Miniature Ball Bearing
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Miniature Ball Bearing

Miniature deep groove ball bearing refers to the metric series, the outer diameter is less than 9mm; Inch series, all kinds of bearings with outer diameter less than 9.525mm, the main materials are carbon steel, bearing steel, stainless steel, plastic, ceramic, etc., among which the minimum inner diameter can be 0.6mm, generally 1mm more.

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Product Introduction

In ultra small aperture in the miniature bearing, miniature deep groove ball bearing type has the metric 68 series, 69 series, 60 series, etc., inch on a total of 6 R series, based on this, also can be divided into with ZZ steel dust cover bearing series, rubber sealing ring with RS miniature bearing series, teflon bearings seals series and flanged penal series and so on.

It is suitable for all kinds of industrial equipment, small rotary motor and other fields with high speed and low noise, all kinds of mechanical rotation, supporting motor, precision instruments, telecommunications equipment, doors and Windows pulley, fitness equipment, toy car model, skateboard roller skating, fishing gear, model aircraft equipment, sewing machinery, household appliances, medical equipment and so on.

Main size（mm）							BasicLoad rating（N）		Speed rating （r／min）		Bearing No.		Bearing No.				Fixing size（mm）			Weight（kg）
Main size（mm）							BasicLoad rating（N）		Speed rating （r／min）		Bearing No.		Bearing No.				Fixing size（mm）			Weight（kg）
d	D	B	D2	C1	C2	rsmin1	Cr	Cor	Grease	0il	Open	Z	ZZ	FL	FL...Z	FI....ZZ	Ds	dh	R	Open	FL
1	3	1	3.8	0.3	0.45	0.05	80	22	120000	140000	681	681Z	681ZZ	FL681	FL681Z	FL681ZZ	1.6	2.4	0.005	0.05	0.06
1	4	1.6	5	0.5	0.6	0.1	157	43	96000	110000	691	691Z	691ZZ	FL691	FL691Z	FL691ZZ	1.8	3.2	0.1	0.11	0.14
12	4	1.8	-	0.4	-	0.08	159	44	93000	110000	BC1.2-4	-	-	-			1.8	3.4	0.08	0.1	0.12
1.5	4	1.2	5	0.4	0.6	0.05	102	29	88000	110000	68/1.5	68/1.5Z	68/1.5ZZ	FL68/1.5	FL68/1.5Z	FL68/1.5ZZ	2.3	3.2	0.05	0.07	0.09
	5	2.2.	6.5	0.6	0.8	0.15	237	68	79000	93000	69/1.5	69/1.5Z	69/1.5ZZ	FL69/1.5	F169/1.5Z	FL69/1.5ZZ	2.7	3.8	0.15	0.18	0.24
	6	5	7.5	0.6	0.8	0.15	274	86	71000	84000	60/1.5	60/1.5Z	60/1.5ZZ	FL60/1.5	FL60/1.5Z	FL60/1.5ZZ	2.7	4.8	0.15	0.35	0.42
2	4	1.2	-	-	-	0.05	104	37	83000	98000	672	672Z	672ZZ	FL672	FL672Z	FL672ZZ	2.5	3.5	0.05	0.06	-
	5	1.5	6.1	0.5	0.6	0.08	171	51	74000	87000	682	682Z	682ZZ	FL682	FL682Z	FL682ZZ	2.8	4.2	0.08	0.13	0.17
	5	2	-		-	0.1	171	51	74000	87000	BC2-5	BC2-5Z	BC2-5ZZ	FLBC2-5	FLBC2-5Z	FLBC2-5ZZ	2.8	4.2	0.1	0.16	-
	6	2.3	7.5	0.6	0.8	0.15	279	89	67000	79000	692	692Z	692ZZ	FL692	FL692Z	FL692ZZ	3.2	4.8	0.15	0.31	0.38
	6	2.5	-	0.6	-	0.15	279	89	67000	79000	BC2-6	-	-	-	-	-	3.2	4.8	0.15	0.32	0.38
	7	2.5	8.2		0.6	0.15	284	96	59000	70000	BC2-7	BC2-7Z	BC2-7ZZ	FLBC2-7	FLBC2-7Z	FLBC2-7ZZ	3.2	5.8	0.15	0.44	0.812
2.5	7	2.8	8.5	0.7	0.9	0.15	380	125	62000	73000	602	602Z	602ZZ	FL602	FL602Z	FL602ZZ	3.2	5.8	0.15	0.54	0.64
	5	1.5		-	-	0.08	153	59	70000	82000	67/2.5	67/2.57	67/2.5ZZ	FL67/2.5	FL67/2.5Z	FL67/2.57Z	3.1	4.4	0.08	0.11	-
	6	1.8	7.1	0.5	0.8	0.08	209	73	65000	76000	68/2.5	68/2.5Z	68/2.5ZZ	FL68/2.5	FL68/2.5Z	FL68/2.5ZZ	3.7	4.8	0.08	0.22	0.26
	7	-	8.2	-	0.6	0.15	284	96	59000	70000	-	BC2.5-7Z	BC2.5-7ZZ	FLBC2.5-7	FLBC2.5-7Z	FLBC2.5-7ZZ	3.7	5.8	0.15	0.602	0.672
	7	2.5	8.5	0.7	0.9	0.15	284	96	59000	70000	69/2.5	69/2.5Z	69/2.5ZZ	FL69/2.5	FL69/2.5Z	FL69/2.5ZZ	3.7	5.8	0.15	0.43	0.53
	8	2.5	-	0.6	-	0.15	430	152	56000	66000	BC2.5-8	BC2.5-8Z	BC2.5-8ZZ	FLBC2.5-8	FLBC2.5-8Z	FLBC2.5-8ZZ	3.7	6.8	0.15	0.57	0.65
	8	2.8	9.5	0.7	0.9	0.15	550	174	56000	66000	60/2.5	60/2.5Z	60/2.5ZZ	FL60/2.5	FL60/2.5Z	FL60/2.5ZZ	3.7	6.8	0.15	0.72	0.83
3	6	2	7.2	0.6	0.6	0.08	242	94	60000	71000	673	673Z	673ZZ	FL673	FL673Z	FL673ZZ	3.6	5.4	0.08	0.2	0.26
	7	2	8.1	0.5	0.8	0.1	390	130	58000	68000	683	683Z	683ZZ	FL683	FL683Z	FL683ZZ	4.2	5.8	0.1	0.33	0.38
	8	2.5	-	0.6	-	0.15	560	180	54000	63000	BC3-8	-	-	-	-	-	4.2	6.8	0.15	0.52	0.6
	8	3	9.5	0.7	0.9	0.15	560	180	54000	63000	693	693Z	693ZZ	FL693	FL6932	FL693ZZ	4.2	6.8	0.15	0.61	0.72
	9	2.5	10.2	0.6	0.8	0.15	635	219	50000	59000	BC3-9	BC3-9Z	BC3-9ZZ	FLBC3-9	FLBC3-9Z	FLBC3-9ZZ	4.2	7.8	0.15	0.71	0.79
	9	2	10.5	0.7	1	0.15	635	219	50000	59000	603	603Z	603ZZ	FL603	FL603Z	FL603ZZ	4.2	7.8	0.15	0.92	1
	10	4	11.5	1	1	0.15	640	224	50000	58000	623	623Z	623ZZ	FL623	FL623Z	FL623ZZ	4.2	8.8	0.15	1.6	1.8
4	7	2	8.2	0.6	0.6	0.08	269	117	54000	63000	674	674Z	674ZZ	FL674	FL674Z	FL674ZZ	4.6	6.4	0.08	0.28	0.35
	8	2	9.2	0.6	0.6	0.08	395	140	52000	61000	BC4-8	BC4-8Z	BC4-8ZZ	FLBC4-8	FLBC4-8Z	FLBC4-8ZZ	5.2	6.8	0.08	0.38	0.46
	9	2.5	10.3	0.6	1	0.1	640	224	49000	57000	684	684Z	684ZZ	FL684	FL684Z	FL684ZZ	5.2	7.8	0.1	0.67	0.76
	10	3	11.3	0.6	0.8	0.15	650	235	46000	55000	BC4-10	BC4-10Z	BC4-10ZZ	FLBC4-10	FLBC4-10Z	FLBC4-10ZZ	5.2	8.8	0.15	1	1.1
	11	4	12.5	1	1	0.15	715	276	45000	52000	694	694Z	694Z2	FL694	FL694Z	FL694ZZ	5.2	9.8	0.15	1.8	2
	12	4	13.5	1	1	0.2	970	360	43000	51000	604	6042	604ZZ	FL604	FL604Z	FL604ZZ	5.6	10.4	0.2	2.1	2.3
	13	5	15	1	1	0.2	1310	490	42000	49000	624	624Z	624ZZ	FL624	FL624Z	FL624ZZ	5.6	11.4	0.2	3.2	3.5
	16	5	-	-	-	0.3	1760	680	37000	44000	634	634Z	634ZZ	FL634	FL634Z	FL634ZZ	6	14	0.3	5.1	-
5	8	2	9.2	0.6	0.6	0.08	292	142	49000	57000	675	675Z	675ZZ	FL675	FL675Z	FL675ZZ	5.6	7.4	0.08	0.32	0.4
	9	2.5	10.2	0.6	0.6	0.15	500	211	46000	55000	BC5-9	BC5-9Z	BC5-9ZZ	FLBC5-9	FLBC5-9Z	FLBC5-9ZZ	6.2	7.8	0.15	0.55	0.63
	10	3	11.6	0.6	0.8	0.15	715	276	45000	52000	BC5-10	BC5-10Z	BC5-10ZZ	FLBC5-10	FLBC5-10Z	FLBC5-10ZZ	6.2	8.8	0.15	0.88	0.97
	11	-	12.6	-	0.8	0.15	715	282	43000	51000	-	BC5-11Z	BC5-11ZZ	-	FLBC5-11Z	FLBC5-11ZZ	6.2	9.8	0.15	1.82	2.02
	11	3	12.5	0.8	1	0.15	715	282	43000	51000	685	685Z	685Z7	FL685	FL685Z	FL685ZZ	6.2	9.8	0.15	1.1	1.3
	13	4	15	1	1	0.2	1080	430	40000	47000	695	695Z	695ZZ	FL695	FL695Z	FL695ZZ	6.6	11.4	0.2	2.4	2.7
	13	-	15		1	0.2	1080	430	40000	47000	-	BC5 13Z	BC5-13ZZ	-	FLBC5-13Z	FLBC5-13ZZ	6.6	11.4	0.2	3.42	3.72
	14	5	16	1	1	0.2	1330	505	39000	46000	605	605Z	605ZZ	FL605	FL605Z	FL605ZZ	6.6	12.4	0.2	3.5	3.9
	16	5	18	1	1	0.3	1760	680	37000	44000	625	625Z	625ZZ	FL625	FL625Z	FL625ZZ	7	14	0.3	4.8	5.2
	19	6	-	- -		0.3	2340	885	34000	40000	635	635Z	635ZZ	-	-	-	7	17	0.3	8	-
6	10	2.5	11.2	0.6	0.6	0.1	530	240	43000	51000	676	676Z	676ZZ	FL676	FL676Z	FL676ZZ	6.8	9.2	0.1	0.65	0.74
	12	3	13.6	0.6	0.8	0.15	830	365	40000	47000	BC6-12	BC6-12Z	BC6-12ZZ	FLBC6-12	FLBC6-12Z	FLBC6-12ZZ	7.2	10.8	0.15	1.3	1.4
	13	3.5	15	1	1.1	0.15	1080	440	39000	46000	686	686Z	686ZZ	FL686	FL686Z	FL686ZZ	7.2	11.8	0.15	1.9	2.2
	15	5	17	1.2	1.2	0.2	1350	530	37000	44000	696	696Z	696ZZ	FL696	FL696Z	FL696ZZ	7.6	13.4	0.2	3.8	4.3
	16	6	-	-	-	0.2	2170	845	36000	42000	BC6-16	BC6-16Z	BC6-16ZZ	-	-		7.6	14.4	0.2	5.2	-
	17	6	19	1.2	1.2	0.3	2190	865	35000	42000	606	606Z	606ZZ	FL606	FL606Z	FL606ZZ	8	15	0.3	6	6.5
	19	6	22	1.5	1.5	0.3	2340	885	34000	40000	626	626Z	6262Z	FL626	FL626Z	FL626ZZ	8	17	0.3	8.1	9.2
7	11	3	12.2	0.6	0.6	0.1	555	269	40000	47000	677	677Z	677ZZ	FL677	FL677Z	FL677ZZ	7.8	10.2	0.1	0.67	0.77
	13	4	14.6	0.6	0.8	0.15	825	375	38000	45000	BC7-13	BC7-13Z	BC7-13ZZ	FLBC7-13	FLBC7-13Z	FLBC7-13ZZ	8.2	11.8	0.15	1.4	1.5
	14	5	16	1	1.1	0.15	1170	510	37000	44000	687	687Z	687ZZ	FL687	FL687Z	FL687ZZ	8.2	12.8	0.15	2.1	2.4
	17	5	19	1.2	1.2	0.3	1610	715	35000	41000	697	697Z	697ZZ	FL697	FL697Z	FL697ZZ	9	15	0.3	5.2	5.7
	19	6	-	-	-	0.3	2240	910	34000	40000	607	607Z	607ZZ	-	-	-	9	17	0.3	8	-
	22	7	-	-	-	0.3	3350	1400	32000	37000	627	627Z	627ZZ	-	-	-	9	20	0.3	13	--
8	12	3.5	13.6	0.6	0.8	0.1	575	298	38000	45000	678	678Z	678ZZ	FL678	FL678Z	FL678ZZ	8.8	11.2	0.1	0.75	0.86
	14	4	15.6	0.8	0.8	0.15	820	385	36000	43000	BC8-14	BC8-14Z	BC8-14ZZ	FLBC8-14	FLBC8-14Z	FLBC8-11ZZ	9.2	12.8	0.15	1.8	1.9
	16	5	18	1	1.1	0.2	1260	585	35000	41000	688	688Z	688ZZ	FL688	FL688Z	FL688ZZ	9.6	14.4	0.2	3.1	3.5
	19	6	22	1.5	1.5	0.3	1990	865	33000	39000	698	698Z	698ZZ	FL698	FL698Z	FL698ZZ	10	17	0.3	7.3	8.4
	22	7	25	1.5	1.5	0.3	3350	1400	32000	37000	608	608Z	608ZZ	FL608	FL608Z	FL608ZZ	10	20	0.3	12	13
	24	8	-	-	-	0.3	4000	1590	31000	36000	628	628Z	628ZZ	-	-	-	10	22	0.3	17	-
9	14	4.5	-	-	-	0.1	920	465	36000	42000	679	679Z	679ZZ	-	-	-	9.8	13.2	0.1	1.4	-
	17	5	19	1	1.1	0.2	1720	820	33000	39000	689	689Z	689ZZ	FL689	FL689Z	FL689ZZ	10.6	15.4	0.2	3.2	3.6
	20	6	-	-	-	0.3	2480	1090	32000	38000	699	699Z	699ZZ	-	-	-	11	18	0.3	8.2	-
	24	7	-	-	-	0.3	3400	1450	31000	36000	609	609Z	609ZZ	-	-	-	11	22	0.3	14	-
	26	8	-	-	-	0.3	4500	1960	30000	35000	629	629Z	629ZZ	-	-	-	13	22	0.3	20	-

Inch minitype ball bearing

Main size（mm）								Basic Load rating(KN)		Speed rating (r/min)	Speed rating(r/min)	Bearing No.						Fixing size(mm)			Weight(kg)
Main size（mm）								Basic Load rating(KN)		Speed rating (r/min)	Speed rating(r/min)	Bearing No.						Fixing size(mm)			Weight(kg)
d	D	B	B1	D1	C1	C2	rsmin1	Cr	Cor	Grease	Oil	Open	Z	ZZ	FL	FL...Z	FL...ZZ	Ds	dh	R	Open	FL
1.016	3.175	1.191	-	-	-	-	0.08	97	26	110000	130000	R01	-	-	-	-	-	1.6	2.5	0.08	0.04	-
1.191	3.967	1.588	2.38	5.16	0.33	0.79	0.08	159	44	93000	110000	R01	R0Z	R0ZZ	FLR0	FLR0Z	FLR0ZZ	2	3.2	0.08	0.09	0.11
1.397	4.762	1.984	2.779	5.94	0.58	0.79	0.08	185	56	81000	95000	R1	R1Z	R1ZZ	FLR1	FLR1Z	FLR1ZZ	2.2	3.8	0.08	0.17	0.21
1.984	6.35	2.38	3.571	7.52	0.58	0.79	0.08	279	89	67000	79000	R1-4	R1-4Z	R1-4ZZ	FLR1-4	FLR1-4Z	FLR1-4ZZ	2.8	5.5	0.08	0.35	0.41
2.38	4.762	1.588	2.38	5.94	0.46	0.79	0.08	124	42	73000	85000	R133	R133Z	R133ZZ	FLR133	FLR133Z	FLR133ZZ	3.2	4	0.08	0.12	0.16
2.38	7.938	2.779	3.571	9.12	0.58	0.79	0.13	430	152	56000	66000	R1-5	R1-5Z	R1-5ZZ	FLR1-5	FLR1-5Z	FLR1-5ZZ	3.2	7	0.1	0.69	0.76
3.175	6.35	2.38	2.779	7.52	0.58	0.79	0.08	284	96	59000	70000	R144	R144Z	R144ZZ	FLR144	FLR144Z	FLR144ZZ	4	5.5	0.08	0.27	0.33
	7.938	2.779	3.571	9.12	0.58	0.79	0.08	560	180	54000	63000	R2-5	R2-5Z	R2-5ZZ	FLR2-5	FLR2-5Z	FLR2-5ZZ	4	7	0.08	0.61	0.68
	9.525	2.779	3.571	10.72	0.58	0.79	0.13	640	224	49000	58000	R2-6	R2-6Z	R2-6ZZ	FLR2-6	FLR2-6Z	FLR2-6ZZ	4	8.7	0.1	0.88	0.96
	9.525	3.967	3.967	11.18	0.76	0.76	0.3	640	224	49000	58000	R2	R2Z	R2ZZ	FLR2	FLR2Z	FLR2ZZ	4.8	7.8	0.3	1.3	1.5
	12.7	4.366	4.366	-	-	-	0.3	1150	395	43000	51000	R2	R2Z	R2ZZ	-	-	-	4.8	11	0.3	2.5	-
3967	7.938	2.779	3.175	9.12	0.58	0.91	0.08	335	133	51000	60000	R155	R155Z	R155ZZ	FLR155	FLR155Z	FLR155ZZ	4.8	7	0.08	0.54	0.61
4.762	7.938	2.779	3.175	9.12	0.58	0.91	0.08	395	143	49000	58000	R156	R156Z	R156ZZ	FLR156	FLR156Z	FLR156ZZ	5.6	7	0.08	0.44	0.51
	9.525	3.175	3.175	10.72	0.58	0.79	0.08	710	268	46000	55000	R166	R166Z	R166ZZ	FLR166	FLR166Z	FLR166ZZ	5.6	8.7	0.08	0.8	0.89
	12.7	3.967	-	-	-	-	0.3	1310	490	41000	48000	R3	-	-	-	-	-	6.4	11	0.3	2.2	-
	12.7	4.978	4.978	14.35	1.07	1.07	0.3	1310	490	41000	48000	R3	R3Z	R3ZZ	FLR3	FLR3Z	FLR3ZZ	6.4	11	0.3	2.4	2.7
6.35	9.525	3.175	3.175	10.72	0.58	0.91	0.08	268	136	43000	51000	R168	R168Z	R168ZZ	FLR168	FLR168Z	FLR168ZZ	7.2	8.7	0.08	0.6	0.69
	127	3.175	4.762	13.89	0.58	1.14	0.13	830	370	39000	46000	R188	R188Z	R188ZZ	FLR188	FLR188Z	FLR188ZZ	7.2	11.8	0.1	1.6	1.7
	15.875	4.978	4.978	17.53	1.07	1.07	0.3	1480	615	36000	43000	R4	R4Z	R4ZZ	FLR4	FLR4Z	FLR4ZZ	8	14.2	0.3	4.4	4.8
	19.05	-	7.142	-	-	-	0.41	2340	885	34000	40000	-	RA4Z	RA4ZZ	-	-	-	8.4	17	0.4	112	-
9.525	22.225	一	7.142	24.61	-	1.57	0.41	3300	1400	31000	37000	-	R6Z	R6ZZ	-	-	-	-	20.2	0.4	142	152

Why choose us?

Our focus is to produce and provide Deep Groove Ball Bearings that satisfy even the most demanding customers.
In the face of increasingly complex external environment and increasingly fierce competition, we still adhere to the core business of manufacturing the Miniature Ball Bearing.
Our team of experienced professionals ensures that our Deep Groove Ball Bearings meet the highest standards of excellence.
Extraordinary design and perfect craft creation make our Miniature Ball Bearing always in the leading position.
Our quality assurance program ensures that our Deep Groove Ball Bearings deliver the performance and durability our customers expect.
Integrity is our corporate value, in addition to doing the right thing, we will always do the right thing. Trust built on integrity within the company is the core of the value of mutual trust that we hold dear and that our employees trust in the company; the courage to take creative risks, and the courage to take responsibility!
Our focus is on manufacturing and supplying Deep Groove Ball Bearings of superior quality at unbeatable prices.
Our company is mature in design team, supporting production, installation, and repair services.
We offer personalized services and support to help our customers make informed decisions about Deep Groove Ball Bearings.
We are a company engaged in production, processing, distribution and wholesale, and have established long-term cooperative relations with many enterprises.

Radial Deep Groove Ball Bearings

Inch Ball Bearing