Heavy-duty Roller Chain Coupling for steel mills, cranes, mining and port equipment — Select a thumbnail. Hover or tap the main image to inspect details.

Select a thumbnail. Hover or tap the main image to inspect details.

Industrial Coupling

Roller Chain Coupling

Designed for low-speed chain conveyors, compact drives and general machinery; compact structure, convenient installation and economical replacement.

Chain meshing torque transmission
Suitable for larger shaft spacing
Reliable torque transmission

Series: GL / KC
Model entries: 41
HTML tables: 2
Drawings / files: 4

Upload Drawing & Get Quote Ask on WhatsApp View Model Tables

No drawing? Send old coupling photos, nameplate details and shaft dimensions.

Documented engineering data

Product Overview and Application Boundary

A roller chain coupling consists of two sprockets, duplex roller chain, a cover and lubrication components. Torque is transmitted through meshing between the sprockets and chain. The structure is compact, easy to install and can tolerate moderate installation error, making it suitable for low- and medium-speed drives with relatively high torque and simple maintenance conditions. Typical applications include chain conveyors, mixers, small crushers, packaging machinery and general auxiliary equipment. Selection should confirm chain size, allowable torque, speed, bore, keyway, cover requirement, lubrication method and site dust condition.

Typical use

Recommended for low-speed chain conveyors, compact drives and general machinery.

Selection focus

Confirm torque, speed, shaft diameter, keyway, service factor, misalignment and working environment before selection.

Custom options

Bore, keyway, material, heat treatment, dynamic balancing, surface treatment and export packing can be customized.

Material and inspection

Common materials include 45 steel, 42CrMo or project-specified grades; inspection records can be supplied on request.

Manufacturing Control

Machining, Heat Treatment and Inspection Process for Roller Chain Coupling

This route follows Roller Chain Coupling from drawing and material review through blank preparation, CNC rough machining, feature machining, heat treatment, reinspection, finish machining, assembly and final release. The approved drawing determines the exact material and treatment route.

Manufacturing and inspection flowchart for Roller Chain Coupling — Typical machining and heat-treatment route for Roller Chain Coupling; drawing-specific operations are released only after technical approval.

01. Drive data and drawing review: Confirm torque, speed, shaft interfaces, alignment allowance, acceptance criteria and the approved drawing before release.
02. Material certificate and blank inspection: Verify material identity, certificate, heat number, blank dimensions and the specified forging, casting or bar-stock route.
03. Saw cutting and forging/casting blank preparation: Saw-cut the stock or prepare the forging/casting blank, remove scale, transfer traceability marks and retain machining allowance.
04. CNC rough turning of faces, diameters and bores: Use CNC or vertical lathes to rough-turn faces, outside diameters, bores and datum shoulders, leaving allowance for heat-treatment distortion and finishing.
05. Sprocket tooth hobbing/milling and profile inspection: Machine the named teeth, grooves, holes, splines or mechanism features by turning, milling, hobbing, shaping, drilling, boring or grinding as specified.
06. Roller-chain pitch, sprocket fit and cover-interface check: Verify dimensions, runout, tooth or component fit and controlled assembly; record lubrication, fastener, balance or functional checks applicable to the product.
07. Sprocket tooth induction/case hardening to drawing: Induction or case harden sprocket teeth where specified; normalize or quench-and-temper the hub if required, then temper and protect cover and seal fits.
08. Hardness, distortion and NDT reinspection: Check hardness, effective case where applicable, distortion and surface condition; perform UT, MT or PT when required before final machining.
09. Bore, keyway and seal-seat finishing: Finish-turn or grind datum faces and fits, then bore the shaft holes and machine keyways, splines, seal seats or mounting interfaces to the approved tolerances.
10. Chain fit, cover and lubrication inspection: Verify dimensions, runout, tooth or component fit and controlled assembly; record lubrication, fastener, balance or functional checks applicable to the product.
11. Final inspection, marking and release: Complete final inspection, traceability marking, rust protection and packing only after the required records and acceptance results are complete.

Documented engineering data

Selection Information to Confirm

Final model selection is based on the actual drive data and approved drawing. Provide the items you already know; unknown values can be reviewed by engineering.

Upload Drawing & Get Quote

01Required torque or motor power and service factor
02Operating speed, peak load, starts and reversing duty
03Shaft diameters d1/d2, keyways and fit requirements
04DBSE, overall length and available installation space
05Temperature, dust, moisture, corrosion and maintenance access
06Existing drawing, old part photo, nameplate or measured dimensions

Documented engineering data

Model and Dimension Data

Use each catalogue drawing together with its HTML table. Final torque, speed, bore, material and fit remain subject to the approved project drawing.

GL Roller Chain Coupling data sheet

Source: GB6069-85

GL Roller Chain Coupling dimension drawing with bore, outside diameter, length and installation confirmation points — Dimension points to confirm

On smaller screens, swipe horizontally or view the compact model cards.

Model	Nominal torque Tn N·m	Allowable speed n r/min		Bore diameter	Bore length L		Chain No.	Main dimensions mm					Weight kg
Model	Nominal torque Tn N·m	Without cover	With cover	Bore diameter	Y type L	J type L1	Chain No.	D	bn	S	D1	Max single-shell size Dk×Lk	Weight kg
GL1	40	1400	4500	16-20	42-52	38	TG95×2	51.06	5.3	4.9	35	70×70	0.5
GL2	63	1250	4500	19-24	42-52	38	TG95×2	57.08	5.3	4.9	38	75×75	0.8
GL3	100	1000	4000	20-25	52-62	38-44	TG127×2	68.88	7.2	6.7	40	85×80	1.2
GL4	160	1000	4000	24-32	52-82	44-60	TG127×2	79.61	7.2	6.7	50	95×88	2
GL5	250	800	3150	28-40	62-112	60-84	TG158×2	94.46	8.9	9.2	60	112×100	3.5
GL6	400	630	2500	32-50	82-112	60-84	TG158×2	116.57	8.9	9.2	70	140×105	5
GL7	630	630	2500	40-60	112-142	84-107	TG190×2	127.78	11.9	10.9	85	150×122	8
GL8	1000	500	2240	45-70	112-142	84-107	TG254×2	154.33	15	14.3	110	180×135	12
GL9	1600	400	2000	50-80	112-172	84-132	TG254×2	186.5	15	14.3	120	215×145	20
GL10	2500	315	1600	65-90	142-172	107-132	TG317×2	213.02	18	17.8	140	245×165	27
GL11	4000	250	1500	75-100	142-212	107-167	TG381×2	231.49	24	21.5	160	270×195	40
GL12	6300	250	1250	85-120	172-212	132-167	TG444×2	270.08	24	24.9	170	310×205	60
GL13	10000	200	1120	100-140	212-252	167-202	TG508×2	340.8	30	28.6	200	380×230	88
GL14	16000	200	1000	120-160	212-302	167-242	TG508×2	405.22	30	28.6	220	450×250	152
GL15	25000	200	900	140-190	252-352	202-282	TG635×2	466.25	36	35.6	280	510×285	235

KC Roller Chain Coupling data sheet

Source: KC series sprocket-chain coupling

KC Roller Chain Coupling dimension drawing with bore, outside diameter, length and installation confirmation points — Dimension points to confirm

On smaller screens, swipe horizontally or view the compact model cards.

Model	Nominal torque N·m	Allowable speed n r/min	Main dimensions mm							Moment of inertia kg·m²	Weight kg
Model	Nominal torque N·m	Allowable speed n r/min	dmax	D	D1	S	L	Dk	Lk	Moment of inertia kg·m²	Weight kg
KC3812	190	5000	16	45	25	4.9	30	59	61	5.6×10⁻⁵	0.6
KC4012	249	4800	22	62	35	7.4	36	75	75	2.47×10⁻⁴	1.0
KC4014	329	4800	28	69	43	7.4	36	84	75	4.53×10⁻⁴	1.32
KC4016	419	4800	32	77	50	7.4	40	92	75	7.90×10⁻⁴	1.9
KC5014	620	4800	35	86	53	9.7	45	101	85	1.37×10⁻³	2.7
KC5016	761	3600	40	96	60	9.7	45	110	85	2.18×10⁻³	3.4
KC5018	989	3600	45	106	70	9.7	45	122	85	3.53×10⁻³	4.4
KC6018	1810	3000	56	127	85	11.5	56	142	105	9.33×10⁻³	7.8
KC6020	2210	2500	60	139	100	11.5	56	158	105	2.10×10⁻²	10.4
KC6022	2610	2500	71	152	110	11.5	56	168	105	2.16×10⁻²	12.4
KC8018	3920	2000	80	170	115	15.2	63	186	130	3.63×10⁻²	15.2
KC8020	4800	2000	90	185	121	15.2	65	210	130	7.20×10⁻²	20.2
KC8022	5640	1800	100	203	140	15.2	71	220	130	8.00×10⁻²	26.1
KC10020	8400	1800	110	233	160	18.8	80	250	148	1.61×10⁻¹	39.1
KC12018	12700	1500	125	256	170	22.7	90	307	191	2.68×10⁻¹	52.6
KC12022	18300	1250	140	304	210	22.7	100	357	191	5.93×10⁻¹	79.4
KC16018	26400	1100	160	341	224	30.1	112	425	250	1.05	110.7
KC16022	38100	1000	200	405	280	30.1	140	475	250	2.50	191.8
KC20018	54100	800	205	426	294	37.5	241	496	300	4.60	323.4
KC20022	77800	600	260	507	374	37.5	241	578	300	1.07×10¹	507.8
KC24022	137000	600	310	608	420	45.1	353	650	350	2.7×10¹	958.5
KC24026	186000	500	380	705	520	45.1	353	745	350	5.70×10¹	1403.6
KC32022	261000	50	430	806	570	60.1	400			1.08×10²	1970
KC40020	494000	50	470	932	640	75.6	512			2.92×10²	3149
KC40024	602000	50	590	1093	800	75.6	512			4.95×10²	4724
KC40028	717000	50	700	1255	960	75.6	512			9.47×10²	6620

Documented engineering data

Product Documents and Drawing Files

Only files currently linked to this product are listed. Request the required model if the correct revision is not shown.

PDFGL Roller Chain Coupling catalogue (GB6069-85) PDFOpen file PDFKC Roller Chain Coupling catalogue PDFOpen file

Documented engineering data

Selection Guides and Technical Articles

Roller Chain Coupling for Low Speed Chain Conveyor | Selection GuideRoller Chain Coupling selection for low-speed chain conveyor: torque, speed, bore, keyway, load, alignment, maintenance…

FAQ

Product Selection FAQ

Can the Roller Chain Coupling be customized from a drawing or old part?

Yes. We can confirm bore, keyway, material, heat treatment, balancing grade, surface treatment and export packing by drawing or old part photos.

What information is needed before quotation?

Please send torque or motor power, speed, shaft diameter, keyway, equipment type, working condition, quantity, drawings or old coupling photos.

Can it replace an imported coupling brand?

Replacement is evaluated after checking dimensions, torque, material, installation space and working condition. Final drawings should be confirmed before production.

What applications are a good fit for the Roller Chain Coupling?

Recommended for low-speed chain conveyors, compact drives and general machinery.

What should be checked during installation and maintenance?

Check sprocket alignment, bore and keyway fit, chain engagement, cover sealing and lubrication. Inspect chain elongation, sprocket tooth wear and lubricant contamination during maintenance.

Engineering data

Send an Engineering RFQ

Complete the contact step first, then add the operating data you already know. Unknown engineering values do not block submission.

Contact

Name Company Country Work email WhatsApp / Phone

Upload Drawing & Get Quote Ask on WhatsApp

Roller Chain Coupling

Product Overview and Application Boundary

Typical use

Selection focus

Custom options

Material and inspection

Selection Information to Confirm

Model and Dimension Data

GL Roller Chain Coupling data sheet

KC Roller Chain Coupling data sheet

Product Documents and Drawing Files

Related and Alternative Products

Selection Guides and Technical Articles

Product Selection FAQ

Send an Engineering RFQ