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    The heart of the LF Series coupling is the flexible base element. This element allows the customer to make their own shaft hubs from steel bar stock or use existing hubs. Ideal for quick prototype testing, retrofit and high volume applications.
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LF Series Torsional Base Element - HTR

LF Series Base Element with Hardware
LF Series Torsional Base Element - HTR

LF Series Base Element with Hardware
LF Series Torsional Base Element - HTR

LF Series Base Element with Hardware
LF Series Torsional Base Element - HTR

LF Series Base Element with Hardware
LF Series Torsional Base Element - HTR

LF Series Base Element with Hardware
Description  N/A LF1-ELE-HTR60A-W/HDWR N/A LF2-ELE-HTR60A-W/HDWR N/A LF4-ELE-HTR60A-W/HDWR N/A LF8-ELE-HTR60A-W/HDWR N/A LF12-ELE-HTR60A-W/HDWR
Thread (Dimension T) N/A M6 N/A M8 N/A M8 N/A M10 N/A M11
Coupling Size N/A LF1 N/A LF2 N/A LF4 N/A LF8 N/A LF12
Coupling Type N/A Torsional
Material N/A High Temperature Rubber (HTR)
Length thru Bore N/A 0.870 in24.00 mm N/A 0.790 in28.00 mm N/A 0.940 in30.00 mm N/A 1.100 in42.00 mm N/A 1.100 in42.00 mm
Bore Type N/A Element w/ Hardware
Dimension HD N/A 1.181 in30.00 mm N/A 1.575 in40.00 mm N/A 1.772 in45.00 mm N/A 2.362 in60.00 mm N/A 2.362 in60.00 mm
Color N/A Black
Normal Temperature Range N/A -40 to 194 ºF
Nominal Torque N/A 90.00 in·lb10.00 N·m N/A 180.00 in·lb20.00 N·m N/A 440.00 in·lb50.00 N·m N/A 885.00 in·lb100.00 N·m N/A 1240.00 in·lb140 N·m
Max. Torque N/A 200.00 in·lb25.00 N·m N/A 530.00 in·lb60.00 N·m N/A 1100.00 in·lb125.00 N·m N/A 2480.00 in·lb280.00 N·m N/A 3190.00 in·lb360.00 N·m
Allowable Continuous Vibratory Torque N/A 44.00 in·lb5.00 N·m N/A 89.00 in·lb10.00 N·m N/A 180.00 in·lb20.00 N·m N/A 355.00 in·lb40.00 N·m N/A 440.00 in·lb50.00 N·m
Max. Bore (Dimensions ID1/ID2) - Flanged Hubs N/A 0.880 in25.00 mm N/A 1.380 in38.00 mm N/A 1.750 in45.00 mm N/A 2.000 in55.00 mm N/A 2.000 in55.00 mm
Max. Speed N/A 10000 rpm N/A 8000 rpm N/A 7000.00 rpm N/A 6500.00 rpm N/A 6500.00 rpm
Max. Angular Misalignment N/A 3.00 º N/A 3.00 º N/A 3.00 º N/A 3.00 º N/A 2.00 º
Max. Parallel Misalignment N/A 0.060 in1.50 mm N/A 0.060 in1.50 mm N/A 0.060 in1.50 mm N/A 0.080 in2.00 mm N/A 0.080 in2.00 mm
Wind-Up Angle at Nominal Torque N/A 6.00 º N/A 6.00 º N/A 5.00 º N/A 5.00 º N/A 3.00 º
Wind-Up Angle at Max. Torque N/A 17.00 º N/A 17.00 º N/A 12.00 º N/A 14.00 º N/A 7.50 º
Dynamic Torsional Stiffness N/A 140.00 Nm/rad N/A 290.00 Nm/rad N/A 850.00 Nm/rad N/A 1500.00 Nm/rad N/A 4400.00 Nm/rad
Dynamic Torsional Stiffness N/A 1240.00 in·lb/rad N/A 2570.00 in·lb/rad N/A 7500.00 in·lb/rad N/A 13300.00 in·lb/rad N/A 38900.00 in·lb/rad
Static Angular Stiffness N/A 2.66 in·lb/deg0.30 Nm/deg N/A 2.66 in·lb/deg0.30 Nm/deg N/A 21.30 in·lb/deg2.40 Nm/deg N/A 31.90 in·lb/deg3.60 Nm/deg N/A 80.00 in·lb/deg9.00 Nm/deg
Static Axial Stiffness N/A 220.00 lb/in38.00 Nm/deg N/A 130.00 lb/in22.00 Nm/deg N/A 430.00 lb/in75.00 Nm/deg N/A 430.00 lb/in75.00 Nm/deg N/A 1430.00 lb/in250.00 Nm/deg
Static Radial Stiffness N/A 860.00 lb/in150.00 Nm/deg N/A 860.00 lb/in150.00 Nm/deg N/A 2860.00 lb/in500.00 Nm/deg N/A 2860.00 lb/in500.00 Nm/deg N/A 5710.00 lb/in1000.00 Nm/deg
Max. Axial Misalignment (End Float) N/A
Weight N/A 0.12 lb N/A 0.28 lb N/A 0.40 lb N/A 0.65 lb N/A 1.25 lb
Shore Hardness N/A 60A
Cubic inches N/A 4.21080 in³ N/A 8.86578 in³ N/A 14.59218 in³ N/A 24.50624 in³ N/A 25.34400 in³