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JF Type Large Heavy Load Ball Screw

The JF Type Large Heavy Load Ball Screw is a specialized long-stroke, ultra-heavy-duty motion transmission component engineered to solve core manufacturing challenges of large heavy-load ball screws. Breaking through technical barriers in structural design, heat treatment, precision straightening, raceway forming and dynamic detection, this screw adopts a premium multi-path large-diameter 80-ball circulation structure. It delivers exceptional load capacity with 126 tons maximum dynamic load and 595 tons maximum static load. Backed by China’s first professional 10-meter ball screw production line and certified testing equipment, it ensures stable performance, high rigidity and reliable precision for heavy-duty industrial applications.

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Model:
JF series
Brand:
NANJING GONGYI

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Product Description

JF Type Large Heavy Load Ball Screw

Product Core Advantages

Long-length processing limitations and insufficient heavy-load bearing capacity have long been core bottlenecks restricting the production and practical application of large heavy-duty ball screws. The JF Type Large Heavy Load Ball Screw completely overcomes these industry pain points through full-process technical breakthroughs. Our team has independently mastered and optimized key core technologies covering overall structural design, professional heat treatment processing, high-precision mechanical straightening, precise raceway forming and full-standard dynamic performance detection, realizing comprehensive upgrades in the manufacturing of ultra-long heavy-load ball screws. Different from conventional standard ball screws, this JF Type heavy-load series features an exclusive multi-path large-diameter 80-ball circulation loop structure. This optimized force-bearing circulation design greatly enhances structural rigidity, pressure resistance and operational stability under extreme working conditions. It achieves an outstanding maximum rated dynamic load of 126 tons and a maximum rated static load of 595 tons, far exceeding the load performance of ordinary ball screw products. It effectively resists structural deformation, operational jitter and precision degradation during long-term continuous heavy-load operation, significantly improving the stability and service life of heavy industrial mechanical systems.

Wide Application Scenarios

Featuring ultra-high static and dynamic load resistance, superior structural rigidity and reliable long-stroke operation stability, the JF Type Large Heavy Load Ball Screw is tailored for harsh heavy-duty industrial working conditions that require super-large load capacity and ultra-long linear travel. It is widely applied in large heavy-duty CNC machine tools, heavy industrial forging and pressing equipment, large-scale automated mechanical systems, heavy engineering machinery and other high-load industrial manufacturing scenarios. Whether for long-distance precise positioning or high-frequency heavy-load linear transmission of super-large industrial equipment, this heavy-load ball screw maintains consistent and durable transmission performance, fully adapting to the high-rigidity and high-load operational demands of modern heavy industry.

Notes:

1.Kc is theoretical calculation value when preload Fp is 0.1Ca and axial load F is 0.3Ca.

2.When axial load F is not equal to 0.3Ca,

In formula:

K is rigidity value shown in Table.

3.This type ball screw can be used in high temperature working environment

Code and spec	Nominal diad。	Basiclead P_ho	Outer dia.of ball screw d₁	Ball dia. Dw	Bottom dia. of ball screw d₂	Number of circles n	Basic rated load		Mounting &connecting dimension									Code and spec.
Code and spec	Nominal diad。	Basiclead P_ho	Outer dia.of ball screw d₁	Ball dia. Dw	Bottom dia. of ball screw d₂	Number of circles n	Dynamic load C₂KN	Static load C_oaKN	Rigidity K C N/μm	D₁ (g6)	D2()	L₂	D₃	B	D₅	D₄	L₁	Code and spec.
JF8020-8	80	20	80	12.7	70.9	8	401.0	1212.1	4020	125	125	25	170	32	13.5	150	218	JF 8020-8
JF8025-5	80	25	80	12.7	70.9	5	267.1	756.3	2582	125	125	25	170	32	13.5	150	189	JF 8025-5
JF8025-8	80	25	80	12.7	70.9	8	400.2	1210.1	4046	125	125	25	170	32	13.5	150	264	JF 8025-8
JF8032-5	80	32	80	12.7	70.9	5	266.1	754.1	2590	125	125	25	170	36	13.5	150	231	JF 8032-5
JF8032-8	80	32	80	12.7	70.9	8	398.7	1206.6	4057	125	125	25	170	36	13.5	150	327	JF 8032-8

JF10020-5	100	20	97	12.7	87.9	5	297.0	954.3	3060	150	150	25	207	32	17.5	180	160	JF 10020-5
JF10020-8	100	20	97	12.7	87.9	8	444.9	1526.9	4795	150	150	25	207	32	17.5	180	220	JF 10020-8
JF10025-5	100	25	97	15.875	85.7	5	402.7	1182.0	3163	150	150	25	207	32	17.5	180	196	JF 10025-5
JF10025-8	100	25	97	15.875	85.7	8	603.3	1891.2	4956	150	150	25	207	32	17.5	180	271	JF 10025-8
JF10032-5	100	32	97	15.875	85.7	5	401.7	1179.7	3185	150	150	25	207	36	17.5	180	240	JF 10032-5
JF10032-8	100	32	97	15.875	85.7	8	601.8	1887.5	4990	150	150	25	207	36	17.5	180	336	JF 10032-8
JF10040-4	100	40	97	15.875	85.7	4	330.3	941.1	2580	150	150	40	207	36	17.5	180	238	JF 10040-4

JF12520-5	125	20	123.5	12.7	114.4	5	341.2	1298.3	3781	170	170	25	244	36	22	210	158	JF 12520-5
JF12520-8	125	20	123.5	12.7	114.4	8	511.2	2077.3	5929	170	170	25	244	36	22	210	218	JF 12520-8
JF12525-5	125	25	123.5	18.256	110.6	5	527.5	1669.3	3749	190	190	25	258	36	22	224	204	JF 12525-5
JF12525-8	125	25	123.5	18.256	110.6	8	790.2	2670.9	5876	190	190	25	258	36	22	224	279	JF 12525-8
JF12532-5	125	32	123.5	20.638	109.2	5	593.2	1746.6	3610	190	190	25	258	36	22	224	252	JF 12532-5
JF12532-8	125	32	123.5	20.638	109.2	8	888.7	2794.6	5656	190	190	25	258	36	22	224	348	JF 12532-8
JF12540-4	125	40	123.5	20.638	109.2	4	488.5	1394.9	2933	190	190	40	258	40	22	224	252	JF 12540-4

JF16020-5	160	20	156.5	12.7	147.4	5	380.6	1692.8	4621	220	220	25	294	40	22	260	163	JF 16020-5
JF16020-8	160	20	156.5	12.7	147.4	8	570.2	2708.5	7248	220	220	25	294	40	22	260	223	JF 16020-8
JF16025-5	160	25	156.5	18.256	143.6	5	591.2	2178.5	4581	240	240	40	314	40	22	280	201	JF 16025-5
JF16025-8	160	25	156.5	18.256	143.6	8	885.7	3485.6	7181	240	240	40	314	40	22	280	276	JF 16025-8
JF16032-5	160	32	156.5	20.638	142.2	5	688.7	2393.8	4612	240	240	40	314	40	22	280	241	JF 16032-5
JF16032-8	160	32	156.5	20.638	142.2	8	1031.7	3830.0	7228	240	240	40	314	40	22	280	337	JF 16032-8
JF16040-4	160	40	156.5	25.4	138.6	4	740.3	2270.5	3752	240	240	40	314	40	22	280	251	JF 16040-4

JF20025-5	200	25	196.5	18.256	183.6	5	669.6	2889.9	5582	280	280	40	349	50	22	315	195	JF 20025-5
JF20025-8	200	25	196.5	18.256	183.6	8	1003.2	4623.9	8755	280	280	40	349	50	22	315	270	JF 20025-8
JF20032-5	200	32	196.5	20.638	182.2	5	780.8	3172.9	5648	280	280	40	349	50	22	315	242	JF 20032-5
JF20032-8	200	32	196.5	20.638	182.2	8	1169.7	5076.6	8855	280	280	40	349	50	22	315	338	JF 20032-8
JF20040-4	200	40	196.5	25.4	178.6	4	850.6	3055.3	4721	300	300	40	369	50	22	335	252	JF 20040-4
JF20040-8	200	40	196.5	25.4	178.6	8	1543.9	6110.6	9159	300	300	40	369	50	22	335	412	JF 20040-8