Ball joint


Track rollers - Ball joint

Technical Drawing and Exploded View - Ball joint


1. Outer ring
2. Inner ring
3. Outer ring

Technical Data - Ball joint

CR rif/ref Esec. d (mm) D (mm) B (mm) C (mm) a (mm) d1 (mm) b (mm) M (mm) r1 min (mm) r2 min (mm) C (KN) Co (KN)
GE 100 FS 1 100 150 70 55 7 130 11,3 5 1 1 610 3050
GE 110 FS 1 110 160 70 55 6 140 11,5 5 1 1 655 3250
GE 120 FS 1 120 180 85 70 6 160 13,5 6 1 1 950 4750
GE 140 FS 1 140 210 90 70 7 180 13,5 6 1 1 1080 5400
GE 160 FS 1 160 230 105 80 8 200 13,5 6 1 1 1370 6800
GE 180 FS 1 180 260 105 80 6 225 13,5 6 1,1 1,1 1.530 7650
GE 200 FS 1 200 290 130 100 7 250 15,5 7 1,1 1,1 2.120 10600
GE 220 FS 1 220 320 135 100 8 275 15,5 7 1,1 1,1 2.320 11600
GE 240 FS 1 240 340 140 100 8 300 15,5 7 1,1 1,1 2.550 12700
GE 260 FS 1 260 370 150 110 7 325 15,5 7 1,1 1,1 3.050 15300
GE 280 FS 1 280 400 155 120 6 350 15,5 7 1,1 1,1 3.550 18000
GE 300 FS 1 300 430 165 120 7 375 15,5 7 1,1 1,1 3.800 19000
GEP 100 FS 2 100 150 71 67 2 135 7,4 4 1 1 600 900
GEP 110 FS 2 110 160 78 74 2 145 7,5 4 1 1 720 1080
GEP 120 FS 2 120 180 85 80 2 160 7,5 4 1 1 850 1270
GEP 140 FS 2 140 210 100 95 2 185 7,5 4 1 1 1.200 1800
GEP 160 FS 2 160 230 115 109 2 210 7,5 4 1 1 1.600 2400
GEP 180 FS 2 180 260 128 122 2 240 7,5 4 1,1 1,1 2.080 3100
GEP 200 FS 2 200 290 140 134 2 260 11,5 5 1,1 1,1 2.450 3650
GEP 220 FS 2 220 320 155 148 2 290 13,5 6 1,1 1,1 3.050 4550
GEP 240 FS 2 240 340 170 162 2 310 13,5 6 1,1 1,1 3.550 5400
GEP 260 FS 2 260 370 185 175 2 340 15,5 7 1,1 1,1 4.250 6400
GEP 280 FS 2 280 400 200 190 2 370 15,5 7 1,1 1,1 5.000 7500
GEP 300 FS 2 300 430 212 200 2 110 15,5 7 1,1 1,1 5.600 8300

C: Dynamic load  -  Co: Static load

1) Steel-to-steel ball joints

2) Maintenance-free ball joints


Technical Characteristics - Ball joint

Ball joints are made of one inner ring with spherical and convex surface, which matches with the concavity of the inner surface of the outer ring.


They are particularly used in case it is necessary to align the shaft to the housing, with low shearing speeds.


C.R. ball joints have different surface materials and can be divided into two groups:

1 - Steel-to-steel ball joints (thanks to the high resistance of the working surface, they are particularly suitable for application with alternating loads).

2 - Maintenance-free ball joints (they are generally used in working condition with high loads with constant direction, and when the lubrication system is not adequate and therefore the use of steel-to-steel ball joints is not recommended).

C.R. ball joints have the following technical characteristics:
  • Steel-to-steel ball joints are manufactured in hardened and phosphatized UNI 100 Cr6/100CrMo7 steel.
  • Contact surfaces undergo an additional special treatment, to make them completely resistant to wear.
  • They cannot be disassembled and they have a groove and a hole on both rings to favour the lubrication.
  • Ball joints with 2RS execution have double lip sliding seals on both sides.
  • Maintenance-free ball joints have the outer ring covered with a layer of special plastic material, stiffened with glass fibre, absolutely resistant to wear.
  • The outer ring is divided into two parts, which are perpendicular to the axis.
  • The inner ring is manufactured in UNI 100Cr6/100CrMo7.
  • Even though the ball joints are maintenance-free, it is possible to make an anti-corrosion lubrication.
  • C.R. ball joints are provided with groove and holes on both rings, to favour lubrication.