Shaanxi Fortune Industries Co.ltd
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GFK 50 Hold Back Bearing One Way Clutch Freewheel Backstop Bearings
Product Description:
Feature
Type GFK is a sprag type freewheel integrated into a 59..series ball bearing. This design provides high torque capacity for minimal outside diameter.
It is a bearing supported type, delivered grease lubricated. Oil bath lubrication is also possible.
Torque transmission must be ensured by a press fit assembly into a rigid outer housing with R6 tolerance, and onto a shaft with p5 tolerance.
Initial radial clearance has been provided to take into account this heavy press fit. Operating temperature range: –20°C to +100°C. Peaks up to +120°C are acceptable for short periods. Please contact us for higher temperatures.
Different Sizes for Your Reference
| Type | Size | Overrunningspeeds | Bearing series | Loads | Weight | ||||||||
| Rollers dyn. | Balls dyn. | Rollers stat. | Balls stat. | ||||||||||
GFK | d | TKN1) | n imax2) | n amax3) | C | C | C0 | C0 | D | L | r | ||
| [mm] | [Nm] | [min-1] | [min-1] | [N] | [N] | [N] | [N] | [mm] | [mm] | [mm] | [kg] | ||
| 20 | 51 | 5500 | 4000 | 5904 | 5600 | 4400 | 2900 | 2750 | 37 | 23 | 0.5 | 0.09 | |
| 25 | 65 | 5300 | 3800 | 5905 | 6300 | 5300 | 3450 | 3350 | 42 | 23 | 0.5 | 0.11 | |
| 30 | 95 | 5000 | 3500 | 5906 | 7700 | 5500 | 4600 | 3650 | 47 | 23 | 0.5 | 0.13 | |
| 35 | 204 | 4600 | 3200 | 5907 | 8200 | 8500 | 5200 | 5700 | 55 | 27 | 1 | 0.2 | |
| 40 | 315 | 4200 | 3000 | 5908 | 8650 | 9300 | 5750 | 6700 | 62 | 30 | 1 | 0.3 | |
| 45 | 370 | 3800 | 2500 | 5909 | 9200 | 9700 | 6350 | 7300 | 68 | 30 | 1 | 0.34 | |
| 50 | 460 | 3400 | 2200 | 5910 | 9650 | 10000 | 6950 | 7800 | 72 | 30 | 1 | 0.36 | |
NOTES
1) T max = 2 × T KN
2) Inner race overruns
3) Outer race overruns
MOUNTING EXAMPLE
