES -2RS 5.5000 -.0010 3.265 -.005 2.625 -.005 5.040 9 3.650 .079 .039 459,006 153,005
3 1/2 3.5000 -.0008 GEGZ88ES -2RS 5.8750 -.0010 3.560 -.005 2.812 -.005 5.390 9 3.909 .079 .039 531,009 175,501
3 3/4 3.7500 -.0008 GEGZ95ES -2RS 6.2500 -.0010 3.738 -.005 3.000 -.005 5.750 9 4.165 .079 .039 596,253 202,501
4 4.0000 -.0008 GEGZ101ES -2RS 7.0000 -.0010 4.225 -.005 3.375 -.005 6.475 9 4.449 .079 .043 765,004 252,005
4 1/2 4.5000 -.0008 GEGZ114ES -2RS 7.7500 -.0012 4.690 -.005 3.750 -.005 7.190 9 4.961 .079 .043 933,759 315,003
5 5.5000 -.0010 GEGZ127ES -2RS 8.7500 -.0012 4.950 -.005 4.125 -.005 8.156 7 5.984 .079 .043 1,170,005 389,259
Frac Nom Tol Without
Seals		 With
Seals
add		 Nom Tol Nom Tol Nom Tol Ref Deg Ref Max Max Static Dyn
Ball Bore
Diam.
B		 Part No
RFQ per item		 Outside
Diam (1)
D		 Ball
Width
W		 Race
Width
T		 Ball
Diam
BD		 Tilt
Angle (2)
 Shldr
Diam
O		 Shaft
Fillet
C1		 Hsng
Fillet
C2		 Radial
Loads (3)
  • (1) All tolerances in this catalog are before the outer races are fractured and before application of dry film lubricant
  • (2) Seals may reduce tilt angle
  • (3) Ultimate loads for the bearings in this catalog are approximately 1.5 times the catalog load ratings
GENERAL SERIES INTERCHANGE • HEAVY DUTY INCH UNSEALED & SEALED
LOAD SERIES INCH NATIONAL R.B.C. SKF TORRINGTON INA IKO
Heavy Duty Unsealed GEGZ ( ) ES BH ( ) -L GEZH ( ) ES ( ) SFH ( ) – –
Sealed GEGZ ( ) ES-2RS BH ( ) -LSS GEZH ( ) ES-2RS ( ) SFH ( ) -TT – –

• For numeric bore size conversion between manufacturers see numerical interchange table.