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Short Pitch Precision Roller Chain (A Series) Simplex Roller Chains&Bushing Chains

Short Pitch Precision Roller Chain (A Series)

Maximize your industrial efficiency with our A-Series Short Pitch Precision Roller Chain. Engineered for high-speed precision and heavy-duty performance, this chain is more than just a component—it is the reliable pulse of your machinery. Whether you are operating high-speed packaging lines or heavy-duty agricultural equipment, our roller chains deliver the silence, strength, and longevity your operations demand.

Precision Engineered: Manufactured to strict ANSI B29.1 and ISO 606 standards.
Enhanced Durability: Shot-peened plates and pre-stretched assembly minimize initial elongation.
Versatile Configurations: Available in Simplex, Duplex, and Triplex strands to suit any torque requirement.
Superior Lubrication: Deep-dip lubrication ensures every bush and pin is protected from the first rotation.

Model:
A series
Brand:
PLW or Made to order
Code:
7315119000
Material:
Carbon Steel
Transport Package:
Plastic Bag+Carton Box+Plywood Case
Trademark:
PLW
Origin:
CHINA
Standard Or Nonstandard:
Standard
Type:
Roller chain

Availability:

Quantity:



Inquire Add to Basket

Product Description

Short Pitch Precision Roller Chain (A Series) - Standard Industrial Transmission Chain

Product Overview

A Series Short Pitch Precision Roller Chains are standard industrial transmission chains manufactured in full compliance with international ANSI/ASA industry specifications. Adopting advanced precision stamping, high-precision machining and professional heat treatment technology, this series of roller chains features compact pitch size, high dimensional accuracy, stable transmission performance and excellent interchangeability. With fine structural matching, low friction loss and reliable fatigue resistance, the A-series roller chains are the most versatile power transmission components for general industrial machinery. Suitable for high-speed, continuous and stable transmission scenarios, they are widely used in automated equipment, packaging machinery, agricultural equipment, textile machinery and general industrial production lines, serving as universal and cost-effective transmission solutions for global industrial supporting and aftermarket replacement markets.

Core Features & Advantages

1. Standard A-Series Industrial Specification & Universal Interchangeability

Strictly produced according to standard A-series dimensional standards, including complete specifications such as 04A, 06A, 08A, 10A, 12A, 16A, 20A and more. The chain pitch, roller diameter, pin size and inner/outer plate dimensions all conform to unified international standards. It features high versatility and perfect compatibility with standard A-series sprockets from mainstream brands, realizing direct plug-and-play replacement without equipment modification, which greatly improves replacement efficiency and reduces matching difficulty.

2. High Precision Manufacturing & Stable Transmission

Each chain plate, roller, pin and sleeve is processed by high-precision CNC machining and fine grinding, with ultra-tight tolerance control. The components fit seamlessly with uniform assembly clearance, ensuring smooth chain operation, accurate meshing and zero jitter. The short-pitch compact structure enables more stable power output during high-speed operation, effectively reducing transmission vibration, tooth jumping and power loss, achieving high-efficiency and consistent power transmission.

3. Excellent Wear Resistance & Long Service Life

Made of high-quality high-carbon alloy steel, all core moving parts undergo professional surface hardening and overall heat treatment. The high-hardness working surface effectively resists long-term high-speed friction and mechanical abrasion. Meanwhile, the surface is treated with anti-rust oil and anti-oxidation protection, which can resist daily air oxidation, dust erosion and mild humid environment corrosion. It effectively delays wear and elongation, maintaining stable precision after long-term operation and extending service life significantly compared with ordinary low-precision chains.

4. Low Noise & Low Vibration Operation

Optimized roller structure and precise meshing design greatly reduce impact and friction between the chain and sprocket during high-speed operation. The finely polished component surface eliminates rigid collision and abnormal friction noise, realizing low-noise and low-vibration transmission. It can meet the high-precision and low-noise operation requirements of automated production equipment, precision processing machinery and indoor industrial production lines, improving overall equipment operating texture and stability.

5. High Fatigue Resistance & Structural Toughness

Through scientific quenching and tempering heat treatment process, the chain balances high surface hardness and core structural toughness. It has outstanding anti-fatigue performance, capable of adapting to long-term high-speed continuous operation and frequent start-stop working cycles. It is not prone to elongation, loosening, fracture and fatigue damage under continuous cyclic load, with extremely low failure rate and high operational safety.

6. Easy Maintenance & High Cost Performance

The standardized modular structure is convenient for daily lubrication, cleaning and maintenance. With stable precision, low wear rate and long service life, it effectively reduces equipment downtime and frequent replacement costs. Featuring wide applicability, stable quality and affordable price, A-series short pitch precision roller chains provide excellent comprehensive cost performance for general industrial transmission scenarios.

Product Application

A Series Short Pitch Precision Roller Chains are widely used in general industrial power transmission and automated mechanical equipment. Typical application scenarios include automated production lines, packaging machinery, textile machinery, printing equipment, food processing machinery, light industrial transmission equipment, agricultural machinery, logistics conveying equipment and small and medium-sized mechanical transmission systems. It is the most universal standard transmission chain for high-speed, low-noise and stable operation requirements.

Quality Guarantee

All A-series short pitch precision roller chains pass strict factory inspection, including dimensional precision calibration, tensile strength testing, wear resistance testing and meshing performance testing. We implement full-process quality control from raw material selection, precision stamping, heat treatment strengthening to finished product finishing and lubrication packaging. All products comply with international industrial standards with stable quality and high durability, providing global customers with standardized, reliable and cost-effective industrial transmission chain solutions.

屏幕截图 2024-07-30 125220

Technical Specifications & Parameter Table

DIN/ISO CHAIN NO.	ANSI CHAIN NO.	Pitch	Roller diameter	Width between inner plates	Pin diameter	Pin length		Inner plate depth	Plate thickness	Ultimate tensile strength	Average tensile strength	Weight per meter
DIN/ISO Cadena No	ANSI Cadena No	Paso	Diámetro rodillo	Ancho interior	Diámetro pasador	Longitud pasador		Altura placas	Ancho placas	Resis. rotura	Resis. media tracción	Peso por metro
		P	d1 max	b1 min	d2 max	L max	Lc max	h2 max	T max	Q min	Qo	q
		mm	mm	mm	mm	mm	mm	mm	mm	kN/LB	kN	kg/m
*03C	*15	4.7625	2.48	2.38	1.62	6.10	6.90	4.30	0.60	1.80/409	2.0	0.08
*04C-1	*25	6.350	3.30	3.18	2.31	7.90	8.40	6.00	0.80	3.50/795	4.6	0.15
*06C-1	*35	9.525	5.08	4.77	3.58	12.40	13.17	9.00	1.30	7.90/1795	10.8	0.33
085-1	41	12.700	7.77	6.25	3.58	13.75	15.00	9.91	1.30	6.67/1516	12.6	0.41
08A-1	40	12.700	7.95	7.85	3.96	16.60	17.80	12.00	1.50	14.10/3205	17.5	0.62
10A-1	50	15.875	10.16	9.40	5.08	20.70	22.20	15.09	2.03	22.20/5045	29.4	1.02
12A-1	60	19.050	11.91	12.57	5.94	25.90	27.70	18.00	2.42	31.80/7227	41.5	1.50
16A-1	80	25.400	15.88	15.75	7.92	32.70	35.00	24.00	3.25	56.70/12886	69.4	2.60
20A-1	100	31.750	19.05	18.90	9.53	40.40	44.70	30.00	4.00	88.50/20114	109.2	3.91
24A-1	120	38.100	22.23	25.22	11.10	50.30	54.30	35.70	4.80	127.00/28864	156.3	5.62
28A-1	140	44.450	25.40	25.22	12.70	54.40	59.00	41.00	5.60	172.40/39182	212.0	7.50
32A-1	160	50.800	28.58	31.55	14.27	64.80	69.60	47.80	6.40	226.80/51545	278.9	10.10
36A-1	180	57.150	35.71	35.48	17.46	72.80	78.60	53.60	7.20	280.20/63682	341.8	13.45
40A-1	200	63.500	39.68	37.85	19.85	80.30	87.20	60.00	8.00	353.80/80409	431.6	16.15
48A-1	240	76.200	47.63	47.35	23.81	95.50	103.00	72.39	9.50	510.30/115977	622.5	23.20

Roller Chains

DIN/ISO CHAIN NO.	ANSI CHAIN NO.	Pitch	Roller diameter	Width between inner plates	Pin diameter	Pin length		Inner plate depth	Plate thickness	Transverse pitch	Ultimate tensile strength	Average tensile strength	Weight per meter
DIN/ISO Cadena No	ANSI Cadena No	Paso	Diámetro rodillo	Ancho interior	Diámetro pasador	Longitud pasador		Altura placas	Ancho placas	Paso transversal	Resis. rotura	Resis. media tracción	Peso por metro
		P	d1 max	b1 min	d2 max	L max	Lc max	h2 max	T max	Pt	Q min	Qo	q
		mm	mm	mm	mm	mm	mm	mm	mm	mm	kN/LB	KN	kg/m
*04C-2	*25-2	6.350	3.30	3.18	2.31	14.5	15.0	6.00	0.80	6.40	7.00/1591	8.6	0.28
*06C-2	*35-2	9.525	5.08	4.77	3.58	22.5	23.3	9.00	1.30	10.13	15.80/3591	19.7	0.63
085-2	41-2	12.700	7.77	6.25	3.58	25.7	26.9	9.91	1.30	11.95	13.34/3032	16.9	0.81
08A-2	40-2	12.700	7.95	7.85	3.96	31.0	32.2	12.00	1.50	14.38	28.20/6409	35.9	1.12
10A-2	50-2	15.875	10.16	9.40	5.08	38.9	40.4	15.09	2.03	18.11	44.40/10091	58.1	2.00
12A-2	60-2	19.050	11.91	12.57	5.94	48.8	50.5	18.00	2.42	22.78	63.60/14455	82.1	2.92
16A-2	80-2	25.400	15.88	15.75	7.92	62.7	64.3	24.00	3.25	29.29	133.40/25773	141.8	5.15
20A-2	100-2	31.750	19.05	18.90	9.53	76.4	80.5	30.00	4.00	35.76	177.00/40227	219.4	7.80
24A-2	120-2	38.100	22.23	25.22	11.10	95.8	99.7	35.70	4.80	45.44	254.00/57727	314.9	11.70
28A-2	140-2	44.450	25.40	25.22	12.70	103.3	107.9	41.00	5.60	48.87	344.80/78364	427.5	15.14
32A-2	160-2	50.800	28.58	31.55	14.27	123.3	128.1	47.80	6.40	58.55	453.60/103091	562.4	20.14
36A-2	180-2	57.150	35.71	35.48	17.46	138.6	144.4	53.60	7.20	65.84	560.50/127386	695.0	29.22
40A-2	200-2	63.500	39.68	37.85	19.85	151.9	158.8	60.00	8.00	71.55	707.60/160818	877.4	32.24
48A-2	240-2	76.200	47.63	47.35	23.81	183.4	190.8	72.39	9.50	87.83	1020.60/213955	1255.3	45.23

屏幕截图 2025-12-04 155353

DIN/ISO CHAIN NO.	ANSI CHAIN NO.	Pitch	Roller diameter	Width between inner plates	Pin diameter	Pin length		Inner plate depth	Plate thickness	Transverse pitch	Ultimate tensile strength	Average tensile strength	Weight per meter
DIN/ISO Cadena No	ANSI Cadena No	Paso	Diámetro rodillo	Ancho interior	Diámetro pasador	Longitud pasador		Altura placas	Ancho placas	Paso transversal	Resis. rotura	Resis. media tracción	Peso por metro
		P	d1 max	b1 min	d2 max	L max	Lc max	h2 max	T max	Pt	Q min	Q0	q
		mm	mm	mm	mm	mm	mm	mm	mm	mm	kN/LB	kN	kg/m
*04C-3	*25-3	6.350	3.30	3.18	2.31	21.0	21.5	6.00	0.80	6.40	10.5/2386	12.6	0.44
*06C-3	*35-3	9.525	5.08	4.77	3.58	32.7	33.5	9.00	1.30	10.13	23.7/5386	28.6	1.05
08A-3	40-3	12.700	7.95	7.85	3.96	45.4	46.6	12.00	1.50	14.38	42.3/9614	50.0	1.90
10A-3	50-3	15.875	10.16	9.40	5.08	57.0	58.5	15.09	2.03	18.11	66.6/15136	77.8	3.09
12A-3	60-3	19.050	11.91	12.57	5.94	71.5	73.3	18.00	2.42	22.78	95.4/21682	111.1	4.54
16A-3	80-3	25.400	15.88	15.75	7.92	91.7	93.6	24.00	3.25	29.29	170.1/38659	198.4	7.89
20A-3	100-3	31.750	19.05	18.90	9.53	112.2	116.3	30.00	4.00	35.76	265.5/60341	309.6	11.77
24A-3	120-3	38.100	22.23	25.22	11.10	141.4	145.2	35.70	4.80	45.44	381.0/86591	437.2	17.53
28A-3	140-3	44.450	25.40	25.22	12.70	152.2	156.8	41.00	5.60	48.87	517.2/117545	593.3	22.20
32A-3	160-3	50.800	28.58	31.55	14.27	181.8	186.6	47.80	6.40	58.55	680.4/154636	780.6	30.02
36A-3	180-3	57.150	35.71	35.48	17.46	204.4	210.2	53.60	7.20	65.84	840.7/191068	983.6	38.22
40A-3	200-3	63.500	39.68	37.85	19.85	223.5	230.4	60.00	8.00	71.55	1061.4/241227	1217.8	49.03
48A-3	240-3	76.200	47.63	47.35	23.81	271.3	278.6	72.39	9.50	87.83	1530.9/347932	1756.5	71.60

4-1

DIN/ISO CHAIN NO.	ANSI CHAIN NO.	Pitch	Roller diameter	Width between inner plates	Pin diameter	Pin length		Inner plate depth	Plate thickness	Transverse pitch	Ultimate tensile strength	Average tensile strength	Weight per meter
PLW Cadena No	ANSI Cadena No	Paso	Diámetro rodillo	Ancho interior	Diámetro pasador	Longitud pasador		Altura placas	Ancho placas	Paso transversal	Resis.rotura	Resis. media tracción	Peso por metro
		P	d1 max	b1 min	d2 max	L max	Lc max	h2 max	T max	Pt	Q min	Qo	q
		mm	mm	mm	mm	mm	mm	mm	mm	mm	Kn/LB	Kn	Kg/m
08A-4	40-4	12.700	7.95	7.85	3.96	59.8	61.0	12.00	1.50	14.38	56.4/12687	62.04	2.57
10A-4	50-4	15.875	10.16	9.40	5.08	75.1	76.6	15.09	2.03	18.11	88.8/19976	97.68	4.30
12A-4	60-4	19.050	11.91	12.57	5.94	94.4	96.1	18.00	2.42	22.78	127.2/28614	139.92	6.21
16A-4	80-4	25.400	15.88	15.75	7.92	121.0	124.4	24.00	3.25	29.29	226.8/51020	249.48	10.37
20A-4	100-4	31.750	19.05	18.90	9.53	147.8	152.1	30.00	4.00	35.76	354/79635	389.40	15.60
24A-4	120-4	38.100	22.23	25.22	11.10	187.0	190.8	35.70	4.80	45.44	508/114278	558.80	23.56
08A-5	40-5	12.700	7.95	7.85	3.96	74.2	75.4	12.00	1.50	14.38	70.5/15859	77.55	3.19
10A-5	50-5	15.875	10.16	9.40	5.08	93.2	94.7	15.09	2.03	18.11	111/24970	122.10	5.37
12A-5	60-5	19.050	11.91	12.57	5.94	117.0	118.8	18.00	2.42	22.78	159/35768	174.90	7.75
16A-5	80-5	25.400	15.88	15.75	7.92	149.9	153.7	24.00	3.25	29.29	283.5/63775	311.85	12.96
20A-5	100-5	31.750	19.05	18.90	9.53	183.6	187.9	30.00	4.00	35.76	442.5/99543	486.75	19.46
24A-5	120-5	38.100	22.23	25.22	11.10	232.3	236.1	35.70	4.80	45.44	635/142848	698.50	29.40
08A-6	40-6	12.700	7.95	7.85	3.96	88.5	89.8	12.00	1.50	14.38	84.6/19031	93.06	3.83
10A-6	50-6	15.875	10.16	9.40	5.08	111.3	112.8	15.09	2.03	18.11	133.2/29964	146.52	6.43
12A-6	60-6	19.050	11.91	12.57	5.94	139.8	141.8	18.00	2.42	22.78	190.8/42921	209.80	9.31
16A-6	80-6	25.400	15.88	15.75	7.92	179.2	183.0	24.00	3.25	29.29	340.2/76530	374.22	15.50
20A-6	100-6	31.750	19.05	18.90	9.53	219.4	223.7	30.00	4.00	35.76	531/119452	584.10	23.36
24A-6	120-6	38.100	22.23	25.22	11.10	278.0	282.0	35.70	4.80	45.44	762/171417	838.20	35.30
08A-8	40-8	12.700	7.95	7.85	3.96	117.3	118.5	12.00	1.50	14.38	112.8/25375	124.08	5.11
10A-8	50-8	15.875	10.16	9.40	5.08	147.5	149.0	15.09	2.03	18.11	177.6/39952	195.36	8.59

Frequently Asked Questions (FAQ)

Q: What is the difference between A-Series and B-Series roller chains?

A: A-Series (ANSI) chains follow American standards and typically have a smaller pin diameter and different plate thickness compared to the European B-Series (ISO/DIN). They are generally preferred for higher-speed applications in North America and Asia.

Q: Can I use your carbon steel chain in a wash-down environment?

A: For environments with frequent moisture or chemical exposure, we recommend our Stainless Steel (304/316) series or our Dacromet-coated chains, which provide superior corrosion resistance compared to standard carbon steel.

Q: How do I know when it is time to replace my roller chain?

A: The most reliable method is measuring "stretch." If the chain has elongated by more than 2% of its original pitch length, it will no longer seat correctly on the sprocket teeth and should be replaced immediately to avoid system failure.

Q: Are your chains compatible with standard sprockets?

A: Yes, our A-Series chains are designed to be fully interchangeable with any standard ANSI-specification sprockets, ensuring a hassle-free replacement process.

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