Industrial Overrunning Clutch Bearing & Sprag Overrunning Clutch Manufacturer

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CKF One Way Roller Type Bearing Overrunning Clutch Bearing for Industry

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CKF One Way Roller Type Bearing Overrunning Clutch Bearing for Industry

CKF Series – The Ultimate Overrunning Clutch Bearing Solution

The CKF series is a non-contact type overrunning clutch bearing designed for high-speed industrial applications. Unlike traditional one way needle roller bearing designs, our CKF features a precision-engineered sprag system that ensures instantaneous engagement and disengagement.

Whether used as a sprag overrunning clutch for wind turbines or as a backstop for conveyors, this bearing delivers exceptional torque capacity and long service life. The non-contact design minimizes wear during overrunning, making it ideal for continuous high-speed operation.

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CKF One Way Roller Type Bearing Overrunning Clutch Bearing for Industry

CKF Series – The Ultimate Overrunning Clutch Bearing Solution

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Product Detail

Features:

CKF-A is a non-contact one way sprag clutch bearing. The inner ring is designed for unidirectional function without bearing support. Sprag clutch bearing must be installed to ensure the coaxiality of the inner ring and outer ring when used.

When this overrunning clutch bearing is used for backstopping (preventing reversal), operators must verify that the overrunning speed meets or exceeds the minimum allowable value specified in the technical table below. This ensures reliable disengagement of the internal sprag mechanism during high-speed operation.

The CKF series sprag overrunning clutch is primarily engineered for high-speed backstopping applications where reliable reverse prevention is critical. It also functions as a high-performance overrunning clutch bearing for freewheeling operations and can be utilized in low-speed indexing or wedge drive switching mechanisms. The precision-engineered internal components operate similarly to a heavy-duty one way needle roller bearing, delivering instantaneous wedge engagement without backlash.

Dimensions and Capacities:

CKF Series Specifications – Choose Your Overrunning Clutch Bearing

Browse our complete range of CKF overrunning clutch bearings below. Each model functions as a heavy-duty one way needle roller bearing suitable for backstopping and overrunning applications. The table includes torque ratings and speed limits for each sprag overrunning clutch configuration.

Type	Torque Nm	Overrunning Limited Speed r/min		d[H7]	D[h7]	e[H7]	F	G	C	B	A	n-d1	bn*tn	Weight [kg]
Type	Torque Nm	out race	inner race	d[H7]	D[h7]	e[H7]	F	G	C	B	A	n-d1	bn*tn	Weight [kg]
CFK-A2090	140	875	6000	20	90	66	78	36	35	35	25	6-6.6	6×2.8	1.50
CFK-A2595	190	825	6000	25	95	70	82	40	35	35	25	6-6.6	8×3.3	1.60
CFK-A30102	340	780	6000	30	102	75	87	45	40	40	30	6-6.6	8×3.3	1.80
CFK-A35110	425	740	6000	35	110	82	96	52	40	40	30	6-6.6	10×3.3	2.10
CFK-A40125	625	720	5000	40	125	92	108	62	40	40	30	8-6.6	12×3.3	2.90
CFK-A45130	715	665	5000	45	130	94	112	64	40	40	30	8-9.0	14×3.8	3.10
CFK-A50150	1120	610	4000	50	150	114	132	84	40	40	30	8-9.0	14×3.8	4.70
CFK-A55160	1300	600	4000	55	160	116	138	86	45	45	34	8-9.0	16×4.3	5.40
CFK-A60175	1500	490	3200	60	175	135	155	95	70	60	47	8-11.0	18×4.4	8.5
CFK-A70190	2250	480	3200	70	190	140	165	100	70	60	47	12-11.0	20×4.9	10
CFK-A80210	3000	450	2400	80	210	160	185	120	80	70	48	12-11.0	22×5.4	14
CFK-A90230	4600	420	2400	90	230	180	206	140	90	80	67	12-13.5	25×5.4	19
CFK-A100280	7600	455	2000	100	280	200	240	160	105	100	67	12-17.5	28×6.4	34
CFK-A130320	13600	415	2000	130	320	235	278	195	105	100	67	12-17.5	32×7.4	44
CFK-A150400	24500	365	2000	150	400	320	360	256	105	100	86	12-17.5	36×8.4	73

Industrial Applications for CKF Overrunning Clutch Bearing

Conveyor Systems (Backstopping)

Used as a sprag overrunning clutch on conveyor head shafts to prevent reverse rotation during power failures, protecting equipment and materials.

Wind Turbines & Fans (Overrunning)

Functions as an overrunning clutch bearing in dual-drive systems, allowing the slower drive to disengage automatically for energy savings.

Packaging Machinery (Indexing)

Acts as a precision one way needle roller bearing in intermittent motion mechanisms, ensuring accurate positioning and high-speed cycling.

Mining Equipment (Holdback)

Provides reliable holdback function as a heavy-duty sprag overrunning clutch in bucket elevators and apron feeders.

Product display:

CKF series overrunning clutch bearing

Why TIANNIU for Your Overrunning Clutch Bearing Needs?

As a professional overrunning clutch bearing manufacturer, TIANNIU offers the CKF series – a versatile solution that combines the functions of a one way needle roller bearing and a durable sprag overrunning clutch. Our bearings are engineered for demanding industrial environments, providing reliable backstopping, overrunning, and indexing capabilities. With a wide range of sizes from 20mm to 150mm bore, we have the right overrunning clutch bearing for your application. Contact us today for OEM services or technical support.