Resources-Jiangsu Yinghong Transmission Technology Co., Ltd.

How long will it take to receive a reply after an inquiry?

We value every inquiry. On weekdays, we will reply within 12 hours of receiving your inquiry.

Are you a factory or a trading company?

We are a direct manufacturer with our own production capabilities. We have 3 large production plants, and have an international sales department, providing end-to-end services from production to export.

What products do you mainly offer?

We specialize in the production of cooperating with customers to develop special requirements for non-standard bearings.

In which fields are your products mainly used?

Products are widely used in all kinds of precision instruments, household appliances, medical equipment, massage equip-ment, sports equipment, textile machinery, micro motor, electric tools, transmission equipment, computers, and fishing gear, model aircraft, toys and other fields.

Do you support customized production?

Customized production is our core business. We can develop and manufacture according to your drawings or samples.

What is the company's production capacity?

We have 3 modern energy-saving and environmentally friendly production bases, with an annual precision bearing capacity exceeding 20,000 tons, which can stably meet various order demands.

What is the company's size and personnel structure?

Our company currently has more than 200 employees, including more than 20 professional technicians.

How do you guarantee product quality?

We implement full-process quality management. Each process is inspected after completion, and finished products undergo full final inspection according to customer requirements and international standards.

We have an advanced laboratory equipped with a full range of testing equipment, including spectrometers, coordinate measuring machines, and X-ray flaw detectors, ensuring comprehensive monitoring of chemical composition, mechanical properties, non-destructive testing, and geometric dimensions to deliver high-precision products.

What are the payment terms?

Trade terms (such as FOB, CIF, etc.) will be confirmed when quoting. For mass production, a 30% prepayment is usually required, with the balance paid upon presentation of a copy of the bill of lading. T/T is the primary payment method, but L/C can also be negotiated.

How are goods transported?

Our location is close to the port, and we primarily use sea freight, which is convenient and efficient. For urgent delivery, we can also arrange air freight through Ningbo or Shanghai airports.

Which markets are your products mainly exported to?

Our products are exported to more than 30 countries and regions worldwide, including the United States, Germany, Japan, Spain, Italy, the United Kingdom, South Korea, Australia, and Canada. We provide products and services to many Fortune 500 companies and well-known OEM customers.

Sheet Steel No.	Chemical Composition %

GCr15 SAE52100 JISSUJ2 DIN 100 Gr6	C	Si	Mn	P	S	Cr	Mo	Cu	Ni
	0.95-1.05	0.15-0.35	0.25-0.45	≤0.02	≤0.015	1.4-1.6	0-0.08	0.06-0.02	≤0.2

Sheet Steel No.	Chemical Composition %
Sheet Steel No.	Chemical Composition %
JIS G 3141 SPCC	C	Si	Mn	P	S	Ni	Cr
JIS G 3141 SPCC	<0.12		<0.5	<0.04	<0.045

Standard	Symbols	Chemical Composition %
Standard	Symbols	Cu	Zn	Mn	Fe	Al	Sn	Ni	Impurities (Pb)	Impurities (Si)
JIS H 5120	CAC301 (HBsC 1)	55.0 - 60.0	33.0 - 42.0	0.1 - 1.5	0.5 - 1.5	0.5 - 1.5	< 1.0	< 1.0	< 0.4	< 1.0
JIS H 3250	C 6782	56.0 - 60.5	Residual	0.1 - 1.5	0.5 - 1.5	0.5 - 1.5	-	-	< 0.5	-

Type	ASTM D1418 Designation	Temperature Range	(Shore A) Hardness	Features	Limitation
Nitrile (Buna)	NBR	(-40~250°F)	40~90	Low compression set, high tensile strength, and high abrasion resistance. Excellent resistance to petroleum-based oils and fuels.	Not recommended for very high temperature. Not recommended for exposure to sunlight and chemicals as acid, ether and esters.

Silicone	MQ/PMQ/VMQ/PVMP	(-94~400°F)	25~80	High temperature and dry heat resistance. High resistance to aging effects of both sunlight and ozone attach.	Low abrasion and tear resistance. High friction characteristics.

Hydrogenated Nitrile	HNBR/NEM	(-30~330°F)	50~90	The hydrogenation of Nitrile, heat resistance, tensile strength. Enhanced physical strength and chemical resistance.	Not recommended for very low temperature. Not recommended for exposure to sunlight and chemicals as acid, ether and esters.

Fluororubber	FKM/FPM	(-20~400°F)	50~95	Combining high temperature resistance with outstanding chemical resistance. Highly resistant to petroleum products, acids and silicone fluids.	Not recommended for situations requiring low temperature flexibility.

Polyacrylate	ACM Rubber	(0~350°F)	40~90	Excellent resistance to hot oil, sunlight and ozone degradation. Also features an enhanced ability to resist flex cracking.	Water resistance is lower. Not recommended for very low temperatures.

Country	Standard	Precision
China	GB 307.1	P0	P6	P5	P4
China	GB 307.1	P0	P6	P5	P4
Switzerland	SKF	P0	P6	P5	P4
Germany	DIN	P0	P6	P5	P4
Japan	JIS	P0	P6	P5	P4
USA	ANSI	ABEC1	ABEC3	ABEC5	ABEC7

d (mm)	d (mm)	Δ_dmp		Vdp²⁾(Diameter series 9)	Vdp(Diameter series 0,1)	Vdp(Diameter series 2,3,4)	V_dmp	K_ia	Δ_Bs	Δ_Bs	V_Bs
Over	Include	High	Low	Max			Max	Max	High	Low	Max
0.6^¹)	2.5	0	-8	10	8	6	6	10	0	-40	12
2.5	10	0	-8	10	8	6	6	10	0	-120	15
10	18	0	-8	10	8	6	6	10	0	-120	20
18	30	0	-10	13	10	8	8	13	0	-120	20
30	50	0	-12	15	12	9	9	15	0	-120	20
50	80	0	-15	19	19	11	11	20	0	-150	25
80	120	0	-20	25	25	15	15	25	0	-200	25

D (mm)	D (mm)	ΔDmp	ΔDmp	VDp²⁾(Open Bearing, Diameter series 9)	VDp²⁾(Open Bearing, Diameter series 0,1)	VDp²⁾(Open Bearing, Diameter series 2,3,4)	VDp²⁾(Closed Bearing, Diameter series 0,2,3,4)	V_dmp	K_ea	Δ_cs	Δ_cs	Δ_cs
Over	Include	High	Low	Max				Max	Max	High	Low	Max
2.5¹)	6	0	-7	9	7	7	9	5	8	same as the one bearing's inner ring V_BS and V_BS
6	18	0	-7	9	7	7	9	5	8
18	30	0	-8	10	8	8	10	6	9
30	50	0	-9	11	9	9	13	7	10
50	80	0	-11	14	11	11	16	8	13
80	120	0	-13	16	16	16	20	10	18
120	150	0	-15	19	19	19	25	11	20
150	180	0	-18	23	23	23	30	14	23
180	250	0	-20	25	25	25	-	15	25

Bore Diameter	V			V1			V2			V3			V4
mm	Low Frequency (L)	Medium Frequency (M)	High Frequency (H)	Low Frequency (L)	Medium Frequency (M)	High Frequency (H)	Low Frequency (L)	Medium Frequency (M)	High Frequency (H)	Low Frequency (L)	Medium Frequency (M)	High Frequency (H)	Low Frequency (L)	Medium Frequency (M)	High Frequency (H)
3,4	80	44	44	60	35	32	48	26	22	31	16	15	28	10	10
5,6	110	72	60	74	48	40	58	36	30	35	21	18	32	11	11
7,8,9	130	96	80	92	66	54	72	48	40	44	28	24	38	12	12
10,12	160	120	100	120	80	70	90	60	50	55	35	30	45	14	15
15	210	150	120	150	100	85	110	78	60	65	46	35	52	18	18
17	210	150	120	150	100	85	110	78	60	65	46	35	52	25	25
20	260	190	150	180	125	100	130	100	75	80	60	45	60	25	25
22,25	260	190	150	180	125	100	130	100	75	80	60	45	60	30	32
28	260	190	150	180	125	100	130	100	75	80	60	45	60	35	40
30,32	300	240	190	200	150	130	150	120	100	90	75	60	70	35	40
35	300	240	190	200	150	130	150	120	100	90	75	60	70	42	45
40	360	300	260	240	180	160	180	150	130	110	90	80	82	50	50
45	360	300	260	240	180	160	180	150	130	110	90	80	82	60	60
50	420	320	320	280	200	200	210	160	160	125	100	100	95	70	70

Bore Diameter	Diameter series (0)					Diameter series (2)					Diameter series (3)
(mm)	Z	Z1	Z2	Z3	Z4	Z	Z1	Z2	Z3	Z4	Z	Z1	Z2	Z3	Z4
3	35	34	32	28	28	36	35	32	30	26	37	36	33	31	27
4	35	34	32	28	28	36	35	32	30	26	37	36	33	31	27
5	37	36	34	30	30	38	37	34	32	28	39	37	35	33	29
6	37	36	34	30	26	38	37	34	32	28	39	37	35	33	29
7	39	38	35	31	27	40	38	36	34	29	41	39	37	35	30
8	39	38	35	31	27	40	38	36	34	29	41	39	37	35	30
9	41	40	36	32	28	42	40	37	35	30	43	41	39	37	32
10	43	42	38	33	28	44	42	39	35	30	46	44	40	37	32
12	44	43	39	34	29	45	43	39	35	30	47	45	40	37	32
15	45	44	40	35	30	46	44	41	36	31	48	46	42	38	33
17	46	44	40	35	30	47	45	41	36	31	49	47	42	38	33
20	47	45	41	36	31	48	46	42	38	33	50	48	43	39	34
22	47	45	41	36	31	48	46	42	38	33	50	48	43	39	34
25	48	46	42	38	34	49	47	43	40	36	51	49	44	41	37
28	49	47	43	39	35	50	48	44	41	37	52	50	45	42	38
30	49	47	43	39	35	50	48	44	41	37	52	50	45	42	38
32	50	48	44	40		51	49	45	42	38	53	51	46	43	39
35	51	49	45	41		52	50	46	43	39	54	52	47	44	40
40	53	51	46	42		54	52	47	44	40	56	54	49	45	41
45	55	53	48	45		56	54	49	46	43	58	56	51	47	44
50	57	54	50	47		58	55	51	48	45	60	57	53	49	46
55	59	56	52	49		60	57	53	50	47	62	59	54	51	48
60	61	58	54	51		62	59	54	51	48	64	61	56	53	50

Brand	Products	Base oil	Range of temperature use	Character
KYODO YUSHI	Multemp SRL	Polyol ester+Diester	-50~+150	Can effectively restrain the noise, prolong service life
	Multemp PS	Diester+Refined mineral oil	-50~+130	Suitable for low temperature, and restrain the noise effectively
	Multemp SM-B	Synthetic hydrocarbon	-50~+200	Long life in the high temperature operation, appropriate used in low temperature, low torque in high speed running, low noise
	Multemp ET-K	Synthetic ether+Polyol ester	-40≥~+200	High temperature condition continued work, having longer life
EXXON MOBILE	Polyrex EM	Mineral grease	-40~+180	Long life and resist to high temperature
	Beacon325	Synthetic grease	-54~+150	Common use grease
	Andok C	Petroleum oil	-27~+120	Move smoothly and when minimum sliding,has long service life.
	Mobil 28 (MIL-G-81322)	Synthetic hydrocarbon	-54~+177	Wide temperature range and low torque.
	Mobil HP	Lithium compounds	-30~+110	Moderate speed and inhibit the corrosion effectively.
CHEVRON	SRI-2	Mineral grease	-30~+180	Wide temperature range, waterproof effect is good.
SHELL	Alvania 2	Mineral grease	-35~+120	Long life and resist to high temperature
SHELL	RLQ #2	Mineral grease	-50~+150	Low noise, fast speed, and resistant high temperature.
DuPont	Krytox 240AC	Fluoride grease	-35~+290	Stability effect is good in high temperature,and lubrication effect is strong.
KLUBER	ASONIC	Synthetic hydrocarbon	-50~+140	Low noise, long life and low torque.
JINZHI	HANGU 2#	Mineral grease	-20~+120	Low noise
JINZHI	HTHS	Mineral grease	-40~+180	Fast speed, low temperature, small torque and low noise

Bore Diameter (mm)		C2		C0		C3		C4		C5
Over	To	Min	Max	Min	Max	Min	Max	Min	Max	Min	Max
2.5	6	0	7	2	13	8	23	-	-	-	-
6	10	0	7	2	13	8	23	14	29	20	37
10	18	0	9	3	18	11	25	18	33	25	45
18	24	0	10	5	20	13	28	20	36	28	48
24	30	1	11	5	20	13	28	23	41	30	53
30	40	1	11	6	20	15	33	28	46	40	64
40	50	1	11	6	23	18	36	30	51	45	73
50	65	1	15	8	28	23	43	38	61	55	90
65	80	1	15	10	30	25	51	46	71	65	105
80	100	1	18	12	36	30	58	53	84	75	120

Suffix	Internal Clearance
C2	< C0
C0	Common
C3	> C0
C4	> C3
C5	> C4

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