SPHERICAL ROLLER BEARINGS
SPHERICAL ROLLER BEARINGS – continued • Shaft and housing fits, internal clearances, tolerances and other technical data for these bearings are found in the engineering section of this catalog and the Timken Engineering Manual (order no. 10424). Bearings are available with a tapered bore for adapter-type mounting. To order, add the suffix “K” to bearing number (e.g., 23120K). Consult your Timken engineer and www.timken.com for up-to-date information about the availability of the bearings you have selected.
• •
Bearing Dimensions Bearing Part Number
Bore d
O.D. D
Load Ratings
Width Dynamic B C
Static Co
B
R Dd
da Da
Shaft da
mm in.
mm in.
kN lbf.
kN lbf.
Equivalent Radial Load Factors(2) Dynamic
Housing Da
mm in.
mm in.
mm in.
da Da
EM/YM
e mm in.
Dd
EJ
Backing Diameter Fillet(1) (Max.) R
R
R
Mounting Data Cage Type
B
R
Static
Fa Fa ≤e > e In All Fr Fr Cases X = 1 X = 0.67 Y Y Y0
Geometry Factor(3) Cg
Thermal Speed Ratings(4)
Weight
Oil
Grease
RPM
RPM
kg lbs.
23238
190 7.4803
340 120 13.3858 4.7244
1940 436000
2610 586000
EJ
3 0.12
225 8.9
311 12.2
0.32
2.1
3.12
2.05
0.1
1100
980
47.1 103.6
23238
190 7.4803
340 120 13.3858 4.7244
1940 436000
2610 586000
EMB
3 0.12
225 8.9
311 12.2
0.32
2.1
3.12
2.05
0.1
1100
980
47.1 103.6
22338
190 7.4803
400 15.748
132 5.1969
2490 559000
3010 678000
EJ
4 0.16
245 9.6
361 14.2
0.32
2.12
3.15
2.07
0.086
1200
1000
80.9 178.0
22338
190 7.4803
400 15.748
132 5.1969
2490 559000
3010 678000
EMB
4 0.16
245 9.6
361 14.2
0.32
2.12
3.15
2.07
0.086
1200
1000
80.9 178.0
23940
200 7.874
280 60 11.0236 2.3622
712 160000
1130 254000
EM
2 0.08
219 8.6
263 10.3
0.19
3.65
5.43
3.57
0.105
1900
1600
11.2 24.6
23040
200 7.874
310 82 12.2047 3.2283
1230 276000
1760 395000
EJ
2 0.08
225 8.9
289 11.4
0.23
2.95
4.4
2.89
0.095
1800
1500
22.6 49.7
23040
200 7.874
310 82 12.2047 3.2283
1230 276000
1760 395000
EM
2 0.08
225 8.9
289 11.4
0.23
2.95
4.4
2.89
0.095
1800
1500
22.6 49.7
24040
200 7.874
310 109 12.2047 4.2913
1560 351000
2460 552000
EJ
2 0.08
223 8.8
286 11.2
0.31
2.16
3.22
2.12
0.099
1300
1100
30.0 66.0
24040
200 7.874
310 109 12.2047 4.2913
1560 351000
2460 552000
EM
2 0.08
223 8.8
286 11.2
0.31
2.16
3.22
2.12
0.099
1300
1100
30.0 66.0
23140
200 7.874
340 112 13.3858 4.4094
1720 386000
2400 540000
EJ
2.5 0.1
230 9
308 12.1
0.31
2.15
3.2
2.1
0.101
1300
1200
41.1 90.4
23140
200 7.874
340 112 13.3858 4.4094
1660 373000
2290 514000
EMB
2.5 0.1
230 9
308 12.1
0.31
2.15
3.2
2.1
0.101
1300
1200
42.0 92.4
24140
200 7.874
340 140 13.3858 5.5118
2030 456000
2930 658000
EJ
2.5 0.1
226 8.9
308 12.1
0.39
1.74
2.59
1.7
0.081
850
790
51.7 113.7
24140
200 7.874
340 140 13.3858 5.5118
2030 456000
2930 658000
EMB
2.5 0.1
226 8.9
308 12.1
0.39
1.74
2.59
1.7
0.081
850
790
51.7 113.7
22240
200 7.874
360 98 14.1732 3.8583
1580 356000
2010 452000
EJ
3 0.12
236 9.3
323 12.7
0.27
2.5
3.72
2.44
0.103
1700
1500
43.6 95.9
22240
200 7.874
360 98 14.1732 3.8583
1580 356000
2010 452000
EMB
3 0.12
236 9.3
323 12.7
0.27
2.5
3.72
2.44
0.103
1700
1500
43.6 95.9
23240
200 7.874
360 128 14.1732 5.0394
2140 480000
2890 650000
EMB
3 0.12
237 9.3
329 12.9
0.33
2.06
3.06
2.01
0.104
1000
920
56.5 124.3
(1)
Maximum shaft or housing fillet radius that bearing corners will clear. These factors apply for both inch and metric calculations. See engineering section for instructions on use. (3) Geometry constant for Lubrication Life Factor a31 is found in the Bearing Ratings section of the Engineering Manual (order no. 10424). (4) See thermal speed ratings in the Engineering Manual (order no. 10424). (2)
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TIMKEN SPHERICAL ROLLER BEARING CATALOG
Continued on next page.