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  • 所属类型:LF Series Cylindrical Hubs - Rough Stock Bore
  • 品牌:TIMKEN轴承
  • 重量:kg
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Specifications
Description LF30 HUB CYL .71 RSB
CouplingSize LF30
HubStyle Cylindrical
CouplingType Torsional
Color Metallic
BoreType Rough Stock Bore
Weight 8.55 lb
Dimensional Data
RoughStockBoreSize 0.710 in
ThreadDimensionT M16
LengththruBore 66.00 mm 2.600 in
DimensionHD 100 mm 3.94 in
Min.BoreDimensionsID1/ID2 20.00 mm 0.810 in
Max.BoreDimensionsID1/ID2 65 mm 2.440 in
Cubicinches 40.36136 in3
Performance Data
NormalTemperatureRange -40 to 194 oF
NominalTorque 4400.00 in·lb
Max.Torque 12400.00 in·lb
AllowableContinuousVibratoryTorque 1770.00 in·lb
Max.Speed 4000 rpm
Max.AngularMisalignment 3.00 o
Max.ParallelMisalignment 2.00 mm 0.080 in
Wind-UpAngleatNominalTorque 5.00 o
Wind-UpAngleatMax.Torque 14.00 o
DynamicTorsionalStiffness 69000.00 in·lb/rad
StaticAngularStiffness 80.00 in·lb/deg
StaticAxialStiffness 1090.00 lb/in
StaticRadialStiffness 4280.00 lb/in
ShoreHardness 60A
Torsional Element Specifications
TorsionalElementSpecifications
    There are two different rubber element materials available, High Temperature Rubber (HTR) and Neoprene (CR). Both elements are torsionally soft and are placed into compression during assembly. Rubber under compression can carry up to 5 times the amount of torque as non-compressed elements. The elements effectively accommodate shock, misalignment, and vibration plus minimize harmful radial and axial forces on the connected equipment. Neoprene (CR) is used in environments that are hostile to High Temperature Rubber (HTR).
    Available Durometer Hardness:
  • 50, 60 (Shore A scale)
    Operating Temperature Range:
  • HTR: -40° to 194° F
  • CR: -40° to 175° F
    Maximum Angular Misalignment:
  • Up to 3°
Features
Features
  • Wide range of standard designs and materials
  • Application versatility
  • Shaft to shaft or flywheel to shaft designs
  • Designed to accommodate substantial shock loads, vibration, and misalignment
  • Low moment of inertia
  • Electrically insulating
  • No lubrication, maintenance free
  • Unique air-flow cooling design
  • Different element stiffness values allow for torsional tuning of applications with diesel engines
  • Economic design allows for cost effective solutions for torsional applications
  • Proven L-LOC spline-clamping hub virtually eliminates spline shaft profile wear and “fretting”
  • Oil, heat, and corrosion resistant elements (Hytrel®, Zytel®)
  • When used with S-bolts, the coupling can accommodate some end float
  • S-bolts accommodate applications requiring “blind” assembly
  • Model 6 unique spacer designs span gaps between equipment in excess of the normal equipment separation
  • Model 6 design available with bearings for high speeds and large amounts of equipment separation
Note
Notes
  • For Hytrel, dynamic torsional stiffness values are non-linear with respect to torque. Value given is for 100% of nominal torque.
  • Angular and parallel misalignment values are dependent on speed, and for rubber elements, should be adjusted according to figure 4. Hytrel® elements are only for applications where the driven component is piloted to the driver for SAE and DIN established alignments (i.e. Hydraulic pump flange-mounted to engine flywheel housing).
  • Hytrel® elements are only for applications where the driven component is piloted to the driver for essentially perfect alignment (hydraulic pump flange-mounted to engine housing).