Model NO.
FN8
Part
Sprag Clutch
Material
Gcr15
Classification
One Way Clutch
Certification
ISO/TS16949:2002
Stroke
No
Usage
Heavy Duty Trucks, Car, Tractors, Motorcycle, Farm Machinery
Working Mode
Backstop
Working State
No linkage
Voltage
No
Electromagnetic Clutch
No
Inner Diameter
8mm
Outer Diameter
37mm
Height
20mm
Normail Torque
18n.M
Weight
0.1kg
Overrus
2800-5400rpm
Precision
P6
Trademark
R&B
Transport Package
Single Box Packing, Industrial Packing
Specification
SGS
Origin
Jiangsu, China
HS Code
84836000
Internal Freewheels FN
for keyway connection on the outer ring
with rollers
Features
Internal Freewheels FN are roller freewheels without bearing support. The freewheel is built into the customer housing. This makes compact, space-saving fitting solutions possible. The freewheels FN are used as:
Backstops
Overrunning Clutches
Indexing Freewheels
Nominal torques up to 3 000 Nm. The faces of both sides of the outer ring are provided with
grooves for torque transmission. Bores up to 60 mm.
| Freewheel Size | Nominal torque | Max. speed | Bore d | B | D | E | F | N | P | Weight | |||
| MN | Inner ring freewheels/ | Outer ring freewheels/ | mm | mm | mm | mm | mm | mm | mm | kg | |||
| Nm | overruns min-1 | overruns min-1 | |||||||||||
| FN | 8 | 18 | 2 800 | 5 400 | 8 | 20 | 37 | 19 | 30 | 6 | 3,0 | 0,1 | |
| FN | 12 | 18 | 2 800 | 5 400 | 12 | 20 | 37 | 19 | 30 | 6 | 3,0 | 0,1 | |
| FN | 15 | 50 | 2 500 | 5 100 | 15 | 30 | 47 | 23 | 37 | 7 | 3,5 | 0,3 | |
| FN | 20 | 112 | 1 900 | 4 350 | 20 | 36 | 62 | 35 | 50 | 8 | 3,5 | 0,6 | |
| FN | 25 | 220 | 1 550 | 3 350 | 25 | 40 | 80 | 40 | 68 | 9 | 4,0 | 1,1 | |
| FN | 30 | 410 | 1 400 | 3 050 | 30 | 48 | 90 | 45 | 75 | 12 | 5,0 | 1,6 | |
| FN | 35 | 500 | 1 300 | 2 850 | 35 | 53 | 100 | 50 | 80 | 13 | 6,0 | 2,3 | |
| FN | 40 | 750 | 1 150 | 2 500 | 40 | 63 | 110 | 55 | 90 | 15 | 7,0 | 3,1 | |
| FN | 45 | 1 020 | 1 100 | 2 400 | 45 | 63 | 120 | 60 | 95 | 16 | 7,0 | 3,7 | |
| FN | 50 | 1 900 | 950 | 2 050 | 50 | 80 | 130 | 70 | 110 | 17 | 8,5 | 5,3 | |
| FN | 55 | 2 000 | 900 | 1 900 | 55 | 80 | 140 | 75 | 115 | 18 | 9,0 | 6,0 | |
| FN | 60 | 3 000 | 800 | 1 800 | 60 | 95 | 150 | 80 | 125 | 18 | 9,0 | 8,4 | |
Application example
Internal freewheel FN 20 as a backstop, on the drive shaft of running gears on a chain conveyor. In normal operation, the drive shaft drives and the freewheel works in freewheeling operation. The freewheel as a backstop prevents the running gears from being able to run backwards uncontrolled in the event of a fault.
Applications of one way clutch bearing:
Air cleaning plants; Gear Reducers , Conventional and Nuclear Power Plants,Agricultural machines; Automotive Industry, Clay Pigeon Traps , High Voltage Switchgear, Buchet elevators; Compressors; Conveyors; Cranes and hoists; Dry cleaning machinery; Duplicator equipment; Fish net machines; Heat-treatment furnaces; Induced draft fans; Multi-states conveyors; Packaging machinery; Printing machinery; Pumps; Punch presses and feeders; Power plants; Refinery equipment; Speed reducers; Standby power units; Textile looms; Two-speed grinders; Two-speed shiftovers; Washing machines; Wire winding machinery. Rolling Mills, Roller Coaster, Fitness Machines, Industrial Fans, Vertical Pumps












