Tapered Roller Bearings - Double Tapered Cones - Imperial On The Timken Company

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The Timken^® Syber^® Bearing System Designer Tool now features Smart Selection, enabling users to find the right bearing faster by filtering options based on target life and key dimensions.

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Analyze Bearing Performance in an Application with Timken^® Syber^® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

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Part Number	Series	d - Cone Bore	B - Double Cone Width	C1 - Dynamic Radial Rating (1 million revolutions)	C0 - Static Radial Rating	CAD
52400D	N/A 52000	N/A 4 in101.600 mm	N/A 3.1250 in79.375 mm	N/A 50200 lbf223000 N	N/A 77000 lbf343000 N	N/A
581D	N/A 575	N/A 3 3/16 in80.963 mm	N/A 3.1549 in80.134 mm	N/A 46500 lbf207000 N	N/A 65400 lbf291000 N	N/A
67388D	N/A 67300	N/A 5 in127 mm	N/A 3.6250 in92.075 mm	N/A 82600 lbf368000 N	N/A 141000 lbf625000 N	N/A
67390D	N/A 67300	N/A 5.2500 in133.350 mm	N/A 3.6250 in92.075 mm	N/A 82600 lbf368000 N	N/A 141000 lbf625000 N	N/A
67790D	N/A 67700	N/A 7 in177.800 mm	N/A 3.5625 in90.488 mm	N/A 91100 lbf405000 N	N/A 175000 lbf779000 N	N/A
67985D	N/A 67900	N/A 8.1250 in206.375 mm	N/A 3.4375 in87.313 mm	N/A 95300 lbf424000 N	N/A 197000 lbf876000 N	N/A
688TD	N/A 675	N/A 3.9453 in100.211 mm	N/A 3.7500 in95.250 mm	N/A 56200 lbf250000 N	N/A 86700 lbf386000 N	N/A
71426D	N/A 71000	N/A 4 1/4 in107.95 mm	N/A 4.0000 in101.600 mm	N/A 81700 lbf364000 N	N/A 122000 lbf543000 N	N/A
71450D	N/A 71000	N/A 4 1/2 in114.300 mm	N/A 4.0000 in101.600 mm	N/A 81700 lbf364000 N	N/A 122000 lbf543000 N	N/A
74510D	N/A 74000	N/A 5.1183 in130.005 mm	N/A 4.8750 in123.825 mm	N/A 85900 lbf382000 N	N/A 138000 lbf614000 N	N/A
74512D	N/A 74000	N/A 5.1250 in130.175 mm	N/A 4.0000 in101.600 mm	N/A 85900 lbf382000 N	N/A 138000 lbf614000 N	N/A
74555D	N/A 74000	N/A 5 1/2 in139.700 mm	N/A 4.1875 in106.363 mm	N/A 76700 lbf341000 N	N/A 127000 lbf567000 N	N/A
767D	N/A 755	N/A 3 1/2 in88.900 mm	N/A 4.2500 in107.950 mm	N/A 73600 lbf327000 N	N/A 99200 lbf441000 N	N/A
779D	N/A 775	N/A 3.8750 in98.425 mm	N/A 4.0300 in102.362 mm	N/A 77800 lbf346000 N	N/A 111000 lbf495000 N	N/A
78251D	N/A 78000	N/A 2 1/2 in63.500 mm	N/A 2.5980 in65.989 mm	N/A 38400 lbf171000 N	N/A 43400 lbf193000 N	N/A
78255D	N/A 78000	N/A 2.5586 in64.988 mm	N/A 2.5980 in65.989 mm	N/A 38400 lbf171000 N	N/A 43400 lbf193000 N	N/A
782D	N/A 775	N/A 4.1250 in104.775 mm	N/A 4.0300 in102.362 mm	N/A 77800 lbf346000 N	N/A 111000 lbf495000 N	N/A
81601D	N/A 81000	N/A 6 in152.400 mm	N/A 3.6250 in92.075 mm	N/A 90300 lbf402000 N	N/A 134000 lbf595000 N	N/A
82680D	N/A 82600	N/A 7 in177.800 mm	N/A 4.4375 in112.713 mm	N/A 120000 lbf534000 N	N/A 220000 lbf979000 N	N/A
82680DG	N/A 82600	N/A 7 in177.800 mm	N/A 4.4375 in112.713 mm	N/A 120000 lbf534000 N	N/A 220000 lbf979000 N	N/A
82681D	N/A 82600	N/A 7 in177.800 mm	N/A 4.4375 in112.713 mm	N/A 120000 lbf534000 N	N/A 220000 lbf979000 N	N/A
82681DGW	N/A 82600	N/A 7 in177.800 mm	N/A 4.4375 in112.713 mm	N/A 127000 lbf565000 N	N/A 220000 lbf979000 N	N/A
8576D	N/A 8500	N/A 9.25 in234.95 mm	N/A 3.6875 in93.663 mm	N/A 119000 lbf527000 N	N/A 240000 lbf1070000 N	N/A
8576DW	N/A 8500	N/A 9.25 in234.95 mm	N/A 3.6875 in93.663 mm	N/A 119000 lbf527000 N	N/A 240000 lbf1070000 N	N/A
868D	N/A 855	N/A 4 in101.600 mm	N/A 5.0000 in127.000 mm	N/A 103000 lbf458000 N	N/A 142000 lbf630000 N	N/A

Part Number

Series

d - Cone Bore

B - Double Cone Width

C1 - Dynamic Radial Rating (1 million revolutions)

C0 - Static Radial Rating

CAD

52400D

N/A 52000

N/A 4 in101.600 mm

N/A 3.1250 in79.375 mm

N/A 50200 lbf223000 N

N/A 77000 lbf343000 N

N/A

581D

N/A 575

N/A 3 3/16 in80.963 mm

N/A 3.1549 in80.134 mm

N/A 46500 lbf207000 N

N/A 65400 lbf291000 N

N/A

67388D

N/A 67300

N/A 5 in127 mm

N/A 3.6250 in92.075 mm

N/A 82600 lbf368000 N

N/A 141000 lbf625000 N

N/A

67390D

N/A 67300

N/A 5.2500 in133.350 mm

N/A 3.6250 in92.075 mm

N/A 82600 lbf368000 N

N/A 141000 lbf625000 N

N/A

67790D

N/A 67700

N/A 7 in177.800 mm

N/A 3.5625 in90.488 mm

N/A 91100 lbf405000 N

N/A 175000 lbf779000 N

N/A

67985D

N/A 67900

N/A 8.1250 in206.375 mm

N/A 3.4375 in87.313 mm

N/A 95300 lbf424000 N

N/A 197000 lbf876000 N

N/A

688TD

N/A 675

N/A 3.9453 in100.211 mm

N/A 3.7500 in95.250 mm

N/A 56200 lbf250000 N

N/A 86700 lbf386000 N

N/A

71426D

N/A 71000

N/A 4 1/4 in107.95 mm

N/A 4.0000 in101.600 mm

N/A 81700 lbf364000 N

N/A 122000 lbf543000 N

N/A

71450D

N/A 71000

N/A 4 1/2 in114.300 mm

N/A 4.0000 in101.600 mm

N/A 81700 lbf364000 N

N/A 122000 lbf543000 N

N/A

74510D

N/A 74000

N/A 5.1183 in130.005 mm

N/A 4.8750 in123.825 mm

N/A 85900 lbf382000 N

N/A 138000 lbf614000 N

N/A

74512D

N/A 74000

N/A 5.1250 in130.175 mm

N/A 4.0000 in101.600 mm

N/A 85900 lbf382000 N

N/A 138000 lbf614000 N

N/A

74555D

N/A 74000

N/A 5 1/2 in139.700 mm

N/A 4.1875 in106.363 mm

N/A 76700 lbf341000 N

N/A 127000 lbf567000 N

N/A

767D

N/A 755

N/A 3 1/2 in88.900 mm

N/A 4.2500 in107.950 mm

N/A 73600 lbf327000 N

N/A 99200 lbf441000 N

N/A

779D

N/A 775

N/A 3.8750 in98.425 mm

N/A 4.0300 in102.362 mm

N/A 77800 lbf346000 N

N/A 111000 lbf495000 N

N/A

78251D

N/A 78000

N/A 2 1/2 in63.500 mm

N/A 2.5980 in65.989 mm

N/A 38400 lbf171000 N

N/A 43400 lbf193000 N

N/A

78255D

N/A 78000

N/A 2.5586 in64.988 mm

N/A 2.5980 in65.989 mm

N/A 38400 lbf171000 N

N/A 43400 lbf193000 N

N/A

782D

N/A 775

N/A 4.1250 in104.775 mm

N/A 4.0300 in102.362 mm

N/A 77800 lbf346000 N

N/A 111000 lbf495000 N

N/A

81601D

N/A 81000

N/A 6 in152.400 mm

N/A 3.6250 in92.075 mm

N/A 90300 lbf402000 N

N/A 134000 lbf595000 N

N/A

82680D

N/A 82600

N/A 7 in177.800 mm

N/A 4.4375 in112.713 mm

N/A 120000 lbf534000 N

N/A 220000 lbf979000 N

N/A

82680DG

N/A 82600

N/A 7 in177.800 mm

N/A 4.4375 in112.713 mm

N/A 120000 lbf534000 N

N/A 220000 lbf979000 N

N/A

82681D

N/A 82600

N/A 7 in177.800 mm

N/A 4.4375 in112.713 mm

N/A 120000 lbf534000 N

N/A 220000 lbf979000 N

N/A

82681DGW

N/A 82600

N/A 7 in177.800 mm

N/A 4.4375 in112.713 mm

N/A 127000 lbf565000 N

N/A 220000 lbf979000 N

N/A

8576D

N/A 8500

N/A 9.25 in234.95 mm

N/A 3.6875 in93.663 mm

N/A 119000 lbf527000 N

N/A 240000 lbf1070000 N

N/A

8576DW

N/A 8500

N/A 9.25 in234.95 mm

N/A 3.6875 in93.663 mm

N/A 119000 lbf527000 N

N/A 240000 lbf1070000 N

N/A

868D

N/A 855

N/A 4 in101.600 mm

N/A 5.0000 in127.000 mm

N/A 103000 lbf458000 N

N/A 142000 lbf630000 N

N/A

Required Fields ^*

Email ^*
First Name ^*
Last Name ^*
Company ^*
Department ^*
Country ^*
Zip/Postal Code ^*
Phone Number

No Preference
07000
113000
126000
127000
128000
129000
13000
130000
132000
134000
135000
138000
14000
160000
17000
170000
19000
217000
220000
230000
234000
243000
275000
280000
290000
325000
329000
355
375
385
395
39500
42000
420000
433000
430000
435000
450000
46700
480000
475
48200
48300
495
52000
529000
526000
575
67300
675
67700
67900
700000
71000
722000
724000
738000
74000
755
775
78000
790000
821000
81000
823000
833000
822000
82600
8500
855
8900
89000
91000
920000
93000
935
94000
940000
95000
96000
97000
99000
H228600
H244800
H239600
H242600
H247500
H432500
HH224300
HH255100
HH231600
HH234000
HH249900
HH258200
HM237500
HM252300
HM256800
HM259000
HM261000
HM262700
HM265000
HM266400
HM959700
L217800
L281100
L540000
LM121900
LM119300
LM124400
LM245100
LM247700
LM258600
LM263100
LM278800
LM282500
LM272200
LM287600
LM451300
LM654600
LM665900
LM761600
LM767700
LM742700
LM772700
M224700
M231600
M238800
M244200
M257100
M257200
M249700
M252300
M260100
M262400
M255400
M268700
M270700
M272700
M282200
M278700
M652900
M667900
M757400

No Preference
1
1 3/16
1 1/4
1 7/16
1 1/2
1 11/16
1 3/4
1.8125
1 7/8
1 15/16
2
2 3/16
2 7/16
2 1/2
2.5586
2.8375
3 3/16
3.3750
3 1/2
3.6250
3.9453
3 3/4
3.8750
4
4.1250
4 1/4
4 1/2
4.7500
5.1183
5
5.1250
5.2500
5.3750
5 1/2
5.8750
6
6.1250
6.25
6 1/2
6.8750
7
7.8730
7.3750
8.0060
7.5
7.7500
8.6250
8
8.1250
8 1/2
8.6875
9.4970
9.5070
8.875
9
9.8750
9.25
9 1/2
9.6250
9.7500
11.0070
10
10.2500
10 1/2
11.9940
10.6250
10.7500
10.875
12.0040
12.0079
11
12.0092
12.0093
12.0140
11.0236
11.2500
11.3750
11 1/2
11.7500
11.8100
11.8125
11.9375
12
13.0040
13.5060
13.6875
12.5000
14.0310
13.0000
13.1250
13.4375
13.6250
14
14.5000
14.7500
15.1250
15.1875
15.5
16.0000
16.1250
16.3750
17.6250
18.0000
23.0625
18.8750
19.0000
19.2530
27.8750
22.5000
26.8750
26.0000
36.9375
29.5000
30.0000

No Preference
25.40
30.163
31.75
36.513
38.10
42.863
44.45
46.038
47.625
49.213
50.80
55.563
61.913
63.500
64.988
72.073
80.963
85.725
88.900
92.075
95.250
98.425
100.211
101.600
104.775
107.95
114.300
120.650
130.005
127
130.175
133.350
136.525
139.700
149.225
152.400
155.575
158.750
165.1
174.625
177.800
187.325
199.974
190.5
196.850
203.352
203.2
219.075
206.375
215.900
220.663
225.425
228.600
241.224
234.95
241.478
250.825
241.300
244.475
247.650
254
260.350
279.578
266.7
269.875
273.050
276.225
279.4
279.999
285.750
288.925
303.213
292.100
304.648
298.450
304.902
299.974
305.001
300.038
305.034
305.036
305.156
304.8
317.500
330.302
341.313
343.052
330.200
347.663
333.375
356.387
346.075
355.6
368.3
374.650
384.175
385.763
393.7
406.400
409.575
415.925
447.675
457.200
479.425
482.600
489.026
585.788
571.500
682.625
660.400
708.025
749.3
762.000
938.213

No Preference
6180
6540
9720
11400
12300
18400
19800
20500
20800
21000
22200
30500
31400
34700
36600
37500
37800
38400
46500
47000
47400
50200
54900
56200
60200
63600
68200
73600
76700
77800
81700
82600
84500
84600
85900
90300
91100
95300
96300
96600
103000
104000
110000
119000
120000
121000
123000
126000
127000
129000
136000
141000
142000
145000
148000
153000
156000
158000
161000
162000
164000
165000
171000
179000
185000
186000
194000
196000
197000
198000
199000
201000
204000
206000
208000
212000
222000
224000
236000
243000
244000
247000
248000
250000
251000
253000
257000
258000
259000
264000
267000
269000
275000
281000
287000
292000
295000
304000
305000
317000
319000
321000
322000
325000
330000
337000
338000
339000
342000
347000
348000
349000
352000
360000
362000
363000
366000
377000
379000
380000
388000
399000
418000
420000
442000
511000
519000
553000
588000
615000
642000
645000
693000
695000
736000
740000
839000
1020000
1040000
1390000
1400000
1600000
1670000
2050000

No Preference
27500
29100
43200
50700
50800
54600
81800
87900
91000
92600
93400
98900
135000
140000
154000
163000
167000
168000
171000
207000
209000
211000
223000
244000
250000
268000
283000
303000
327000
341000
346000
364000
368000
376000
377000
382000
402000
405000
424000
428000
430000
458000
463000
490000
527000
528000
534000
539000
548000
560000
565000
567000
572000
603000
629000
632000
647000
660000
679000
680000
695000
701000
715000
722000
731000
734000
759000
796000
797000
824000
828000
864000
873000
876000
883000
887000
896000
907000
914000
915000
924000
941000
986000
994000
1050000
1080000
1090000
1100000
1110000
1120000
1140000
1150000
1180000
1190000
1200000
1220000
1250000
1270000
1300000
1310000
1350000
1360000
1410000
1420000
1430000
1450000
1470000
1500000
1510000
1520000
1540000
1550000
1570000
1600000
1610000
1630000
1680000
1690000
1730000
1770000
1860000
1870000
1960000
2270000
2310000
2460000
2620000
2730000
2860000
2870000
3080000
3090000
3280000
3290000
3730000
4530000
4630000
6190000
6240000
7120000
7440000
9120000

Series

Bore Size (in)

Bore Size (mm)

C1 - Dynamic Radial Rating (1 million revolutions) (lbf)

C1 - Dynamic Radial Rating (1 million revolutions) (N)

Part Number

Series

d - Cone Bore

B - Double Cone Width

C1 - Dynamic Radial Rating (1 million revolutions)

C0 - Static Radial Rating

CAD