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DC4445A-N Sprag Freewheel Bearing Clutch Bearing Backstop One Way Bearing

Categories	One Way Clutch Bearings
Brand Name:	SFT
Model Number:	DC4445A-N
Place of Origin:	China
MOQ:	negotiable
Price:	negotiable
Payment Terms:	L/C, T/T, Western Union, MoneyGram
Supply Ability:	50000PCS/MONTH
Delivery Time:	20-45DAYS
Packaging Details:	carton,pallet
Applicable Industries:	Manufacturing Plant, Construction works
Precision Rating:	P0
Type:	sprag clutch
Material:	GCr15
Weight:	0.095
Torque(Nm):	363
Inner Race Max Overrunning Speed (r/min):	4300
Width(mm):	16

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Shaanxi Fortune Industries Co.ltd

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DC4445A-N Sprag Freewheel Bearing Clutch Bearing Backstop One Way Bearing

DC Sprag Freewheel One Way Clutch Bearing

Product Description

DC4445A-N Sprag Freewheel Bearing Clutch Bearing Backstop One Way Bearing

Detailed Info.

Item	DC
Material	GCr15
Bore dia.	22.225-123.881 mm
Outer dia.	38.885-142.880 mm
Width	10-25.4 mm
Torque capacity	63-4875 N.m
Overrunning speeds (imax)	1500-8600 r/min
Overrunning speeds (amax)	750-4300 r/min
Weight	0.03-0.4 kg
Package	Carton box or as your requirements

Brief Introduction

Type DC 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 DC type version-N accepts all types of lubricants currently used in the power transmission 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 as shown on following pages.

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.

Dimensions and Capacities

Size		Overrunning speeds				Sprag space				NO. of clips	No. of sprags	Weight
	TKN1)	nimax2)	namax3)	Øa+0.008 -0.005	Øc± 0.013		emin	Ødmin	Øbmax	NO. of clips	No. of sprags	Weight
	[Nm]	[min-1]	[min -1]	[mm]	[mm]	[mm]	[mm]	[mm]	[mm]			[kg]
DC2222G-N	63	8600	4300	22.225	38.885	8.33±0.075	10	50	15	–	12	0.03
DC2776-N	119	6900	3400	27.762	44.422	8.33±0.075	13.5	58	18	–	14	0.055
DC3034-N	124	6300	3100	30.34	47	8.33±0.075	13.5	62	20	–	14	0.06
DC3175(3C)-N	159	6000	3000	31.75	48.41	8.33±0.075	13.5	63	21	3	16	0.06
DC3809A-N	275	5000	2500	38.092	54.752	8.33±0.075	16	71	25	–	18	0.085
DC4127(3C)-N	224	4600	2300	41.275	57.935	8.33±0.075	13.5	75	27	3	18	0.09
DC4445A-N	363	4300	2100	44.45	61.11	8.33±0.1	16	79	29	–	20	0.095
DC4972(4C)-N	306	3800	1900	49.721	66.381	8.33±0.1	13.5	86	33	4	22	0.1
DC5476A-N	525	3500	1700	54.765	71.425	8.33±0.1	16	92	36	–	24	0.11
DC5476A(4C)-N	525	3500	1700	54.765	71.425	8.33±0.1	16	92	36	4	24	0.13
DC5476B(4C)-N	769	3500	1700	54.765	71.425	8.33±0.1	21	92	36	4	24	0.18
DC5476C(4C)-N	990	3500	1700	54.765	71.425	8.33±0.1	25.4	92	36	4	24	0.2
DC5776A-N	604	3300	1600	57.76	74.42	8.33±0.1	16	98	38	–	26	0.11
DC6334B-N	806	3000	1500	63.34	80	8.33±0.1	21	104	42	–	26	0.175
DC7221(5C)-N	675	2600	1300	72.217	88.877	8.33±0.1	13.5	115	48	5	30	0.14
DC7221B-N	1279	2600	1300	72.217	88.877	8.33±0.1	21	115	48	–	30	0.185
DC7221B(5C)-N	1279	2600	1300	72.217	88.877	8.33±0.1	21	115	48	5	30	0.21
DC7969C(5C)-N	2038	2400	1200	79.698	96.358	8.33±0.1	25.4	124	53	5	34	0.28
DC8334C-N	2055	2300	1100	83.34	100.000	8.33±0.1	25.4	132	55	–	34	0.27
DC8729A-N	1250	2200	1100	87.29	103.96	8.33±0.1	16	134	58	–	34	0.165
DC10323A(5C)*-N	1612	1800	900	103.231**	119.891	8.33±0.1	16	155	68	5	40	0.205
DC12334C*-N	4800	1500	750	123.340**	140.000	8.33±0.1	25.4	184	80	–	50	0.4
DC12388C(11C)	4875	1500	750	123.881	142.88	9.50±0.1	25.4	186	80	11	44	0.4

Mounting Example

Applications of one way clutch bearing:

One Way Clutches Sprag Type mainly used as Backstop clutches
Reducers,Flender Gearbox,SEW Gearbox

Overrunning clutch: for multiple-machine drives or to separate the inertia of masses of a driven machine from the driving machine after it has been switched off.

Indexing clutch: which turns a shaft step by step, thus achieving indexed material feed or a variable speed.

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