DC Series Sprag Type One Way Freewheel Clutch Bearing
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
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
Images