A one-way clutch is a clutch mechanism that transmits power in only one direction, and GMN uses a sprag-type mechanism.

Idle direction Power transmission direction

The friction force generated when the uniquely designed sprag is upright around the entire circumference controls the direction of rotation. Since a static friction force is generated around the entire circumference, both high torque and space saving are achieved.

The slight rotation of the tilt angle of δ minutes makes the splug stand upright.

There are two types of spring structures that fix the splugs, Z type and M type, and use the M type for applications where the angular frequency (angular frequency) is greater than 10 Hz.

You can choose the best clutch from a variety of designs + options.

Components:
Sprags
Spring: tension spring
Cage: steel / plastic
Lubrication:
Oil or grease
Width/installed width:
11 mm / 12 mm
Operating temperature:
max. 170°C (steel cage)
max. 140°C (plastic cage)
(Pg. 46–47

FE 400 M type (insert element)

Specifications

Mounting dimensions: 12 mm (axial)
Shaft diameter: 14~80 mm
Heat resistance: up to 170°C
Index feed cycle: up to 60 Hz
Lubrication: oil or grease

Recommended Finish Tolerance

Axis: h5
Housing: H6

Recommended Finish Tolerances

Axis / Housing: Steel, HRC 60⁺⁴ (HV 700⁺¹⁰⁰)
Ehd ≥ 1.3 mm, Rz ≤ 2.5 μm
FE 400 M Type Model List

Model No.	d [mm]	D [mm]	W [mm]	Tnom [Nm]	nmax [min-1]	Weight [kg]
FE 422 M	14	22	12	59	10,100	0.011
FE 423 M	15	23	12	66	9,200	0.012
FE 425 M	17	25	12	79	8,100	0.013
FE 427 M	19	27	12	92	7,400	0.014
FE 428 M	20	28	12	99	7,500	0.014
FE 430 M	22	30	12	114	6,300	0.016
FE 432 M	24	32	12	128	5,900	0.016
FE 433 M	25	33	12	140	6,000	0.017
FE 435 M	27	35	12	153	5,100	0.018
FE 437 M	29	37	12	169	4,800	0.019
FE 438 M	30	38	12	178	4,900	0.020
FE 442 M	34	42	12	213	4,200	0.022
FE 443 M	35	43	12	224	4,300	0.023
FE 448 M	40	48	12	271	4,300	0.025
FE 453 M	45	53	12	321	3,400	0.028
FE 458 M	50	58	12	372	3,400	0.031
FE 459 M	51	59	12	381	3,000	0.032
FE 463 M	55	63	12	426	2,900	0.035
FE 468 M	60	68	12	481	2,700	0.036
FE 470 M	62	70	12	505	2,600	0.037
FE 473 M	65	73	12	538	2,500	0.040
FE 478 M	70	78	12	596	2,600	0.043
FE 488 M	80	88	12	715	2,100	0.048