DC3034 Freewheel Bearing DC Series Gcr15 Sprag Type One Way Clutch Heat Treatment
Brand Name:BLUEN
Certification:ISO
Model Number:DC3034
Minimum Order Quantity:1 PIECE
Delivery Time:5 Days
Payment Terms:T/T, Western Union,Paypal
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Changzhou Jiangsu China
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Wujin Changzhou Jiangsu China
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DC Series Sprag Type One Way Clutch Bearings
Features of DC Sprag type one way clutch bearings
- 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.
Alternatively, races can be made in case hardened steel shafts, or housings, to the specification below.
Hardness
- 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.
Datasheet of DC Sprag type one way clutch bearings
| Size | Torque | Overrunning speeds | Øa + 0,008 - 0,005 | Øc ± 0,013 | Sprag space | emin | Ødmin | Øbmax | Number of clips | Number of sprags | Weight | |
| TKN1[Nm] | nimax2 [min-1] | Namax2 [min-1] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [kg] | |||
| DC2222G | 63 | 8600 | 4300 | 22.225 | 38.885 | 8.33 | 10.0 | 50 | 15 | - | 12 | 0.030 |
| DC2776 | 119 | 6900 | 3400 | 27.762 | 44.422 | 8.33 | 13.5 | 58 | 18 | - | 14 | 0.055 |
| DC3034 | 124 | 6300 | 3100 | 30.340 | 47.000 | 8.33 | 13.5 | 62 | 20 | - | 14 | 0.060 |
| DC3175(3C) | 159 | 6000 | 3000 | 31.750 | 48.410 | 8.33 | 13.5 | 63 | 24 | 3 | 16 | 0.060 |
| DC3809A | 275 | 5000 | 2500 | 38.092 | 54.752 | 8.33 | 16 | 71 | 29 | - | 18 | 0.085 |
| DC4127(3C) | 224 | 4600 | 2300 | 41.275 | 57.935 | 8.33 | 13.5 | 75 | 32 | 3 | 18 | 0.090 |
| DC4445A | 363 | 4300 | 2100 | 44.450 | 61.11 | 8.33 | 16 | 79 | 34 | - | 20 | 0.095 |
| DC4972(4C) | 306 | 3800 | 1900 | 49.721 | 66.381 | 8.33 | 13.5 | 86 | 38 | 4 | 22 | 0.100 |
| DC5476A | 525 | 3500 | 1700 | 54.765 | 71.425 | 8.33 | 16 | 92 | 42 | - | 24 | 0.110 |
| DC5476A(4C) | 525 | 3500 | 1700 | 54.765 | 71.425 | 8.33 | 16 | 92 | 42 | 4 | 24 | 0.130 |
| DC5476B(4C) | 769 | 3500 | 1700 | 54.765 | 71.425 | 8.33 | 21 | 92 | 42 | 4 | 24 | 0.180 |
| DC5476C(4C) | 990 | 3500 | 1700 | 54.765 | 71.425 | 8.33 | 25.4 | 92 | 42 | 4 | 24 | 0.200 |
| DC5776A | 604 | 3300 | 1600 | 57.760 | 74.420 | 8.33 | 16 | 98 | 44 | - | 26 | 0.110 |
| DC6334B | 806 | 3000 | 1500 | 63.340 | 80.000 | 8.33 | 21 | 104 | 50 | - | 26 | 0.175 |
| DC7221(5C) | 675 | 2600 | 1300 | 72.217 | 88.877 | 8.33 | 13.5 | 115 | 56 | 5 | 30 | 0.140 |
| DC7221B | 1279 | 2600 | 1300 | 72.217 | 88.877 | 8.33 | 21 | 115 | 56 | - | 30 | 0.185 |
| DC7221B(5C) | 1279 | 2600 | 1300 | 72.217 | 88.877 | 8.33 | 21 | 115 | 56 | 5 | 30 | 0.210 |
| DC7969C(5C) | 2038 | 2400 | 1200 | 79.698 | 96.358 | 8.33 | 25.4 | 124 | 61 | 5 | 34 | 0.280 |
| DC8334C | 2055 | 2300 | 1100 | 83.340 | 100.00 | 8.33 | 25.4 | 132 | 65 | - | 34 | 0.270 |
| DC8729A | 1250 | 2200 | 1100 | 87.290 | 103.96 | 8.33 | 16 | 134 | 67 | - | 34 | 0.165 |
| DC10323A(3C)* | 1612 | 1800 | 900 | 103.231** | 119.891 | 8.33 | 16 | 155 | 80 | 3 | 40 | 0.205 |
| DC12334C* | 4800 | 1500 | 750 | 123.34** | 140.00 | 8.33 | 25.4 | 184 | 96 | - | 50 | 0.400 |
| DC12388C(11C) | 4875 | 1500 | 750 | 123.881 | 142.88 | 9.5 | 25.4 | 196 | 96 | 11 | 44 | 0.400 |
DC3034 Freewheel Bearing DC Series Gcr15 Sprag Type One Way Clutch Heat Treatment
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