Deep groove ball bearing
Product information
INTRODUCTION
Complete Freewheels FRXF
Features
Complete Freewheels FRXF are freewheels with sprag lift-off X, labyrinth seals, and sealed grease lubricated ball bearings. All units are supplied complete with torque arms. FRXF backstops are maintenance free and lubricated for life prior to shipping.
The freewheels FRXF are used as:
➧ Backstops
Maximum torques up to 29 000 lb-ft.
Bores up to 4.5 inch. Standard bores are avail - able from stock.
Application example
Complete Freewheel FRXF as backstop, ar - ranged at the end of a high speed shaft of the gearbox. The back driving torque is restrained by the clutch torque arm and the gearbox torque arm pin.
With this high shaft speed under normal operation (freewheeling operation), sprag lift-off X is used; the sprags work in freewheeling operation without contact and are wear-free.


Freewheel Size | Maximum t orque MM lb-ft |
Nominal t orque MN lb-ft |
Sprag lift-off at inner ring speed rpm* |
Maximum speed inner ring overruns rpm |
Bore d Standard bores inch |
max. inch | A inch |
F inch |
H inch |
L inch |
M inch |
N inch |
O inch |
R inch |
Torque arm Size |
Weight lbs |
||||||
FRXF 550 | 1 500 | 750 | 700 | 4 000 | 1.250 | 1.312 | 1.500 | 1.625 | 1.625 | 6.750 | 3.25 | 8.313 | 3.25 | 1.00 | 0.813 | 3.813 | 4.00 | #10 | 20 | |||
FRXF 700 | 8 100 | 4 050 | 350 | 3 600 | 1.938 | 2.000 | 2.250 | 2.438 | 2.500 | 2.750 | 2.938 | 2.938 | 9.375 | 5.00 | 11.813 | 5.00 | 1.25 | 1.250 | 5.688 | 6.00 | #20 | 60 |
FRXF 775 | 14 800 | 7 300 | 320 | 2 100 | 2.750 | 2.938 | 3.000 | 3.250 | 3.438 | 3.500 | 3.750 | 3.750 | 13.000 | 6.00 | 15.825 | 6.00 | 1.50 | 1.875 | 6.938 | 7.76 | #60 | 150 |
FRXF 800 | 29 000 | 14 500 | 250 | 1 800 | 4.500 | 4.500 | 13.000 | 6.00 | 15.825 | 6.00 | 1.50 | 1.875 | 6.440 | 7.76 | #60 | 160 |
See page 9 for determination of selection torque.
* Maximum recommended operating speed.
Keyway dimensions upon request by customers.
Mounting Complete Freewheels FRXF are furnished to size for a slip fit on the shaft. |
Labyrinth Seals The freewheels FRXF are supplied with labyrinth seals, sealed grease lubricated ball bearings and require no additional lubrication. |
SUPPORT CONSULTANCY

Linqing zhuochi bearing factory
Contact person:Manager Cao
Cell phone:0832526895
Telephone:0832526895