Home / Product / 6800 Series Deep Groove Ball Bearing / 684 ZZ/2RS Open 4x9x4mm Miniature Bearing High Precision Bearing Deep Groove Ball Bearing

684 ZZ/2RS Open 4x9x4mm Miniature Bearing High Precision Bearing Deep Groove Ball Bearing

Specification

MODEL	SIZE					BASIC RATED LOAD		WEIGHT (reference) kg
	INNER DIAMETER(d) mm	OUTER DIAMETER(D) mm	WIDTH		CHAMFER(r) mm	DYNAMIC Cr N	STATIC Cor N
	INNER DIAMETER(d) mm	OUTER DIAMETER(D) mm	OPEN TYPE mm	SHIELD TYPE mm	CHAMFER(r) mm	DYNAMIC Cr N	STATIC Cor N
684	4	9	2.5	4	0.1	480	170	0.0010
685	5	11	3	5	0.15	770	320	0.0019
686	6	13	3.5	5	0.15	1080	440	0.0027
687	7	14	3.5	5	0.15	1170	510	0.0030
688	8	16	4	5	0.2	1250	590	0.0038
689	9	17	4	5	0.2	1330	660	0.0440
6800	10	19	5	5	0.3	1590	750	0.0050
6801	12	21	5	5	0.3	1910	1040	0.0060
6802	15	24	5	5	0.3	2070	1250	0.0070
6803	17	26	5	5	0.3	2130	1360	0.0080
6804	20	32	7	7	0.3	3480	2230	0.0190
6805	25	37	7	7	0.3	3680	2630	0.0220
6806	30	42	7	7	0.3	4000	3150	0.0260
6807	35	47	7	7	0.3	4270	3600	0.0290
6808	40	52	7	7	0.3	4410	3890	0.0330
6809	45	58	7	7	0.3	4590	4330	0.0400
6810	50	65	7	7	0.3	6610	6080	0.0520
6811	55	72	9	9	0.3	8530	8080	0.0830
6812	60	78	10	10	0.3	9200	8760	0.1060
6813	65	85	10	10	0.6	10510	9420	0.1250
6814	70	90	10	10	0.6	10890	10090	0.1350
6815	75	95	10	10	0.6	11230	10760	0.1450
6816	80	100	10	10	0.6	11320	11080	0.1550
6817	85	110	13	13	1	17599	18300	0.2650
6818	90	115	13	13	1	17853	18961	0.2800
6819	95	120	13	13	1	18089	19616	0.2980
6820	100	125	13	13	1	18340	20266	0.3110
6821	105	130	13	13	1	18912	20924	0.3250
6822	110	140	16	16	1	28100	30700	0.5100
6824	120	150	16	16	1	28900	32900	0.5490
6826	130	165	18	18	1.1	37900	42900	0.7900
6828	140	175	18	18	1.1	65500	81000	0.9900
6830	150	190	20	20	1.1	68900	85000	1.5000
6832	160	200	20	20	1.1	70400	88200	1.7000
6834	170	215	22	22	1.1	74800	90800	1.9000
6836	180	225	22	22	1.1	78400	99400	2.0000
6838	190	240	24	24	1.5	109500	140100	2.0300
6840	200	250	24	24	1.5	114400	141100	2.3800
6844	220	270	24	24	1.5	146700	146500	2.7900
6848	240	300	28	28	2	158000	194000	4.5000
6852	260	320	28	28	2	159300	205800	4.8500
6856	280	350	33	33	2	160500	216900	7.6000
6860	300	380	38	38	2.1	162000	222000	11.0000
6864	320	400	38	38	2.1	168000	235000	12.0000
6872	360	440	38	38	2.1	182000	285000	12.2000
6876	380	480	46	46	2.1	235000	348000	20.5000
6880	400	500	46	46	2.1	247000	405000	21.7000
6884	420	520	46	46	3	251000	425000	22.0000
6888	440	540	46	46	3	255000	432000	24.0000
6892	460	580	56	56	3	322000	538000	33.5000

Precision Class

Standard	Precision Class
GB/T307.1	P0	P6	P5	P4
IS0492	CLASS0	CLASS6	CLASS5	CLASS4
AFBMA STD.20	ABEC1	ABEC3	ABEC5	ABEC7

Bearing Material

Chrome Steel: Chemical Composition of Chrome Steel，According to customer needs, stainless steel bearing materials avaiable

Steel No	Chemical Composition%
Steel No	C	Si	Mn	P	S	Cr
GCr15	0.95-1.05	0.15-0.35	0.20-0.40	≤0.027	≤0.02	1.30-1.65

The Interchange of Chrome Steel No.

Country	China	ISO	U.S.A	Germany	Japan	Sweden
Bearings Steel No.	GCr15	683/VXⅡ	(AISI)52100	(DIN)100Cr6	（Jis）SUJ2	SKF3

Professional manufacture of 684 ZZ/2RS Open 4x9x4mm Miniature Bearing High Precision Bearing Deep Groove Ball Bearing.

Years Of Experience

We are an international custom 684 ZZ/2RS Open 4x9x4mm Miniature Bearing High Precision Bearing Deep Groove Ball Bearing suppliers and OEM/ODM 684 ZZ/2RS Open 4x9x4mm Miniature Bearing High Precision Bearing Deep Groove Ball Bearing company, specialized in the manufacturing deep groove ball bearing. Not only advanced automated production equipment, strict enterprise management, excellent talent team, and strong technology, rigorous process, but also we have a large number of precision grinding machine, mainly use high-quality bearing steel "GCr15" as raw material, and low-carbon alloy steel as attached. The first inspection, Operator self-inspection, inspect all the sizes; Inspect sampling, factory finished product testing and other processes, custom 684 ZZ/2RS Open 4x9x4mm Miniature Bearing High Precision Bearing Deep Groove Ball Bearing quality has been Strict controlled. Our quality goal is the pursuit of excellence, achieve customer satisfaction.
We have professional design, development and manufacture of 684 ZZ/2RS Open 4x9x4mm Miniature Bearing High Precision Bearing Deep Groove Ball Bearing and deep groove ball bearings. Our leading products are widely used in micro-electromechanical, household appliances, electric fans, washing machines, motorcycles, electric vehicles, medical equipment, sports equipment, textile and agricultural machinery, and process decorations, sliding doors and windows, children′s toys, trolleys, Package, skates, scooters, fitness equipment, various types of machinery sector!