16
D2
D1
L
L 1
L 2
13/16
O.D.
A1
D1 A1
A2
11/16
O.D.
D2
L
L 1
L 2
13/16
O.D.
A2
11/16
O.D.
FAIRLOC® TYPE HUBS
TORSIONAL VIBRATION ISOLATION
MOLDED NEOPRENE CENTER
SHAFT-TO-SHAFT INSULATION
Ribbed Style
Smooth Style
S50FSR-0303
S50FSR-0304
S50FSR-0404
S50FSR-0406
S50FSR-0408
S50FSR-0606
S50FSR-0608
S50FSR-0808
.440
.440
.495
.610
.440
.440
.495
.610
.495
.610
.610
.1200
.1875
.1200
.1250
.1250
.1875
.2500
.1875
.2500
.2500
A2
Bore
+.001
-.000
Catalog Number
MATERIAL: Hubs – 303 Stainless Steel
Center – Molded Neoprene, Durometer 73
D1
Hub
Dia.
Cap
Screw
NOTE: Fairloc® hubs require controlled shaft tolerances.
Suggested clearance fit between the bore and shaft is .0001 / .0008.
Other bore sizes and combinations available on special order.
A1
Bore
+.001
-.000
D2
Hub
Dia.
Smooth Style
Ribbed Style
S50FSS-0303
S50FSS-0304
S50FSS-0404
S50FSS-0406
S50FSS-0408
S50FSS-0606
S50FSS-0608
S50FSS-0808
#2-56
#2-56
#2-56
#2-56 / #4-40
#2-56
#2-56 / #4-40
#4-40
.257
.257
.257
.295
.257
.257
.257
.328
.257
.295
.295
L1
Hub
Length
L2
Hub
Length
L
Overall
Length
± 1/64
1.264
1.264
1.264
1.335
1.264
1.302
1.340
.1250
.2500
Maximum Shaft Misalignments:
Angular
5°
1°
Parallel Offset .010 Max. .005 Max.
Ribbed
Style
Smooth
Style
Bore Size
Max. Torque
oz. in.
.1200
.1250
.1875
.2500
100
120
150
180
Fairloc® Neo-Flex Couplings - Short
