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SF 57-18.5 Overrunning Clutch Bearings One Way Sprag Freewheel Cage Assembly

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SF 57-18.5 Overrunning Clutch Bearings One Way Sprag Freewheel Cage Assembly

Country/Region	china

Product Details

SF 57-18.5 Overrunning Clutch Bearings One-Way Sprag Freewheel Cage Assembly

Feature

Type SF is a sprag type freewheel cage without inner or outer races. It must be installed in a design providing races, bearing

support for axial and radial loads, lubrication and sealing. The BWC type version-N accepts all types of lubricants currently

used in the power transmis-sion equipement. The sprag space tolerance must not be exceeded. Inner and outer races must

both have a minimum plain width "e", without any recess, to ensure the freewheel functions correctly. Alternatively, races can be

made in case hardened steel shafts, or housings, to the specification below. Surface hardness of the finished part should be HRC 60 to 62, for a depth of 0, 6 mm minimum. Core hardness to be HRC35 to 45. Surface roughness not to exceed 22CLA. Maximum taper between races: 0, 007 mm for 25 mm width.

Cage Freewheels SF , for assembly with Inner and Outer Ring.

Product name	SF one way bearings
Model	SF 57-18.5
Torque capacity	950Nm
Inner diameter	57mm
Outer diameter	75mm
Sprag Lift-off at Outer Race	2000r/min
Material	GCr15
Width	18.5mm
Weight	0.13kg
Package	Carton Box / Wooden Box
Payment terms	TT, L/C, D/A, D/P, Western Union
Delivery time	IN STOCK

Catalogue of dc one way bearings for your choice

Freewheel Size	Type	Nominal t orque	Type	Nominal t orque	Type	Nominal t orque	Sprag lift-off at outer ring speed min-1	J	D	B	K	Sprags Quantity	Weight
		MN		MN		MN		mm	mm	mm	mm		kg
		MN		MN		MN		mm	mm	mm	mm		kg
SF18-13,5	J	66						18,80	35,47	13,5	50	10	0,04
SF23-13,5	J	120						23,63	40,29	13,5	55	12	0,04
SF27-13,5	J	160	JT	160	JZ	100	3 600	27,78	44,42	13,5	65	14	0,05
SF31-13,5	J	170	JT	170	JZ	110	3 400	31,75	48,41	13,5	70	12	0,04
SF32-21,5	J	400						32,77	49,44	21,5	65	14	0,07
SF37-14,5	K	270	KT	270	KZ	210	2 900	37	55	14,5	75	14	0,06
SF42-21	J	720						42,10	58,76	21	85	18	0,09
SF44-14,5	K	500	KT	500	KZ	400	2 250	44	62	14,5	90	20	0,08
SF46-21	J	840						46,77	63,43	21	90	20	0,10
SF50-18,5	K	680	KT	680	KZ	580	2 250	50	68	18,5	90	20	0,10
SF56-21	J	1 050						56,12	72,78	21	100	22	0,11
SF57-18,5	K	950	KT	950	KZ	800	2 000	57	75	18,5	105	24	0,13
SF61-21	J	1 300	JT	1 300	JZ	1 150	1 550	61,91	78,57	21	110	26	0,14
SF72-23,5	K	2 100	KT	2 100	KZ	1 850	1 550	72	90	23,5	135	32	0,23
SF82-25	K	2 300	KT	2 300	KZ	2 100	1 450	82	100	25	140	36	0,26
SF107-25	K	3 300	KT	3 300	KZ	3 100	1 300	107	125	25	170	48	0,35
SF127-25	K	4 900	KT	4 900	KZ	4 600	1 200	127	145	25	210	56	0,40
SF140-50	S	13 600	ST	13 600	SZ	10 500	950	140	180	50	260	24	1,70
SF140-63	S	18 000	ST	18 000	SZ	14 000	800	140	180	63	260	24	2,00
SF170-50	S	17 000	ST	17 000	SZ	13 500	880	170	210	50	290	28	1,95
SF170-63	S	23 000	ST	23 000	SZ	18 500	720	170	210	63	290	28	2,40
SF200-50	S	23 000	ST	23 000	SZ	18 500	820	200	240	50	325	36	2,50
SF200-63	S	29 000	ST	29 000	SZ	23 500	680	200	240	63	325	36	3,10
SF230-63	S	37 000	ST	37 000	SZ	29 500	650	230	270	63	360	45	3,90
SF270-50	S	35 000	ST	35 000	SZ	29 500	720	270	310	50	410	48	3,40
SF270-63	S	44 000	ST	44 000	SZ	37 000	600	270	310	63	410	48	4,20
SF340-50	S	45 000	ST	45 000	SZ	43 000	640	340	380	50	510	60	4,20
SF340-63	S	67 500	ST	67 500	SZ	57 500	540	340	380	63	510	60	5,20
SF380-50	S	57 000	ST	57 000	SZ	48 500	610	380	420	50	550	63	4,40
SF440-63	S	93 000	ST	93 000	SZ	80 000	470	440	480	63	640	72	6,20