SKF - Spherical Plain Bearings and Rod Ends

Radial spherical plain bearings with an extended inner ring, steel/steel, inch sizes
d 2.75 – 6 in
B
C
b
M
a
r 2
r 1
b 1
D
d k d d 1
GEZM .. ES
GEZM .. ES-2RS
GEZM .. ES-2LS
Principal dimensions Angle of tilt 1) Basic load ratings Mass Designations
dynamic static without seals suffix for seal variants
standard heavy-duty
d D B C a a C C 0
sealed
in/mm degrees lbf/kN lb/kg –
2.75 4.3750 4.125 2.062 9 5 95 625 285 750 6.85 GEZM 212 ES -2RS -2LS
69,850 111,125 104,78 52,38 430 1 270 3,10
3 4.7500 4.500 2.250 9 5 112 500 337 500 8.80 GEZM 300 ES -2RS -2LS
76,200 120,650 114,30 57,15 500 1 500 4,00
3.25 5.1250 4.875 2.437 9 5 131 625 396 000 11.0 GEZM 304 ES -2RS -2LS
82,550 130,175 123,83 61,90 590 1 760 5,00
3.5 5.5000 5.250 2.625 9 5 153 000 459 000 14.0 GEZM 308 ES -2RS -2LS
88,900 139,700 133,35 66,68 680 2 040 6,25
3.75 5.8750 5.625 2.812 9 5 175 500 531 000 17.0 GEZM 312 ES -2RS -2LS
95,250 149,225 142,88 71,43 780 2 360 7,60
4 6.2500 6.000 3.000 9 5 202 500 596 250 20.0 GEZM 400 ES -2RS -2LS
101,600 158,750 152,40 76,20 900 2 650 9,10
4.5 7.0000 6.750 3.375 7 5 252 000 765 000 28.5 GEZM 408 ES -2RS -2LS
114,300 177,800 171,45 85,73 1 120 3 400 13,0
5 7.7500 7.500 3.750 7 5 315 000 933 750 38.5 GEZM 500 ES -2RS -2LS
127,000 196,850 190,50 95,25 1 400 4 150 17,5
6 8.7500 8.250 4.125 7 5 389 250 1 170 000 47.5 GEZM 600 ES -2RS -2LS
152,400 222,250 209,55 104,78 1 730 5 200 21,5
1) To fully utilize the angle of tilt, the shaft shoulder should not be larger than d a max .
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