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692 693
Spherical washer
d2
d1
d2
d3
h 2h 1
d2
d1
d2
d3
h 2h 1
R1-Ball
igubal® thrust
bearings
Housing pad
Technical Data
Dimensions [mm]
Spherical thrust bearing: SAM
Part No. Maximum static axial tensile strength
Maximum static axial tensile strength
Weight
short term long term
[N] [N] [g]
SAM-05 4,000 2,000 0.9SAM-06 5,000 2,500 1.1SAM-08 8,000 4,000 2.2SAM-10 10,000 5,000 3.4SAM-12 12,000 6,000 5.9SAM-16 17,000 8,500 8.5SAM-20 22,000 11,000 12.8
Part No. d1 d3 d2 h1 h2 H34) R1 Compensation anglespherical
washerhousing
padspherical washer
housing pad
total height radius
DIN 7168 DIN 7168
SAM-05 5.2 7.0 15.0 3.0 3.5 4.7 15.0 3ºSAM-06 6.2 7.5 16.0 3.0 4.0 5.3 16.0 3ºSAM-08 8.2 10.0 20.0 4.0 5.0 6.8 20.0 2ºSAM-10 10.2 12.0 24.0 4.5 5.5 7.5 24.0 2ºSAM-12 12.5 14.5 30.0 5.0 6.2 8.0 32.0 2ºSAM-16 16.5 19.0 36.0 5.5 6.5 8.7 40.0 2ºSAM-20 20.2 23.0 44.0 6.0 7.0 8.6 45.0 2º
34) In assembled condition
igubal® Spherical Thrust Bearing | Product Range
igubal® Spherical Balls
Lifetime calculation, configuration and more www.igus.eu/sam
Order key
Type Size
Typ
e
Met
ric
Inne
r-Ø
d1
[mm
]
Material:Spherical washer: iglidur® W300 page 121Housing pad: igumid G page 1235
Maintenance free, self-lubricating Corrosion-resistant High compressive strength High elasticity Light weight Different materials Spherical ball for metallic bearing housings
694 695
igubal® spherical
balls
igubal® spherical
ballsigubal® Spherical Balls | Application Examples
Every single iglidur® material has its own special properties, which determines the suitability for your special applications and requirements. Today, we offer you spherical bearings from iglidur® materials W300 (standard), J, J4, R, RN248, UW and X. The spherical ball for metallic bearing housings are available for housing numbers 203 to 210
igubal® Spherical Balls
Maintenance free, self-lubricating
Corrosion-resistant
High compressive strength
When to use it? If you need maintenance free material When dimensional series E and K components should be fitted
If different iglidur® materials should be tested
If high compressive strength is required If high elasticity is required
When not to use it? If temperatures are higher than +250 °C If dimensions above 50 mm are required If rotation speeds higher than 0.5 m/s are required
TolerancesThe tolerance of the inner diameter is E10. The shaft tolerance should be included between h6 and h9.
Typical sectors of industry and application areas
Plant design Model building Furniture/Industrial design etc.
Improve technology and reduce costs – 110 exciting examples online
www.igus.eu/igubal-applications
Drum bearing in a tumble dryer www.igus.eu/food
Carriage in a crane system www.igus.eu/design
3D-CAD files, prices and delivery time www.igus.eu/spherical-ballsLifetime calculation, configuration and more www.igus.eu/spherical-balls
Online product finder www.igus.eu/igubal-finder
Depend on material
8 typesØ 2–50 mm
Available from stock Detailed information about delivery time online
Block pricing online No minimum order value. From batch size 1
New! For metallic bearing housings
Light weight
Different materials
High elasticity
696 697
30°
dndk d1
B
30°dndk d1
B
+90º
–40º
WKM-02-04 2.00 3.90 5.10 4.00 0.1WKM-03-06 3.00 5.10 8.10 6.00 0.3WKM-05-08 5.00 7.70 11.30 8.00 0.6WKM-06-09 6.00 8.90 12.80 9.00 0.9WKM-08-12 8.00 10.30 16.00 12.00 1.6WKM-10-14 10.00 12.90 19.00 14.00 2.7WKM-12-16 12.00 15.40 22.10 16.00 4.0WKM-14-19 14.00 16.80 25.40 19.00 6.0WKM-16-21 16.00 19.30 28.40 21.00 8.2WKM-18-23 18.00 21.80 31.50 23.00 10.8WKM-20-25 20.00 24.30 35.10 25.00 14.5WKM-22-28 22.00 25.80 38.30 28.00 18.7WKM-25-31 25.00 29.50 42.90 31.00 26.0WKM-30-37 30.00 34.80 51.20 37.00 44.7
WEM-04-05 4.00 6.25 8.30 5.00 0.2WEM-05-06 5.00 8.00 10.30 6.00 0.3WEM-06-06 6.00 8.00 10.30 6.00 0.4WEM-08-08 8.00 10.00 13.30 8.00 0.7WEM-10-09 10.00 13.00 16.10 9.00 1.2WEM-12-10 12.00 15.00 18.10 10.00 1.5WEM-15-12 15.00 18.00 22.00 12.00 2.4WEM-16-13 16.00 19.50 24.10 13.00 3.3WEM-17-14 17.00 20.00 25.10 14.00 3.7WEM-20-16 20.00 24.00 29.10 16.00 5.3WEM-25-20 25.00 29.00 35.60 20.00 9.5WEM-30-22 30.00 34.00 40.90 22.00 12.1
igubal® spherical
balls
igubal® spherical
ballsigubal® | Product Overview
Part No. d1 dn dK B WeightE10 [g]
Part No. d1 dn dK B WeightE10 [g]
Standard spherical balls: WKM and WKI/WEM and WEI
Dimensions [mm] Dimensions [mm]
igubal® Spherical Balls | Product Range
standard – igubal® spherical balls iglidur® W300 page 121
low-cost – igubal® spherical balls iglidur® R page 223
WKM/WKISeries Kmetric/Inch
WEM/WEISeries Emetric/Inch
RKMSeries Kmetric
REMSeries Emetric
page 697 page 697 page 698 page 698
high temperatures – igubal® spherical balls iglidur® X page 133
low moisture absorption – igubal® spherical balls iglidur® J page 99
XKMSeries Kmetric
XEMSeries Emetric
JKMSeries Kmetric
JEMSeries Emetric
page 699 page 699 page 700-823 page 700
cost-effective – igubal® spherical balls iglidur® J4 page 1234
under water applications – igubal® spherical balls iglidur® UW page 453
clearance free – igubal® spherical balls iglidur® J4VEM page 1234
J4KMSeries Kmetric
J4EMSeries Emetric
UWEMSeries Emetric
J4VEMSeries Emetric
page 702 page 702 page 703 page 704
detectable – igubal® spherical balls iglidur® RN248 page 1237
for metallic bearing housings – igubal® spherical ballsiglidur® J
page 99iglidur® A180
page 325iglidur® A350
page 351
RN248KMSeries Kmetric
RN248EMSeries Emetric
StandardSeries Emetric
FDA-compliantSeries Emetric
FDA-compliant, high temp.Series Emetric
page 705 page 705 page 706 page 706 page 706
3D-CAD files, prices and delivery time www.igus.eu/spherical-ballsLifetime calculation, configuration and more www.igus.eu/spherical-balls
Order key
Type Size Options
Sp
heric
al b
alls
mat
eria
l ig
lidur
® W
300
Dim
enso
nal s
erie
s
Met
ric
Inne
r-Ø
d1
[mm
]
Wid
th
Dimensonal seriesK = Series KE = Series E
Inch dimensions available from page 1183
698 699
+90º
–50º –100º
+250º
30°
dndk d1
B
30°
dndk d1
B
30°dndk d1
B
30°dndk d1
B
RKM-10-14 10.00 12.90 19.00 14.00 2.9
REM-05-06 5.00 8.00 10.20 6.00 0.4REM-06-06 6.00 8.00 10.20 6.00 0.4REM-08-08 8.00 10.00 13.20 8.00 0.8REM-10-09 10.00 13.00 16.10 9.00 1.3REM-12-10 12.00 15.00 18.10 10.00 1.6
XKM-10-14 10.00 12.90 19.10 14.00 2.9
XEM-05-06 5.00 8.00 10.30 6.00 0.4XEM-06-06 6.00 8.00 10.20 6.00 0.4XEM-08-08 8.00 10.00 13.30 8.00 0.8XEM-10-09 10.00 13.00 16.10 9.00 1.3XEM-12-10 12.00 15.00 18.10 10.00 1.6
igubal® spherical
balls
igubal® spherical
balls
Part No. d1 dn dK B WeightE10 [g]
Part No. d1 dn dK B WeightE10 [g]
Part No. d1 dn dK B WeightE10 [g]
Part No. d1 dn dK B WeightE10 [g]
High temperatures spherical balls: XKM and XEM
Dimensions [mm]
Dimensions [mm]
igubal® Spherical Balls | Product Range
Low-cost spherical balls: RKM and REM
igubal® Spherical Balls | Product Range
Dimensions [mm]
Dimensions [mm]
3D-CAD files, prices and delivery time www.igus.eu/xkmLifetime calculation, configuration and more www.igus.eu/rkm
Order key
Type Size Options
Sp
heric
al b
alls
mat
eria
l ig
lidur
® R
Dim
enso
nal s
erie
s
Met
ric
Inne
r-Ø
d1
[mm
]
Wid
th
Dimensonal seriesK = Series KE = Series E
Order key
Type Size Options
Sp
heric
al b
alls
mat
eria
l ig
lidur
® X
Dim
enso
nal s
erie
s
Met
ric
Inne
r-Ø
d1
[mm
]
Wid
th
Dimensonal seriesK = Series KE = Series E
700 701
30°
dndk d1
B
30°dndk d1
B
+90º
–50º
30°
dndk d1
B
30°
dndk d1
B
+90º
–50º
+90º
–50º
JKM-03-06 3.00 5.10 8.10 6.00 0.3JKM-05-08 5.00 7.70 11.30 8.00 0.7JKM-06-09 6.00 8.90 12.80 9.00 1.0JKM-08-12 8.00 10.30 15.90 12.00 1.9JKM-10-14 10.00 12.90 19.00 14.00 3.1JKM-12-16 12.00 15.40 22.10 16.00 4.7JKM-16-21 16.00 19.30 28.40 21.00 9.4JKM-20-25 20.00 24.30 35.10 25.00 17.6JKM-25-31 25.00 29.50 42.80 31.00 31.6JKM-30-37 30.00 34.80 51.20 37.00 53.0JKM-40-49 40.00 44.50 66.30 49.00 54.5JKM-50-60 50.00 56.50 82.40 60.00 92.1
JEM-04-05 4.00 6.25 8.30 5.00 0.3JEM-05-06 5.00 8.00 10.20 6.00 0.4JEM-06-06 6.00 8.00 10.20 6.00 0.4JEM-08-08 8.00 10.00 13.30 8.00 0.8JEM-10-09 10.00 13.00 16.10 9.00 1.3JEM-12-10 12.00 15.00 18.10 10.00 1.7JEM-15-12 15.00 18.00 22.00 12.00 2.9JEM-16-13 16.00 19.50 24.10 13.00 3.9JEM-17-14 17.00 20.00 25.20 14.00 4.1JEM-20-16 20.00 24.00 29.10 16.00 6.4JEM-25-20 25.00 29.00 35.60 20.00 11.5JEM-30-22 30.00 34.00 40.90 22.00 14.5
JKM-35-4935) 35.00 44.50 66.30 49.00 75.5JKM-40-49 40.00 44.50 66.30 49.00 54.5JKM-45-6035) 45.00 56.50 82.40 60.00 125.1JKM-50-60 50.00 56.50 82.40 60.00 92.1
JKM-GT-40 40.00 44.50 66.30 49.00 54.5JKM-GT-50 50.00 56.50 82.40 60.00 92.1
igubal® spherical
balls
igubal® spherical
balls
Part No. d1 dn dK B WeightE10 [g]
Part No. d1 dn dK B WeightE10 [g]
igubal® Spherical Balls | Product Range
Low moisture absorption spherical balls: JKM and JEM
igubal® Spherical Balls | Product Range
Dimensions [mm]
Dimensions [mm]Part No. d1 dn dK B Weight
E10 [g]
Part No. d1 dn dK B WeightE10 [g]
Dimensions [mm]
Dimensions [mm]
Low moisture absorption spherical balls: JKM
Low moisture absorption spherical balls, splitted: JKM-GT
35) Diameter reduced by means of a plain bearing
3D-CAD files, prices and delivery time www.igus.eu/spherical-ballsLifetime calculation, configuration and more www.igus.eu/spherical-balls
Order key
Type Size Options
Sp
heric
al b
alls
mat
eria
l ig
lidur
® J
Dim
enso
nal s
erie
s
Met
ric
Inne
r-Ø
d1
[mm
]
Wid
th
Dimensonal seriesK = Series KE = Series E
Order key
Type Size
Sp
heric
al b
alls
mat
eria
l ig
lidur
® J
Dim
enso
nal s
erie
s K
Met
ric
Inne
r-Ø
d1
[mm
]
Wid
th
Order key
Type Version Size
Sp
heric
al b
alls
mat
eria
l ig
lidur
® J
Dim
enso
nal s
erie
s K
Met
ric
Sp
lit b
all
Inne
r-Ø
d1
[mm
]
702 703
30°
dndk d1
B
30°dndk d1
B
+90º
–50º
+100º
–50º
30°dndk d1
B
J4KM-10-14 10.00 12.90 19.10 14.00 3.1
J4EM-04-05 4.00 6.25 8.25 5.00 0.3J4EM-05-06 5.00 8.00 10.20 6.00 0.4J4EM-06-06 6.00 8.00 10.20 6.00 0.4J4EM-08-08 8.00 10.00 13.30 8.00 0.8J4EM-10-09 10.00 13.00 16.00 9.00 1.3J4EM-12-10 12.00 15.00 18.00 10.00 1.7J4EM-15-12 15.00 18.00 22.00 12.00 2.9J4EM-16-13 16.00 19.50 24.00 13.00 3.9J4EM-17-14 17.00 20.00 25.10 14.00 4.1J4EM-20-16 20.00 24.00 28.90 16.00 6.4J4EM-25-20 25.00 29.00 35.50 20.00 11.5J4EM-30-22 30.00 34.00 40.90 22.00 14.5
UWEM-16-13 16.00 19.50 23.80 13.00 4.0UWEM-20-16 20.00 24.00 28.80 16.00 6.5UWEM-25-20 25.00 29.00 35.30 20.00 11.6UWEM-30-22 30.00 34.00 40.50 22.00 15.2
igubal® spherical
balls
igubal® spherical
ballsigubal® Spherical Balls | Product Range igubal® Spherical Balls | Product Range
Part No. d1 dn dK B WeightE10 [g]
Part No. d1 dn dK B WeightE10 [g]
Cost-effective spherical balls: J4KM and J4EM
Dimensions [mm]
Dimensions [mm]
Spherical balls for under water applications: UWEM
Part No. d1 dn dK B WeightE10 [g]
Dimensions [mm]
3D-CAD files, prices and delivery time www.igus.eu/uwemLifetime calculation, configuration and more www.igus.eu/j4km
Order key
Type Size Options
Sp
heric
al b
alls
mat
eria
l ig
lidur
® J
4
Dim
enso
nal s
erie
s
Met
ric
Inne
r-Ø
d1
[mm
]
Wid
th
Dimensonal seriesK = Series KE = Series E
Order key
Type Size
Sp
heric
al b
alls
mat
eria
l ig
lidur
® U
W
Dim
enso
nal s
erie
s E
Met
ric
Inne
r-Ø
d1
[mm
]
Wid
th
704 705
0.5 (6x)
B
dkd1
+90º
–50º
30°dndk d1
B
30°
dndk d1
B
+90º
–50º
J4VEM-08-08 8 13.20 8.00 0.7J4VEM-10-09 10 16.10 9.00 1.2J4VEM-12-10 12 18.10 10.00 1.5J4VEM-16-13 16 24.10 13.00 3.7J4VEM-20-16 20 29.10 16.00 6.2
RN248KM-06-09 6.00 8.90 12.80 9.0 1.0
RN248EM-05-06 5.00 8.00 10.30 6.00 0.4RN248EM-06-06 6.00 8.00 10.20 6.00 0.4RN248EM-08-08 8.00 10.00 13.20 8.00 0.8RN248EM-10-09 10.00 13.00 16.10 9.00 1.3RN248EM-12-10 12.00 15.00 18.10 10.00 1.6
igubal® spherical
balls
igubal® spherical
ballsigubal® Spherical Balls | Product Range
Clearance free, single piece: J4VEM
igubal® Flange Bearing EFSM page 664igubal® Pivoting Bearing EGFM-T page 683igubal® Pivoting Bearing EGLM page 679igubal® Double Joint EGZM page 684
Part No. d1 dK B WeightE10 [g]
5 Sizes available: Ø 8, 10, 12, 16, 20 mm combinable with:igubal® Rod Ends EA(L)RM page 618igubal® Rod Ends EB(L)RM page 616igubal® Pillow Block Bearing ESTM page 651igubal® Flange Bearing EFOM page 662
0.5 (6x)
B
dkd1
Can be combined with all series E housings Sizes 8 to 20 mm Preloaded Totally clearance free in unloaded state
Dimensions [mm]
igubal® Spherical Balls | Product Range
Part No. d1 dn dK B WeightE10 [g]
Part No. d1 dn dK B WeightE10 [g]
Spherical balls – detectable: RN248KM and RN248EM
Dimensions [mm]
Dimensions [mm]
3D-CAD files, prices and delivery time www.igus.eu/m248kmLifetime calculation, configuration and more www.igus.eu/j4vem
Order key
Type Size
Sp
heric
al b
alls
mat
eria
l ig
lidur
® J
4
Pre
load
ed
Dim
enso
nal s
erie
s E
Met
ric
Inne
r-Ø
d1
[mm
]
Wid
th
Order key
Type Size Options
Sp
heric
al b
alls
mat
eria
l ig
lidur
® R
N24
8
Dim
enso
nal s
erie
s
Met
ric
Inne
r-Ø
d1
[mm
]
Wid
th
Dimensonal seriesK = Series KE = Series E
706 707
B
d(E
10)
D
JEM-17-17 UC203 17 47 17 10.0 7.5JEM-20-17 UC204 20 47 17 11.5 7.5JEM-25-17 UC205 25 52 17 14.5 7.5JEM-30-19 UC206 30 62 19 19.5 9.5JEM-35-20 UC207 35 72 20 24.0 10.5JEM-40-21 UC208 40 80 21 29.0 12.0JEM-45-22 UC209 45 85 22 34.0 13.0JEM-50-24 UC210 50 90 24 41.5 15.5
A180EM-17-17 UC203 17 47 17 7.5 6.0A180EM-20-17 UC204 20 47 17 9.0 6.0A180EM-25-17 UC205 25 52 17 11.5 6.0A180EM-30-19 UC206 30 62 19 15.5 7.5A180EM-35-20 UC207 35 72 20 19.0 8.5A180EM-40-21 UC208 40 80 21 23.0 9.0A180EM-45-22 UC209 45 85 22 27.0 10.0A180EM-50-24 UC210 50 90 24 33.0 12.0
A350EM-17-17 UC203 17 47 17 17.0 13.0A350EM-20-17 UC204 20 47 17 20.0 13.0A350EM-25-17 UC205 25 52 17 25.0 13.0A350EM-30-19 UC206 30 62 19 34.0 17.0A350EM-35-20 UC207 35 72 20 41.5 18.5A350EM-40-21 UC208 40 80 21 50.0 20.0
igubal® spherical
balls
igubal® detectable
Lifetime calculation, configuration and more www.igus.eu/spherical-balls
igubal® Spherical Balls | Product Range
3 different spherical ball materials available: iglidur® J, A180 and A350
Eight dimensions for housing numbers 203 to 210 Maintenance free dry-running
High strength Corrosion-resistant Dirt resistant
Slim spherical balls made of iglidur® materials for various metallic bearing housings
Part No. Housing No. d D B Max. static compressive strengthE10 radial [kN] axial [kN]
made of iglidur® J, low friction (material information from page 99)
made of iglidur® A180, FDA-compliant, allrounder (material information from page 325)
made of iglidur® A350, FDA-compliant, wear resistant (material information from page 351)
Dimensions [mm]
New in this catalogue!
iglidur® J iglidur® A180 iglidur® A350
Image exemplary
Detectable Resistant to dust and dirt Lubricant and maintenance free Vibration-dampening Light weight Corrosion-resistant