GCr15 Overrunning One Way Sprag Clutch Bearing DC8729A-N for Smooth Operation
Price:
negotiable
MOQ:
negotiable
Delivery Time:
20-45DAYS
Brand:
SFT
Product Description
Detailed Info.
| Item | DC8729A-N |
| Material | GCr15 |
| Bore dia. | 87.29 mm |
| Outer dia. | 103.96 mm |
| Width | 16 mm |
| Torque capacity | 1250 N.m |
| Overrunning speeds (imax) | 2200 r/min |
| Overrunning speeds (amax) | 1100 r/min |
| Weight | 0.165 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.
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
|
TKN1) |
Overrunning speeds |
Sprag space
|
NO. of clips
|
No. of sprags |
Weight | ||||||
| nimax2) | namax3) | Øa+0.008 -0.005 |
Øc± 0.013 | emin | Ødmin | Øbmax | ||||||
| [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
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Company
Shaanxi Fortune Industries Co.ltd
Location
A-709 Zhengshang International Building, Fengcheng 8 Road,Xi'an,China
Contact Person
Shirley