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Backstop freewheel clutch RIZ...G2G3 RIZ...G3G4

The Types RIZ-G2G3 and RIZ-G3G4 are precision-engineered backstop freewheel clutches designed for reliable overrunning and backstopping. These robust clutches effectively prevent reverse rotation, ensuring operational safety in applications like conveyor systems and gearboxes. They are built for durability and smooth engagement, offering excellent performance in medium to high torque scenarios.

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Product Detail

Backstop freewheel clutch RIZ...G2G3 RIZ...G3G4

Backstop freewheel clutch Features

Our Backstop Freewheel Clutches, models RIZ-G2G3 and RIZ-G3G4, are self-contained units ready for immediate installation. Pre-lubricated and equipped with G-type covers for enhanced protection, they operate reliably in both horizontal and vertical orientations. Key installation notes: ensure the overrunning speed meets the minimum specification (critical for variable speed drives), and correctly fit the torque arm with 1-3% radial clearance, avoiding axial load. Designed for seamless integration and durable performance.

Different types of Backstop freewheel clutch RIZ...G2G3 RIZ...G3G4

Type	Size		Speeds									Weight
RIZ..G2G3 RIZ..G3G4	d^H7	T_KN¹⁾	n_max²⁾	n_imin³⁾	D	D₂	C	L ₁	L₂	L₃	f
	[mm]	[Nm]	[min-1 ]	[min-1 ]	[mm]	[mm]	[mm]	[mm]	[mm]	[mm]	[mm]	[kg]
	30	375	700	9000	100	45	16	68	88	14	1	4.5
	35	550	670	8500	110	50	20	74	96	18	1	5.6
	40	800	630	7500	125	55	20	86	109	18	1.5	8.5
	45	912	610	6700	130	60	25	86	109	22	1.5	8.9
	50	1400	560	6000	150	70	25	94	116	22	1.5	12.8
	60	2350	510	5300	170	80	32	114	139	25	2	19.3
	70	3050	470	4000	190	90	38	134	168	30	2.5	23.5
	80	5800	375	4000	210	105	38	144	178	30	2.5	32
	90	8700	350	3000	230	120	50	158	192	40	3	47.2
	100	16000	340	2400	270	140	50	182	217	40	3	76
	130	23000	320	2400	310	160	68	212	250	55	3	110

NOTES
1) T _max = 2 × T _KN
» Refer to Selection page 10 to 13
2) This minimum allowable overrunning speed n imi
should not be reduced under continuous operation.
Possible reduction of this minimum speed on request.
3) Inner race overruns
Keyway to DIN 6885.1
When ordering, please specify direction of rotation seen
from arrow &bdquo;A“: &bdquo;R“ Inner race overruns in clockwise
direction, &bdquo;L“ Inner race overruns in counterclockwise
directionr
» Refer to mounting and maintenance instructions
page 16 to 19

MOUNTING EXAMPLE