14
FEATURES:
• Corrects for angular and parallel axis
misalignment
• Zero backlash
• Constant angular velocity
• Dampens vibration and noise
•
* Fairloc® eliminates marred shafts
MATERIAL: Hubs – Brass
Bellows – Phosphor Bronze
Socket Head Screws – 300 Series Stainless Steel
Finish – Tin Plate
SPECIFICATIONS
EASY INSTALLATION
READILY REPOSITIONED
S50FP9-FBC12015
S50FP9-FBC12515
S50FP9-FBC18715
S50FP9-FBC18715A
S50FP9-FBC25021
S50FP9-FBC31221
S50FP9-FBC37527
.1200
.1250
.1875
.1878 / .1873
.2500
.3125
.3750
15/32
15/32
27/32
.433
.433
.495
.562
.610
.682
.870
1.16
#2-56
#4-40
#6-32
A
+.001
-.000
Bore
Typical
F
± .015
Bellows
Diameter
E Ref.
± .015
Active
Bellows
Length
B
± .010
Hub
Diameter
L
± .06
Overall
Length
Screw
Size
Catalog Number
.242
.230
.352
.92
1.00
1.31
21/32
.325
#4-40
* Patented
® Registered trademark
NOTE: Fairloc® hubs require controlled shaft tolerances.
Suggested clearance fit between the bore and shaft is .0001 / .0008.
Other bores, finishes available on special order.
S50FP9-FBC12015
S50FP9-FBC12515
S50FP9-FBC18715
S50FP9-FBC18715A
S50FP9-FBC25021
S50FP9-FBC31221
S50FP9-FBC37527
Catalog Number
Torsional
Deflection
@ Max.
Load
Degrees
Maximum
Parallel
Offset
Maximum
Torque
oz. in.
Maximum
Axial
Movement
Maximum
Angular
Misalignment
Degrees
+.015, -.030
+.012, -.024
+.020, -.040
+.025, -.050
120
120
150
180
200
300
5°
4°
6°
6°
.015
.010
.015
.015
1.2°
1.2°
1.5°
.8°
1.4°
1.5°
Fairloc® Bellows Couplings
B
A
L
E
F
SOCKET HEAD
CAP SCREW
