Ball Bearing Type, Sizes & Dimensions Complete Guide: Choosing the Right Fit for Your Application

Choosing the right ball bearing size and dimensions is crucial for ensuring your machinery's efficiency, durability, and performance. 

Bearings are vital in reducing friction, supporting loads, and enabling smooth motion in various applications—from industrial equipment to automotive systems and household appliances. Selecting the wrong size or type can lead to premature wear, mechanical failures, and increased maintenance costs. By understanding ball bearing dimensions, load ratings, and compatibility with your application, you can optimize performance, enhance reliability, and extend the lifespan of your equipment. This guide will help you navigate the key factors to consider when selecting the right ball bearing for your needs.

Table of Content:

• 7 Types of Ball Bearing
• 6000 Metric Series
• 6200 Metric Series
• 6300 Metric Series
• 6700 Metric Series
• 6800 Metric Series
• 6900 Metric Series
• 600 Metric Series
• 600 Metric Series (Flanged)
• MR Metric Series
• 16000 Metric Series
• 60/22 - 63/22 Metric Series
• 62000 Metric Series
• 5200 Metric Series
• 5300 Metric Series
• R Inch Metric Series
• 1600 Inch Series

7 Types of Ball Bearing:

Ball bearings come in several types, each designed for specific applications and load conditions. Here are the main types of ball bearings:

1. Deep Groove Ball Bearings – The most common type, suitable for radial and axial loads. Used in electric motors, pumps, and gearboxes.
2. Angular Contact Ball Bearings – Designed to handle combined radial and axial loads with high-speed capability. Common in machine tools and automotive applications.
3. Self-Aligning Ball Bearings – Can accommodate misalignment and shaft deflection, ideal for applications where alignment is difficult, like conveyor systems.
4. Thrust Ball Bearings – Designed for axial loads only, used in applications like turntables and automotive steering systems.
5. Four-Point Contact Ball Bearings – A special type of angular contact bearing that handles axial loads in both directions, often found in robotics and aerospace applications.
6. Miniature Ball Bearings – Small-sized bearings used in precision applications like medical devices and instruments.
7. Max-Type Ball Bearings – Designed for high-load applications with extra balls in the raceway for increased capacity.

Ball Bearing Sizes and Dimensions:

6000 Metric Series 

Download file- pdf

Inner Dimension = Boundary dimensions (mm)
Outer Dimension = Boundary dimensions (mm)
Width = Boundary dimensions (mm)
Dynamic(Cr) = Basic load ratings (Lbf)
Static(Cor) = Basic load ratings (Lbf)

Size	Inner Dimension	Outer Dimension	Width	Dynamic(Cr)	Static(Cor)	Weight(lb)
6000	10	26	8	1030	445	0.042
6001	12	28	8	1147	535	0.048
6002	15	32	9	1254	641	0.068
6003	17	35	10	1349	731	0.088
6004	20	42	12	2109	1129	0.150
6005	25	47	12	2248	1315	0.172
6006	30	55	13	2967	1866	0.242
6007	35	62	14	3642	2360	.0326
6008	40	68	15	3867	2653	0.407
6009	45	75	16	4721	3327	0.506
6010	50	80	16	4946	3642	.0568
6011	55	90	18	6789	4901	.0796
6012	60	95	18	7081	5440	.0847
6013	65	100	18	6857	5665	0.957
6014	70	110	20	8565	6947	1.324
6015	75	115	20	8902	7531	1.404
6016	80	125	22	10701	8947	1.870
6017	85	130	22	11128	9689	1.958
6018	90	140	24	13084	11173	2.552
6019	95	145	24	13578	12117	2.662
6020	100	150	24	13533	12185	2.750
6021	105	160	26	16254	14792	3.498
6022	110	170	28	18434	16411	4.312
6024	120	180	28	18659	17535	4.796
6026	130	200	33	23380	22481	7.326
6028	140	210	33	24279	24279	7.832
6030	150	225	35	27427	28101	9.636

6200 Metric Series 

Download file-pdf

Inner Dimension = Boundary dimensions (mm)
Outer Dimension = Boundary dimensions (mm)
Width = Boundary dimensions (mm)
Dynamic(Cr) = Basic load ratings (Lbf)
Static(Cor) = Basic load ratings (Lbf)

Size	Inner Dimension	Outer Dimension	Width	Dynamic(Cr)	Static(Cor)	Weight(lb)
6200	10	30	9	1147	535	0.070
6201	12	32	10	1533	686	0.077
6202	15	35	11	1720	836	0.099
6203	17	40	12	2154	1075	0.141
6204	20	47	14	2878	1495	0.227
6205	25	52	15	3147	1771	0.279
6206	30	62	16	4384	2585	0.440
6207	35	72	17	5733	3417	0.634
6208	40	80	15	6632	4047	0.810
6209	45	85	19	7081	4609	0.915
6210	50	90	20	7868	5216	1.019
6211	55	100	21	9757	6609	1.335
6212	60	110	22	11780	8138	1.723
6213	65	120	23	12859	9015	2.178
6214	70	125	24	13983	9914	2.354
6215	75	130	25	15152	10858	2.596
6216	80	140	26	16344	11915	3.080
6217	85	150	28	18884	13916	3.938
6218	90	160	30	21604	16074	4.730
6219	95	170	32	24504	18412	5.764
6220	100	180	34	27427	20930	6.908
6221	105	190	36	29899	23605	8.140
6222	110	200	38	32372	26303	9.592
6224	120	215	40	32822	27427	12.386
6226	130	230	40	37318	32822	13.728
6228	140	250	42	39566	37318	17.754
6230	150	270	45	39566	38217	22.660

6300 Metric Series 

Download file - pdf

Inner Dimension = Boundary dimensions (mm)
Outer Dimension = Boundary dimensions (mm)
Width = Boundary dimensions (mm)
Dynamic(Cr) = Basic load ratings (Lbf)
Static(Cor) = Basic load ratings (Lbf)

Size	Inner Dimension	Outer Dimension	Width	Dynamic(Cr)	Static(Cor)	Weight(lb)
6300	10	35	11	1720	782	0.12
6301	12	37	12	2185	1142	0.13
6302	15	42	13	2585	1218	0.18
6303	17	47	14	3035	1479	0.24
6304	20	52	15	3552	1771	0.31
6305	25	62	17	4991	2585	0.48
6306	30	72	19	6070	3417	0.77
6307	35	80	21	7464	4316	1.00
6308	40	90	23	9172	5395	1.41
6309	45	100	25	11870	7149	1.92
6310	50	110	27	13938	8610	2.35
6311	55	120	29	16096	10116	3.01
6312	60	130	31	18412	11735	3.74
6313	65	140	33	20840	13466	4.58
6314	70	150	35	23380	15322	5.54
6315	75	160	37	25403	17355	6.64
6316	80	170	39	27651	19491	7.90
6317	85	180	41	29899	21761	9.31
6318	90	190	43	32148	24054	10.80
6319	95	200	45	34396	26752	12.47
6320	100	215	47	38892	31698	15.40
6321	105	225	49	41365	34396	17.71
6322	110	240	50	46086	40465	20.99
6324	120	260	55	47659	42714	28.16
6326	130	280	58	51256	48559	40.26
6328	140	300	62	57326	55078	49.06
6330	150	320	65	64070	67442	58.74

6700 Metric Series 

Download File - pdf

Inner Dimension = Boundary dimensions (mm)
Outer Dimension = Boundary dimensions (mm)
Width = Boundary dimensions (mm)
Dynamic(Cr) = Basic load ratings (Lbf)
Static(Cor) = Basic load ratings (Lbf)

Size	Inner Dimension	Outer Dimension	Width	Dynamic(Cr)	Static(Cor)	Weight(lb)
6701	12	18	4	205	119	0.004
6702	15	21	4	191	110	0.005
6703	17	23	4	216	137	0.006
6704	20	27	4	232	162	0.010
6705	25	32	4	246	187	0.015
6706	30	37	4	263	220	0.018
6707	35	44	5	416	366	0.021

6800 Metric Series 

Download file -pdf

Inner Dimension = Boundary dimensions (mm)
Outer Dimension = Boundary dimensions (mm)
Width = Boundary dimensions (mm)
Dynamic(Cr) = Basic load ratings (Lbf)
Static(Cor) = Basic load ratings (Lbf)

Size	Inner Dimension	Outer Dimension	Width	Dynamic(Cr)	Static(Cor)	Weight(lb)
6800	10	19	5	411	208	0.011
6801	12	21	5	432	234	0.0132
6802	15	24	5	468	286	0.0154
6803	17	26	5	632	387	0.0176
6804	20	32	7	899	555	0.0418
6805	25	37	7	967	663	0.0484
6806	30	42	7	1057	821	0.0572
6807	35	47	7	1102	910	0.0638
6808	40	52	7	1113	944	0.0726
6809	45	58	7	1394	1214	0.088
6810	50	65	7	1484	1371	0.1144
6811	55	72	9	1978	1821	0.1826
6812	60	78	10	2585	2383	0.2288
6813	65	85	10	2675	2585	0.2772
6814	70	90	10	2720	2675	0.2948
6815	75	95	10	2810	2900	0.3124
6816	80	100	10	2855	2990	0.33
6817	85	110	13	4204	4271	0.5852
6818	90	115	13	4271	4429	0.6138
6819	95	120	13	4339	4429	1.551
6820	100	125	13	4406	4766	0.6798
6821	105	130	13	4451	5373	0.7128
6822	110	140	16	6317	6902	1.3332
6824	120	150	16	6519	7419	1.441
6826	130	165	18	8295	9262	2.0658
6828	140	175	18	8588	9981	2.2
6830	150	190	20	10746	12342	3.08

6900 Metric Series 

Download file - pdf

Inner Dimension = Boundary dimensions (mm)
Outer Dimension = Boundary dimensions (mm)
Width = Boundary dimensions (mm)
Dynamic(Cr) = Basic load ratings (Lbf)
Static(Cor) = Basic load ratings (Lbf)

Size	Inner Dimension	Outer Dimension	Width	Dynamic(Cr)	Static(Cor)	Weight(lb)
6900	10	22	6	652	326	0.010
6901	12	24	6	967	506	0.011
6902	15	28	7	1034	573	0.017
6903	17	30	7	1428	832	0.018
6904	20	37	9	1574	1023	0.036
6905	25	42	9	1630	1124	0.041
6906	30	47	9	2450	1742	0.045
6907	35	55	10	3080	2237	0.073
6908	40	62	12	3170	2450	0.112
6909	45	68	12	3260	2630	0.132
6910	50	72	12	3732	3170	0.133
6911	55	80	13	4541	3889	0.185
6912	60	85	13	3912	3619	0.104
6913	65	90	13	5328	4766	0.211
6914	70	100	16	5485	5081	0.342
6915	75	105	16	5620	5395	0.363
6916	80	110	16	7171	6654	0.382
6917	85	120	18	7374	7104	0.535
6918	90	125	18	7576	7531	0.565
6919	95	130	18	10116	9419	0.705
6920	100	140	20	10454	10071	0.960
6921	105	145	20	10768	10746	1.000
6922	110	150	20	12859	12792	1.040
6924	120	165	22	15647	15737	1.410
6926	130	180	24	16029	16816	1.860
6928	140	190	24	20997	21199	1.980
6930	150	210	28	21000	326	3.050

600 Metric Series 

Download file -pdf

Inner Dimension = Boundary dimensions (mm)
Outer Dimension = Boundary dimensions (mm)
Width OPEN = Boundary dimensions (mm)
Width ZZ/2RS = Boundary dimensions (mm)
Dynamic(Cr) = Basic load ratings (Lbf)
Static(Cor) = Basic load ratings (Lbf)

Size	Inner Dimension	Outer Dimension	Width OPEN	Width ZZ/2RS	Dynamic(Cr)	Static(Cor)	Weight(lb)
603	3	9	3	5	128.15	35.97	0.00198
604	4	12	4	4	218.06	80.93	0.00462
605	5	14	5	5	292.25	110.16	0.0077
606	6	17	6	6	508.07	166.36	0.01276
607	7	19	6	6	526.05	200.08	0.01672
608	8	22	7	7	7410.87	303.49	0.0264
609	9	24	7	7	764.35	325.97	0.0352
623	3	10	4	4	143.88	49.46	0.0044
624	4	13	5	5	294.50	110.16	0.0066
625	5	16	5	5	395.66	152.87	0.0088
626	6	19	6	6	526.05	198.96	0.0176
627	7	22	7	7	753.11	314.73	0.0308
628	8	24	8	8	899.23	357.44	0.0352
629	9	26	8	8	1022.88	438.38	0.0418
633	3	13	5	5	292.55	110.16	0.0066
634	4	16	5	5	395.66	152.87	0.011
635	5	19	6	6	526.05	198.96	0.0176
636	6	22	7	7	741.87	303.49	0.0286
637	7	26	9	9	910.47	364.19	0.0528
638	8	28	9	9	1022.88	438.38	0.0638
639	9	30	10	10	1146.52	537.29	0.077
673	3	6	2	2.5	54.40	21.13	0.00044
674	4	7	2	2.5	60.47	38.22	0.000616
675	5	8	2	2.5	65.64	31.92	0.000704
676	6	10	2.5	3	119.15	53.95	0.00143
677	7	11	2.5	3	124.77	60.47	0.001474
678	8	12	2.5	3.5	129.26	66.99	0.00165
683	3	7	2	3	81.52	26.44	0.000726
684	4	9	2.5	4	136.59	48.47	0.001386
685	5	11	3	5	138.80	57.28	0.00242
686	6	13	3.5	5	231.33	88.12	0.00418
687	7	14	3.5	5	251.16	114.65	0.00462
688	8	16	4	5	283.26	132.64	0.00682
689	9	17	4	5	298.99	149.50	0.00704
693	3	8	3	4	125.89	42.71	0.001342
694	4	11	4	4	215.82	76.43	0.00374
695	5	13	4	4	296.75	110.16	0.00528
696	6	15	5	5	393.41	150.62	0.00858
697	7	17	5	5	359.69	159.61	0.01166
698	8	19	6	6	386.67	188.84	0.01584
699	9	20	6	6	550.78	236.05	0.0187

600 Metric Series (Flanged)

Download File - pdf

Inner Dimension = Boundary dimensions (mm)
Outer Dimension = Boundary dimensions (mm)
Width OPEN = Boundary dimensions (mm)
Width ZZ/2RS = Boundary dimensions (mm)
Dynamic(Cr) = Basic load ratings (Lbf)
Static(Cor) = Basic load ratings (Lbf)

Size	Inner Dimension	Outer Dimension	Width OPEN	Width ZZ/2RS	Dynamic(Cr)	Static(Cor)	Weight(lb)
F603	3	9	3	5	42.71	49.46	0.0022
F604	4	12	4	4	220.31	83.18	0.0055
F605	5	14	5	5	229.30	110.16	0.00858
F606	6	17	6	6	519.31	193.33	0.0143
F607	7	19	6	6	629.46	229.30	0.01914
F608	8	22	7	7	696.90	269.77	0.02948
F623	3	10	4	4	146.13	51.71	0.00407
F624	4	13	5	5	301.24	112.40	0.00748
F625	5	16	5	5	301.24	150.62	0.01188
F626	6	19	6	6	645.20	245.04	0.0198
F627	7	22	7	7	674.42	247.29	0.03124
F634	4	16	5	5	397.91	155.12	0.01254
F635	5	19	6	6	409.15	206.82	0.0209
F683	3	7	2	3	53.95	22.48	0.000814
F684	4	9	2.5	4	11.16	49.46	0.00154
F685	5	11	3	5	164.11	60.70	0.00286
F686	6	13	3.5	5	247.29	101.16	0.00506
F687	7	14	3.5	5	269.77	119.15	0.0055
F688	8	16	4	5	269.77	134.88	0.00814
F689	9	17	4	5	368.69	164.11	0.00858
F693	3	8	3	4	101.16	47.21	0.00154
F694	4	11	4	4	164.11	65.19	0.00418
F695	5	13	4	4	26.78	96.67	0.00616
F696	6	15	5	5	397.91	155.12	0.00946
F697	7	17	5	5	368.69	164.11	0.01232
F698	8	19	6	6	512.56	209.07	0.01826
F699	9	20	6	6	393.41	179.85	0.0209

MR Metric Series 

Download file -pdf

Inner Dimension = Boundary dimensions (mm)
Outer Dimension = Boundary dimensions (mm)
Width OPEN = Boundary dimensions (mm)
Width ZZ/2RS = Boundary dimensions (mm)
Dynamic(Cr) = Basic load ratings (Lbf)
Static(Cor) = Basic load ratings (Lbf)

Size	Inner Dimension	Outer Dimension	Width OPEN	Width ZZ/2RS	Dynamic(Cr)	Static(Cor)	Weight(lb)
MR104	4	10	3	4	131.51	45.86	0.00209
MR105	5	10	3	4	96.67	37.77	0.00209
MR106	6	10	2.5	3	111.28	49.01	0.001232
MR117	7	11	2.5	3	102.29	45.19	0.001364
MR126	6	12	3	4	160.74	65.64	0.002794
MR128	8	12	2.5	3.5	122.52	61.82	0.001562
MR137	7	13	3	4	121.40	62.05	0.003476
MR148	8	14	3.5	4	184.34	86.55	0.004092
MR31	1	3	1.5	-	17.98	5.17	0.000088
MR41	1.2	4	1.8	2.5	31.02	7.87	0.00022
MR52	2	5	2	2.5	37.99	11.24	0.000352
MR62	2	6	2.5	2.5	74.19	22.03	0.00066
MR63	3	6	2	2.5	46.76	16.64	0.00044
MR72	2	7	2.5	3	86.55	28.55	0.00099
MR74	4	7	2	2.5	69.69	25.85	0.000484
MR82	2.5	8	2.5	3	125.89	40.24	0.001232
MR83	3	8	2.5	3	125.89	40.24	0.001188
MR84	4	8	2	3	88.80	31.25	0.000792
MR85	5	8	2	2.5	69.69	26.98	0.000572
MR93	3	9	2.5	4	128.14	42.04	0.001606
MR95	5	9	2.5	3	96.67	37.77	0.0011

16000 Metric Series 

Download file - pdf

Inner Dimension = Boundary dimensions (mm)
Outer Dimension = Boundary dimensions (mm)
Width = Boundary dimensions (mm)
Dynamic(Cr) = Basic load ratings (Lbf)
Static(Cor) = Basic load ratings (Lbf)

Size	Inner Dimension	Outer Dimension	Width	Dynamic(Cr)	Static(Cor)	Weight(lb)
16001	12	28	7	1142	535	0.0418
16002	15	32	8	1259	573	0.055
16003	17	35	8	1533	760	0.0594
16004	20	42	8	1776	1000	0.11
16005	25	47	8	1776	1000	0.132
16006	30	55	9	2518	1405	0.187
16007	35	62	9	2585	1978	0.22
16008	40	68	9	2810	2293	0.286
16009	45	75	10	2878	2293	0.374
16010	50	80	10	3642	2967	0.396
16011	55	90	11	3642	3867	0.572
16012	60	95	11	3709	3372	0.616
16013	65	100	11	3934	3597	0.66
16014	70	110	13	6025	5305	0.9702
16015	75	115	13	6205	5688	1.0186
16016	80	125	14	7194	6654	1.3662
16017	85	130	14	7419	7081	1.4344
16018	90	140	16	9330	8880	1.9206
16019	95	145	16	9667	9442	1.9888
16020	100	150	16	9554	9442	2.079
16021	105	160	18	11690	11353	2.728
16022	110	170	19	12926	12702	3.322

60/22 - 63/22 Metric Series 

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Inner Dimension = Boundary dimensions (mm)
Outer Dimension = Boundary dimensions (mm)
Width = Boundary dimensions (mm)
Dynamic(Cr) = Basic load ratings (Lbf)
Static(Cor) = Basic load ratings (Lbf)

Size	Inner Dimension	Outer Dimension	Width	Dynamic(Cr)	Static(Cor)	Weight(lb)
60/22	22	44	12	2113	1135	0.1628
60/28	28	52	12	2810	1664	0.2112
60/32	32	58	13	3395	2057	0.2684
62/22	22	50	14	2900	1529	0.2618
62/28	28	58	16	3732	2136	0.385
62/32	32	65	17	4654	2608	0.495
63/22	22	56	16	4136	2079	0.3938
63/28	28	68	18	6002	3147	0.6314
63/32	32	75	20	6722	3822	0.8558

62000 Metric Series 

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Inner Dimension = Boundary dimensions (mm)
Outer Dimension = Boundary dimensions (mm)
Width = Boundary dimensions (mm)
Dynamic(Cr) = Basic load ratings (Lbf)
Static(Cor) = Basic load ratings (Lbf)

Size	Inner Dimension	Outer Dimension	Width	Dynamic(Cr)	Static(Cor)	Weight(lb)
62200	10	30	14	1149	537	0.0968
62201	12	32	14	1533	688	0.1166
62202	15	35	14	1718	836	0.143
62203	17	40	16	2151	1077	0.2112
62204	20	47	18	2887	1495	0.319
62205	25	52	18	3152	1771	0.3784
62206	30	62	20	4375	2543	0.605
62207	35	72	23	5771	3440	0.902
62208	40	80	23	6636	4078	1.3552
62209	45	85	23	7120	4649	1.375
62210	50	90	23	7884	5211	1.5972

5200 Metric Series 

Download file-pdf

Inner Dimension = Boundary dimensions (mm)
Outer Dimension = Boundary dimensions (mm)
Width = Boundary dimensions (mm)
Dynamic(Cr) = Basic load ratings (Lbf)
Static(Cor) = Basic load ratings (Lbf)

Size	Inner Dimension	Outer Dimension	Width	Dynamic(Cr)	Static(Cor)	Weight(lb)
5200	10	30	14.2	1200	755	0.108
5201	12	32	15.8	1580	1030	.026
5202	15	35	15.8	1740	1180	.141
5203	17	40	17.4	2210	1540	.212
5204	20	47	20.6	3000	2410	.337
5205	25	52	20.6	3550	2710	.386
5206	30	62	23.8	4950	3900	.631
5207	35	72	26.9	6550	5300	.961
5208	40	80	30.1	7400	6100	1.30
5209	45	85	30.1	8300	6900	1.41
5210	50	90	30.1	8850	7700	1.52
5211	55	100	33.3	9180	8490	2.46
5212	60	110	36.5	13700	13200	3.14
5213	65	120	38.1	14900	14700	4.22
5214	70	125	39.6	16200	16200	4.54
5215	75	130	41.2	17700	17100	5.46
5216	80	140	44.4	18620	17900	6.56

5300 Metric Series 

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Inner Dimension = Boundary dimensions (mm)
Outer Dimension = Boundary dimensions (mm)
Width = Boundary dimensions (mm)
Dynamic(Cr) = Basic load ratings (Lbf)
Static(Cor) = Basic load ratings (Lbf)

Size	Inner Dimension	Outer Dimension	Width	Dynamic(Cr)	Static(Cor)	Weight(lb)
5300	10	35	19.05	1450	1280	0.21
5301	12	37	19.05	1640	1400	.230
5302	15	42	19.05	1880	1560	.290
5303	17	47	22.22	2200	1940	.430
5304	20	52	22.22	2800	2350	.520
5305	25	62	25.40	8110	4360	.750
5306	30	72	30.16	10200	5720	1.13
5307	35	80	34.92	12700	7340	1.75
5308	40	90	36.51	15600	9170	2.31
5309	45	100	39.68	18700	11200	3.13
5310	50	110	44.45	23700	14600	4.25
5311	55	120	49.21	27400	17200	5.06
5312	60	130	53.97	31300	19900	6.96
5313	65	140	58.73	35500	22900	8.61
5314	70	150	63.5	39800	26000	10.8
5315	75	160	68.26	43600	29300	12.10
5316	80	170	68.26	47200	32800	15.0

R Inch Series 

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Inner Dimension = Boundary dimensions (mm)
Outer Dimension = Boundary dimensions (mm)
Width OPEN = Boundary dimensions (mm)
Width ZZ/2RS = Boundary dimensions (mm)
Dynamic(Cr) = Basic load ratings (Lbf)
Static(Cor) = Basic load ratings (Lbf)

Size	Inner Dimension	Outer Dimension	Width OPEN	Width ZZ/2RS	Dynamic(Cr)	Static(Cor)	Weight(lb)
R1-5	0.0937	.03125	0.1094	0.1406	124	39	0.00132
R10	0.6250	1.3750	0.2812	0.3438	966	569	0.0616
R12	0.7500	1.6250	0.3125	0.4375	1369	864	0.0946
R133	0.0937	0.1875	0.0625	0.0937	42	13	0.00022
R14	0.8750	1.8750	.03750	0.5000	1623	1020	0.1562
R144	0.1250	0.2500	0.0937	0.1094	64	21	0.00055
R155	0.1562	0.3125	0.1094	0.1250	81	33	0.001122
R156	0.1875	0.3125	0.1094	0.1250	81	33	0.000858
R16	1.0000	2.0000	0.3750	0.5000	1736	1164	0.187
R166	0.1875	0.3750	0.1250	0.1250	160	61	0.001782
R168	0.2500	0.3750	0.1250	0.1250	84	39	0.001254
R18	1.1250	2.1250	0.3750	0.5000	1852	1164	0.187
R1810	0.3125	0.5000	0.1562	0.1562	121	62	0.003432
R188	0.2500	.05000	0.1250	0.1875	243	99	0.003366
R2	0.1250	.03750	0.1562	0.1562	142	49	0.002992
R2-5	0.1250	0.3125	0.1094	0.1406	126	40	0.00121
R2-6	0.1250	0.3750	0.1094	0.1406	144	51	0.002112
R20	1.2500	2.2500	0.3750	0.5000	1935	1455	0.2068
R22	1.3750	2.5000	0.4375	0.5625	2803	1947	0.2838
R24	1.5000	2.6250	0.4375	0.5625	2803	1947	0.3014
R3	0.1875	0.5000	0.1562	0.1960	292	109	0.004862
R4	0.2500	0.6250	.01960	0.1960	333	138	0.009812
R4A	0.2500	0.7500	0.2188	0.2812	526	199	0.016456
R6	0.3750	0.8750	0.2188	0.2812	753	32	0.019844
R8	0.5000	1.1250	0.2500	0.3125	884	466	0.033

1600 Inch Series 

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Inner Dimension = Boundary dimensions (mm)
Outer Dimension = Boundary dimensions (mm)
Width = Boundary dimensions (mm)
Dynamic(Cr) = Basic load ratings (Lbf)
Static(Cor) = Basic load ratings (Lbf)

Size	Inner Dimension	Outer Dimension	Width	Dynamic(Cr)	Static(Cor)	Weight(lb)
1601	0.1875	0.6875	0.2500	443	164	0.0041
1602	0.2500	0.6875	0.2500	443	164	0.0064
1603	0.3125	0.8750	0.2813	740	306	0.0095
1604	0.3750	0.8750	0.2813	749	317	0.0086
1605	0.3125	0.9063	0.3125	749	317	0.0168
1606	0.3750	0.9063	0.3125	749	317	0.0218
1607	0.4375	0.9063	0.3125	605	286	0.0222
1614	0.3750	1.1250	0.3750	881	506	0.0350
1615	0.4375	1.1250	0.3750	881	506	0.0340
1616	0.5000	1.1250	0.3750	881	506	0.0300
1620	0.4375	1.3750	0.4375	1326	787	0.0500
1621	0.5000	1.3750	0.4375	1326	787	0.0480
1622	0.5625	1.3750	0.4375	1326	787	0.0400
1623	0.6250	1.3750	0.4375	1326	787	0.0480
1628	0.6250	1.6250	0.5000	1630	787	0.0720
1630	0.7500	1.6250	0.5000	1630	1000	0.0650
1633	0.6250	1.7500	0.5000	1630	1000	0.0920
1635	0.7500	1.7500	0.5000	1630	1000	0.0850
1638	0.7500	2.0000	0.5625	2428	1000	0.1200
1640	0.8750	2.0000	0.5625	2428	1562	0.1120
1641	1.0000	2.0000	0.5625	2428	1562	0.1000
1652	1.1250	2.5000	0.6250	2878	1562	0.2100
1654	1.2500	2.5000	0.6250	2878	1888	0.1900
1657	1.2500	2.5625	0.6875	3709	2383	0.2150
1658	1.3125	2.5625	0.6875	3709	2383	0.2000

Conclusion:

Selecting the right type, size, and dimensions of ball bearings is essential for maximizing performance, minimizing wear, and ensuring the longevity of your machinery. Whether you need deep groove bearings for general applications, angular contact bearings for high-speed operations, or self-aligning bearings for misalignment correction, understanding their characteristics helps you make informed decisions. Choosing the correct bearing not only improves efficiency but also reduces maintenance costs and prevents premature failures. By considering load requirements, speed, and environmental conditions, you can ensure smooth and reliable operation in any application.