Home > Products > Overrunning clutch (sprag clutch) > Power Transmission Integrated Freewheel FXM76-25 Sprag Clutch With Sprag Lift-off X Used in Gearbox,Flende and S-EW Reducer
Power Transmission Integrated Freewheel FXM76-25 Sprag Clutch With Sprag Lift-off X Used in Gearbox,Flende and S-EW Reducer
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Product Details
| Place of Origin | Jiangsu, China | Brand Name | SUMA or OEM | |
| Model Number | FXM76-25 |
Product Description
Features
Integrated Freewheels FXM are sprag free -wheels without bearing support and with sprag
lift-off X.
The sprag lift-off X ensures a wear-free freewheeling operation when the inner ring rotates at high speed.
The freewheels FXM are used as:
1. Backstops
2. Overrunning Clutches
for applications with high speed freewheeling operation and when used as an overrunning clutch with low
speed driving operation.
Nominal torques up to 888 000 N.m.
Bores up to 460 mm. Many standard bores are available.
Sprag lift-off X
Integrated Freewheels FXM are equipped with sprag lift-off X. The sprag lift-off X is used for backstops and overrunning clutches, provided that in freewheeling operation the inner ring is rotating at high speed and
providing with overrunning clutches that the driving operation is conducted at low speed. In freewheeling
operation, the centrifugal force F C causes the sprag to lift off from the outer track. In this operating state, the
freewheel works wear-free, i.e. with unlimited service life.
Figure 64-2 shows a freewheel with sprag lift-off X in freewheeling operation . The sprags, which are supported in a cage connected with the inner ring, rotate with the inner ring. The centrifugal force F C that is
applied in the center of gravity S of the sprag turns the sprag counterclockwise and rests against the support
ring of the cage. This results in the gap a between the sprag and the outer track; the freewheel works with out
contact. If the inner ring speed decreases to such an extent that the effect of the centrifugal force on the sprag
is less than that of the spring force F F , the sprag again rests on the outer ring and the freewheel is ready to
lock (figure 64-3). If used as an overrunning clutch, the driving speed must not exceed 40% of the lift-off speed.


Contact Us
- Changzhou Suma Precision Machinery Co., Ltd.
- Contact nameEllen zhang Chat Now
- Phone0086-519-85858018
- AddressDonghua Industrial park, Changzhou, Jiangsu
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Power Transmission Integrated Freewheel FXM86-25 Sprag Clutch With Sprag Lift-off X Used in Gearbox,Flende and S-EW Reducer
Power Transmission Part FXM101-25 Overrunning Clutch With Sprag Lift-off X Used in Gearbox,Flende and S-EW Reducer
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SL04 Bearing Full Complement Cylindrical Roller Bearing Double Row SL045007PP
SL18 Bearing Manufacturer Cylindrical Roller Bearing SL181852 SL182952 SL183052
SL18 Series Filled Cylindrical Roller Bearing for Electric Motorcycle
SL182926 SL183022 SL182226 Single Row Cylindrical Roller Bearing Manufacturer
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SL192308 Long Cylindrical Roller Bearing for Locomotives
SL192305 High Speed Special Roller Bearing Full Complement Cylindrical Roller Bearing
SL1832204 Spherical Roller Bearing Full Complete Cylindrical Roller Bearing
SL183004 Tapered Roller Bearing With Small Friction Coefficient
SL1922307 High Rigidity Full Complement Cylindrical Roller Bearing for Reducer
SL Series Spherical Roller Bearing for Locomotives and Spindle