Jaw-Flex coupling  L Series  (Elastomer Coupling )

Product photo
  • This light-duty flexible coupling is ideal for direct connections of general-use motors.
  • It is simply constructed of two hubs and one insert. Superior for secure torque transmission and vibration/impact absorption, and extremely easy to install/remove.
  • ・Applicable shaft diameter :Φ5mm~Φ69mm
  • ・Torque range :0.4~711N・m

Features

  • ・Extensive Lineup of Finished Bore Hub in Stock

    A broad range of bore combinations is possible with 63 types of bore machining and 499 combinations of bore diameters in stock.

  • ・Ideal for Direct Connection to Motor

    Designed for high-speed and low-torque applications. Accommodates every size of general-use motors.

  • ・Insert Option

    You can choose the insert suited for your applications. Refer to the following 2 term.

  • ・Simple Structure & Compact Size

    Constructed with just three parts and designed to be compact. Simply move the coupling in an axial direction for connection/disconnection.

  • ・Cheap

    The lowest-priced coupling in our range for direct connection to motors with a highly economical design.

  • ・Standardized Plated Hub & Aluminum Hub

    The plated hub is fit for urethane and Hytrel ® inserts, and resistant to corrosion. Aluminum hubs are also standardized.

Insert fittings

  • ・Characteristic list :Can be selected from 3 types, S type, M type or H type, corresponding to the insert type.
  • Type SType MType HType
    Insert material Nitrile Urethane Hytrel®
    Color Black Blue White
    Torque ratio 1 1.5 2~3
    Flexibility
    Shock resistance
    Oil resistant
    Chemical resistance
    Operating Temperature Range -40~100℃ -34~70℃ -50~120℃
    Allowable angular misalignment 0.5°
    Allowable parallel misalignment 0.38mm 0.38mm 0.38mm

Construction

Structural drawing

Insert fittings

・S Type : Nitrile

・M Type : Urethane

・H Type: Hytrel®


Hub

・Iron-Based Sintered Alloy

※L190 and L225 are cast iron.

※Hytrel® is a registered trademark of DuPont.

Catalogs ・Instruction Manuals

Model No. examples

With plain bore
L 090 - M

Aluminum hub plain bore
L 090 A - S

Plated
L 090 F - M

Units with pre-machined shaft bores
L 070 A - S - 15 J X 20 J N

Size

Hub
No symbol :Standard package  
A:Aluminum
F:Plated

Insert fittings
S:Nitrile
M:Urethane
H:Hytrel

Left Hub Shaft Bore Diameter  
mm

Left hub keyway  
J:New JIS standard key
E:Old JIS key

Right Hub Shaft Bore Diameter  
mm

Right hub keyway  
J:New JIS standard key
E:Old JIS key

Shaft bore tolerance
No symbol :H7
N:Tolerance for motor shafts

List of Model Numbers

※Click the model No. for detailed information.

Insert material Sintered hub type
Standard package
Sintered hub type
Plated
Aluminum hub type
Nitrile L035-S L035F-S ---
Nitrile L050-S L050F-S L050A-S
Hytrel L050-H L050F-H ---
Nitrile L070-S L070F-S L070A-S
Urethane L070-M L070F-M ---
Hytrel L070-H L070F-H ---
Nitrile L075-S L075F-S L075A-S
Urethane L075-M L075F-M ---
Hytrel L075-H L075F-H ---
Nitrile L090-S L090F-S L090A-S
Urethane L090-M L090F-M ---
Hytrel L090-H L090F-H ---
Nitrile L095-S L095F-S L095A-S
Urethane L095-M L095F-M ---
Hytrel L095-H L095F-H ---
Nitrile L099-S L099F-S ---
Urethane L099-M L099F-M ---
Hytrel L099-H L099F-H ---
Nitrile L100-S L100F-S L100A-S
Urethane L100-M L100F-M ---
Hytrel L100-H L100F-H ---
Nitrile L110-S L110F-S L110A-S
Urethane L110-M L110F-M ---
Hytrel L110-H L110F-H ---
Nitrile L150-S L150F-S ---
Urethane L150-M L150F-M ---
Hytrel L150-H L150F-H ---
Nitrile L190-S L190F-S ---
Urethane L190-M L190F-M ---
Hytrel L190-H L190F-H ---
Nitrile L225-S L225F-S ---
Urethane L225-M L225F-M ---
Hytrel L225-H L225F-H ---
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