DC4445A Sprag Type One Way Freewheel Cage，Easy Installation One Way Clutch Bearings
DC4445A Sprag Type One Way Freewheel Cage
Feature
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 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 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.
Different Sizes For Your Reference
| Type | Drag torque | Size(mm) | Number of clips | |||||
| Tkn(NM) | a | c | sprag space | e | d | b | ||
| DC2222G | 50 | 22.225 | 38.885 | 8.33 | 10 | 50 | 17 | |
| DC2776 | 95 | 27.762 | 44.422 | 8.33 | 13.5 | 58 | 21 | |
| DC3034 | 99 | 30.34 | 47 | 8.33 | 13.5 | 62 | 23 | |
| DC3175(3C) | 127 | 31.75 | 48.41 | 8.33 | 13.5 | 63 | 24 | 3 |
| DC3809A | 220 | 38.092 | 54.752 | 8.33 | 16 | 71 | 29 | |
| DC4127(3C) | 179 | 41.275 | 57.935 | 8.33 | 13.5 | 75 | 32 | 3 |
| DC4445A | 290 | 44.45 | 61.11 | 8.33 | 16 | 79 | 34 | |
| DC4972(4C) | 245 | 49.721 | 66.381 | 8.33 | 13.5 | 86 | 38 | 4 |
| DC5476A | 420 | 54.765 | 71.425 | 8.33 | 16 | 92 | 42 | |
| DC5476A(4C) | 420 | 54.765 | 71.425 | 8.33 | 16 | 92 | 42 | 4 |
| DC5476B(4C) | 615 | 54.765 | 71.425 | 8.33 | 21 | 92 | 42 | 4 |
| DC5476C(4C) | 792 | 54.765 | 71.425 | 8.33 | 25.4 | 92 | 42 | 4 |
| DC5776A | 483 | 57.76 | 74.42 | 8.33 | 16 | 98 | 44 | |
| DC6334B | 645 | 63.34 | 80 | 8.33 | 21 | 104 | 50 | |
| DC7221(5C) | 540 | 72.217 | 88.877 | 8.33 | 13.5 | 115 | 56 | 5 |
| DC7221B | 1023 | 72.217 | 88.877 | 8.33 | 21 | 115 | 56 | |
| DC7221B(5C) | 1023 | 72.217 | 88.877 | 8.33 | 21 | 115 | 56 | 5 |
| DC7969C(5C) | 1630 | 79.698 | 96.358 | 8.33 | 25.4 | 124 | 61 | 5 |
| DC8334C | 1645 | 83.34 | 100 | 8.33 | 25.4 | 132 | 65 | |
| DC8729A | 1000 | 87.29 | 103.96 | 8.33 | 16 | 134 | 67 | |
| DC10323A(3C) * | 1290 | 103.231 ** | 119.891 | 8.33 | 16 | 155 | 80 | 3 |
| DC12334C * | 3840 | 123.34 ** | 140 | 8.33 | 25.4 | 184 | 96 | |
| DC12388C(11C) | 3900 | 123.881 | 142.88 | 9.5 | 25.4 | 196 | 96 |
11 |
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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