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GFR GFRN One Way Bearing Clutch

Types GFR, GFRN are roller type freewheels. These units are part of the Stieber modular system. They are
bearing supported, using two 160.. series bearings, and require oil lubrication. These units may be used in designs providing oil lubrication and sealing as on the example overleaf. The bearings must not be axially stressed.

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Product Detail

GFR GFRN One Way Bearing Clutch

Introduction

Types GFR, GFRN are roller type freewheels. These units are part of the Stieber modular system. They are

bearing supported, using two 160.. series bearings, and require oil lubrication. These units may be used in designs providing oil lubrication and sealing as on the example overleaf. The bearings must not be axially stressed.

Typically, types GFR, GFRN are used with the F series covers that are designed to transmit torque, and provide

oil lubrication and sealing.The outer race of the GFR model is plain to receive and center any component bored to H7 tolerance. Torque is transmitted by bolts through the cover plate in this case. Types GFR, GFRN are identical except that type GFRN has a keyway on the outside diameter to transmit the torque. Two paper seals are delivered with each unit to be placed between the outer race and cover plates.

Technical Parameter

Type	Size		Overrunning speeds			Num ber					Weight
GFR GFRN	d^H7	T_KN¹⁾	n_imax²⁾	n_amax³⁾	D_h7	z	L₁	L	B	b^P10
	[mm]	[Nm]	[min^-1]	[min^-1]	[mm]		[mm]	[mm]	[mm]	[mm]	[kg]
	12*	55	4000	7200	62	3	42	20	27	4	0.5
	15	125	3600	6500	68	3	52	28	32	5	0.8
	20	181	2700	5600	75	4	57	34	39	6	1
	25	288	2100	4500	90	4	60	35	40	8	1.5
	30	500	1700	4100	100	6	68	43	48	8	2.2
	35	725	1550	3800	110	6	74	45	51	10	3
	40	1025	1150	3400	125	6	86	53	59	12	4.6
	45	1125	1000	3200	130	8	86	53	59	14	4.7
	50	2125	800	2800	150	8	94	64	72	14	7.2
	55	2625	750	2650	160	8	104	66	72	16	8.6
	60	3500	650	2450	170	10	114	78	89	18	10.5
	70	5750	550	2150	190	10	134	95	108	20	13.5
	80	8500	500	1900	210	10	144	100	108	22	18.2
	90	14500	450	1700	230	10	158	115	125	25	28.5
	100	20000	350	1450	270	10	182	120	131	28	42.5
	130	31250	250	1250	310	12	212	152	168	32	65
	150	70000	200	980	400	12	246	180	194	36	138