Miniature Flanged Ball Bearing F Mf Series Factory

Miniature Ball Bearings are small bearings with balls as their rolling elements, and these small bearings have an outside diameter of less than 9mm. F, MF series deep groove ball bearings with flanged outer rings correspond to ordinary ball bearings with snap rings. The flange extends around the entire circumference of the outer ring due to the size limitation and to improve its running accuracy. Since it is no necessary to provide a shoulder on the housing bore if this bearing is used, the bore can be a simple cylindrical shape which facilitates high precision machining and also reduces the machining time.

In general, the cages used in miniature bearings are either ribbon cage or snap cages, both options are made of pressed steel. Pressed steel ribbon cages are used in the larger bearings and pressed snap cages in the smaller ones. In addition, the plastic snap cages option is also available, as it has the advantages of low torque, long grease life and low noise.

Application

The miniature deep groove ball bearings are widely used in miniature mechanical engineering, electronic and medical devices, miniature engines and dynamic model building, small spindles, dental drills, watches, aerospace and all applications requiring extremely small components.

Bearing Model	Dimensions														Basic Load Rating(KN)		Speed ratings(Kr/min)		Mounting Dim.(mm)			Ball Complement(mm)		Weight(kg)
	d		D		Diameter		r (min.)		B		Width		B
	Open,ZZ,2RS		Open,ZZ,2RS		Df		Open,ZZ,2RS		Open		Bf		ZZ,2RS
	mm	inch	mm	inch	mm	Inch	mm	inch	mm	inch	mm	Inch	mm	inch	Dyn.C	Stat.Co	Grease	Oil	da	Da	ra	Qty	Dim
F681	1	0.0394	3	0.118	3.8	0.1181	0.05	0.002	1	0.0394	0.3	0.0118	2	0.0787	7.5	2	130	150	1.6	2.4	0.05	6	0.5	0.00003
F691	1	0.0394	4	0.1575	5	0.1969	0.1	0.004	1.6	0.063	0.5	0.0197	2	0.0787	14	4	100	120	1.8	3.2	0.1	5	0.8	0.0001
MF41	1.2	0.0472	4	0.1575	4.8	0.189	0.1	0.004	1.8	0.0709	0.4	0.0157	2	0.0787	11	3.5	110	130	1.8	3.4	0.07	7	0.6	0.00014
F681	1.5	0.0591	4	0.1575	5	0.1969	0.05	0.002	1.2	0.0472	0.6	0.0236	2	0.0787	11	3.5	100	120	2.3	3.2	0.1	7	0.6	0.0001
F691	1.5	0.0591	5	0.1969	6.5	0.256	0.15	0.006	2	0.0787	0.8	0.0315	2.6	0.1024	17	5	85	100	2.7	3.8	0.15	6	0.8	0.0002
F601	1.5	0.0591	6	0.2362	7.5	0.2953	0.15	0.006	2.5	0.0984	0.8	0.0315	3	0.1181	34	10	75	90	2.3	5.2	0.1	6	1.2	0.00031
F682	2	0.0787	5	0.1969	6.1	0.2402	0.08	0.003	1.5	0.0591	0.6	0.0236	2.3	0.0906	17	5	85	100	2.8	4.4	1	6	0.8	0.0001
MF52	2	0.0787	5	0.1969	6.2	0.2441	0.1	0.004	2	0.0787	0.6	0.0236	2.5	0.0984	17	5	85	100	2.6	4.2	0.07	6	0.8	0.0001
F692	2	0.0787	6	0.2362	7.5	0.2953	0.15	0.006	2.3	0.0906	0.8	0.0315	3	0.1181	34	10	75	90	3.2	4.8	0.1	6	1.2	0.0002
MF62	2	0.0787	6	0.2362	7.2	0.2835	0.15	0.006	2.5	0.0984	0.6	0.0236	2.5	0.0984	34	10	75	90	2.8	5.2	0.1	6	1.2	0.0003
MF72	2	0.0787	7	0.2756	8.2	0.3228	0.15	0.006	2.5	0.0984	0.6	0.0236	3	0.1181	39	13	63	75	3.2	5.8	0.15	7	1.2	0.0004
F602	2	0.0787	7	0.2756	8.5	0.3346	0.15	0.006	2.8	0.1102	0.9	0.0354	3.5	0.1378	39	13	60	71	3.2	5.8	0.15	7	1.2	0.0005
F602X	2.5	0.0984	8	0.315	8.5	0.3346	0.15	0.006	2.8	0.1102	0.9	0.0354	4	0.1575	56	18	60	71	3.7	6.8	0.1	6	1.59	0.0006
MF63	3	0.1181	6	0.2362	7.2	0.2835	0.1	0.004	2	0.0787	0.6	0.0236	2.5	0.0984	21	7.5	71	80	3.6	5.4	0.05	8	0.8	0.0002
F683	3	0.1181	7	0.2756	8.1	0.3189	0.1	0.004	2	0.0787	0.8	0.0315	3	0.1181	32	11	63	75	4.2	5.8	0.1	8	1	0.0003
MF83	3	0.1181	8	0.315	9.2	0.3622	0.15	0.006	2.5	0.0984	0.8	0.0315	3	0.1181	40	14	60	67	3.8	7.2	0.1	7	1.2	0.0005
F693	3	0.1181	8	0.315	9.5	0.374	0.15	0.006	3	0.1181	0.9	0.354	4	0.1575	57	18	60	67	3.8	7.2	0.15	6	1.59	0.0006
MF93	3	0.1181	9	0.3543	10.2	0.4016	0.2	0.008	2.5	0.0984	0.8	0.0315	4	0.1575	58	19	56	67	4.2	6.8	0.1	6	1.59	0.00075
F603	3	0.1181	9	0.3543	10.5	0.4134	0.15	0.006	3	0.1181	1	0.0394	5	0.1969	58	19	56	67	4.2	7.8	0.15	6	1.59	0.0009
F623	3	0.1181	10	0.3937	11.5	0.4528	0.15	0.006	4	0.1575	1	0.0394	4	0.1575	64	22	50	60	4.2	8.8	0.15	7	1.59	0.0015
MF74	4	0.1575	7	0.2756	8.2	0.3228	0.1	0.004	2	0.0787	0.6	0.0236	2.5	0.0984	26	11	60	67	4.8	6.25	0.1	11	0.8	0.0004
MF84	4	0.1575	8	0.315	9.2	0.3622	0.15	0.006	2	0.0787	0.6	0.0236	3	0.1181	40	14	56	67	4.8	7.2	0.08	7	1.2	0.0004
F684	4	0.1575	9	0.3543	10.3	0.4055	0.1	0.004	2.5	0.0984	1	0.394	4	1.575	65	23	53	63	5.2	7.8	0.1	7	1.59	0.0007
F694	4	0.1575	11	0.4331	12.5	0.492	0.15	0.006	4	0.1575	1	0.0394	4	0.1575	98	36	48	56	5.2	9.8	0.15	7	2	0.0017
F604	4	0.1575	12	0.4724	13.5	0.5315	0.2	0.008	4	0.1575	1	0.0394	4	0.1575	98	36	48	56	5.6	10.4	0.2	7	2	0.0022
F624	4	0.1575	13	0.5118	15	0.5906	0.2	0.008	5	0.1969	1	0.0394	5	0.1969	133	50	40	48	5.6	11.4	0.2	7	2.38	0.0031
F634	4	0.1575	16	0.6299	18	0.7087	0.3	0.012	5	0.1969	1	0.0394	5	0.1969	137	53	36	43	6	14	0.3	7	2.38	0.0053
MF85	5	0.1969	8	0.315	9.2	0.03622	0.1	0.004	2	0.0787	0.6	0.0236	2.5	0.0984	31	12	53	63	5.6	7.4	0.05	8	1	0.0003
MF95	5	0.1969	9	0.3543	10.2	0.4016	0.15	0.006	2.5	0.0984	0.6	0.0236	3	0.1181	44	17	50	60	5.8	8.2	0.08	8	1.2	0.0006
MF105	5	0.1969	10	0.3937	11.2	0.4406	0.15	0.006	3	0.1181	0.8	0.0315	4	0.1575	44	17	50	60	5.8	9	0.1	8	1.2	0.0006
F685	5	0.1969	11	0.4331	12.5	0.4921	0.15	0.006	3	0.1181	1	0.0394	5	0.1969	73	30	45	53	6.2	9.8	0.15	8	1.6	0.0015
F695	5	0.1969	13	0.5118	15	0.5906	0.2	0.008	4	0.1575	1	0.0394	4	0.1575	110	44	45	53	6.6	11.4	0.2	8	2	0.0025
F605	5	0.1969	14	0.5512	16	0.63	0.2	0.008	5	0.1969	1	0.0394	5	0.1969	136	52	40	50	6.6	12.4	0.2	7	2.4	0.0035
F625	5	0.1969	16	0.6299	18	0.7087	0.3	0.012	5	0.1969	1	0.0394	5	0.1969	176	69	36	43	7	14	0.3	7	2.8	0.005
F635	5	0.1969	19	0.748	22	0.8661	0.3	0.012	6	0.2362	1.5	0.059	6	0.2362	238	91	32	40	7	17	0.3	6	3.5	0.0085
MF106	6	0.2362	10	0.0397	11.2	0.4409	0.15	0.006	2.5	0.0984	0.6	0.0236	3	0.1181	51	22	45	53	6.8	9.2	0.08	10	1.2	0.0006
MF126	6	0.2362	12	0.4724	13.2	0.5197	0.2	0.008	3	0.1181	0.8	0.0315	4	0.1575	73	30	43	50	7.2	10.8	0.1	8	1.6	0.0013
F686	6	0.2362	13	0.5118	15	0.5906	0.15	0.006	3.5	0.1378	1.1	0.0433	5	0.1969	110	45	40	50	7.2	11.8	0.15	8	2	0.0018
F696	6	0.2362	15	0.5906	17	0.6693	0.2	0.008	5	0.1969	1.2	0.0472	5	0.1969	137	53	40	45	7.6	13.4	0.2	7	2.4	0.0039
F606	6	0.2362	17	0.6693	19	0.748	0.3	0.012	6	0.2362	1.2	0.0472	6	0.2362	231	86	38	45	8	15	0.3	6	3.5	0.0058
F626	6	0.2362	19	0.748	22	0.866	0.3	0.012	6	0.2362	1.5	0.0591	6	0.2362	238	91	32	40	8	17	0.3	6	3.5	0.0081
F636	6	0.2362	22	0.8661	22	0.866	0.3	0.012	7	0.2756	1.5	0.0591	7	0.2756	340	145	30	36	8	20	0.3	7	4	0.013
MF117	7	0.2756	11	0.4331	12.2	0.4803	0.15	0.006	2.5	0.0984	0.6	0.0236	3	0.1181	46	21	43	50	7.8	10.2	0.08	9	1.2	0.0007
MF137	7	0.2756	13	0.5118	14.2	0.5591	0.2	0.008	3	0.1181	0.8	0.0315	4	0.1575	55	28	40	48	8.2	11.8	0.15	12	1.2	0.0014
MF147	7	0.2756	14	0.5512	16	0.63	0.15	0.006	3.5	0.1378	1.1	0.0433	5	0.1969	120	52	40	50	8.2	12.8	0.15	9	2	0.002
F697	7	0.2756	17	0.6693	19	0.748	0.3	0.012	5	0.1969	1.2	0.0472	5	0.1969	164	73	36	43	9	15	0.3	9	2.4	0.0053
F607	7	0.2756	19	0.748	22	0.866	0.3	0.012	6	0.2362	1.5	0.059	6	0.2362	238	91	36	43	9	17	0.3	6	3.5	0.0076
F627	7	0.2756	22	0.8661	25	0.9843	0.3	0.012	7	0.2756	1.5	0.059	7	0.2756	335	141	30	36	9	20	0.3	7	4	0.013
F637	7	0.2756	26	1.0236	25	0.9843	0.3	0.012	9	0.3543	1.5	0.059	9	0.3543	466	202	28	34	9	24	0.3	7	4.8	0.024
MF128	8	0.315	12	0.4724	13.2	0.5197	0.15	0.006	2.5	0.0984	0.8	0.0315	3.5	0.1378	55	28	40	48	8.8	11.2	0.08	12	1.2	0.0008
MF148	8	0.315	14	0.5512	15.6	0.6142	0.2	0.008	3.5	0.1378	0.8	0.0315	4	0.1575	83	39	38	45	9.2	12.8	0.15	10	1.6	0.0018
F688	8	0.315	16	0.6299	18	0.7087	0.2	0.008	4	0.1575	1.1	0.0433	5	0.1969	128	60	36	43	9.6	14.4	0.2	10	2	0.0032
F698	8	0.315	19	0.748	22	0.866	0.3	0.012	6	0.2362	1.5	0.059	6	0.2362	228	94	36	43	10	17	0.3	7	3.2	0.0072
F608	8	0.315	22	0.8661	25	0.9843	0.3	0.012	7	0.2756	1.5	0.059	7	0.2756	336	141	34	40	10	20	0.3	7	4	0.0012
F628	8	0.315	24	0.9449	25	0.9843	0.3	0.012	8	0.315	1.5	0.059	8	0.315	340	145	28	34	10	22	0.3	7	4	0.018
F638	8	0.315	28	1.1024	25	0.9843	3	0.012	9	0.3543	1.5	0.059	9	0.3543	466	202	28	34	10	26	0.3	7	4.8	0.029
F679	9	0.3543	14	0.5512	15.5	0.6102	0.1	0.004	3	0.1181	0.8	0.0315	4.5	0.1772	93	47	36	42	10	12.7	0.2	12	1.6	0.002
F689	9	0.3543	17	0.6693	19	0.7480	0.2	0.008	4	0.1575	1.1	0.0433	5	0.1969	135	68	36	43	10.6	15.4	0.2	11	2	0.0035
F699	9	0.3543	20	0.7874	23	0.9055	0.3	0.012	6	0.2362	1.5	0.059	6	0.2362	252	110	34	40	11	18	0.3	8	3.2	0.0075
F609	9	0.3543	24	0.9449	27	1.0629	0.3	0.012	7	0.2756	1.5	0.059	7	0.2756	340	145	32	38	11	22	0.3	7	4	0.015
F629	9	0.3543	26	1.0236	27	1.0629	0.3	0.012	8	0.315	1.5	0.059	8	0.315	466	202	28	34	12.1	22	0.3	7	4.8	0.02
F639	9	0.3543	30	1.1811	27	1.0629	0.6	0.024	10	0.3937	1.5	0.059	10	0.3937	475	212	24	30	13	26	0.6	7	4.8	0.035

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