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Motorcycle One Way Clutch

Motorcycle One Way Clutch
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  • Product Description

Introduction of DC series Sprag Type One Way Freewheel Clutch Bearing
1.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.
2.The DC type version-N accepts all types of lubricants currently used in the power transmission equipement.
3.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 .
4.Alternatively, races can be made in case hardened steel shafts, or housings,
Surface hardness of the finished part should be HRC 60 to 62, for a depth of 0,6 mm minimum.
5.Core hardness to be HRC35 to 45. Surface roughness not to exceed 22CLA. Maximum taper between races:0,007 mm for 25 mm width.
Paramenters of DC series Sprag Type One Way Freewheel Clutch Bearing

DC Series Sprag Type One Way Freewheel Clutch Bearing

Size Overrunning
speeds 		Sprag space Number

of  clips 		Number

of sprags 		Weight
TKN1) nimax2) namax3) Øa+0.008 Øc± 0.013 emin Ødmin Øbmax
-0.005
[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
DC Series Sprag Type One Way Freewheel Clutch Bearing
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