Drawing Library   Locking Device

KE Series

Model No.  PL□□X□□KE

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With a lineup from small diameter shafts, it can be used for a wide range of shaft tolerances.

  • ・Designed to suit a wide range of shaft tolerances. Standard models can accommodate plus shaft tolerances of servomotors, etc.
  • ・Smaller inner/outer diameter ratio, compatible with small-diameter hubs. Compact design is possible.
  • ・Suitable for locking small stepping motors and servo motor output shafts with a range of small diameter sizes.
  • ・Simple structure with a small number of parts and excellent cost performance.
  • ・In addition to stainless steel series and electroless nickel plating series, Low Contact Pressure series are also available.
  • ※With its self-centering function, eliminates the hassle of machining on hubs for guide portions.
  • ※No hub movement during assembling.
Taper specification

Single taper

Centering function

Provided

Applicable shaft diameter

Φ5~Φ100

Torque range

7.5~9900N・m

Applicable tolerance

Shaft :h6,h7,js6,js7,k6,m6
Hub hole :H8

Applicable surface roughness

Ra1.6

AS Series

Model No.  PL□□X□□AS

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It is the most popular global standard model.

  • ・Many manufacturers are available both domestically and abroad, and this series is highly compatible.
  • ・Fewer bolts compared to other company’s products by employing high-strength locking bolts, allowing reduced time and manpower for installation.
  • ・The large taper angle makes it easy to tighten and remove. The easiest to handle in the series.
  • ・It covers a wide range of shaft diameters from Φ19 to Φ500. Inch size is also available.
  • ・Stainless steel specifications and electroless nickel plating specifications are also available. Can be selected by applications.
  • ※It does not have a self-centering function, so it is necessary to provide a guide part on the hub.
  • ※No hub movement during assembling.
Taper specification

Double taper

Centering function

None

Applicable shaft diameter

Φ19~Φ500

Torque range

294~555000N・m

Applicable tolerance

Shaft :h8 Hub hole :H8

Applicable surface roughness

Ra1.6

AD-N Series

Model No.  PL□□X□□AD-N

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High torque transmission capacity type

  • ・Capable of transmitting 1.5 to 3 times the AS Series rated torque capacity.
  • ・Designed with the same inner and outer diameters as the AS Series, you can use fewer units of the AD-N Series to replace AS Series units.
  • ・Packages finished with electroless nickel plating are also available. perfect for applications requiring very high capacity in clean room environments.
  • ・Only Tsubaki products are available from Φ19. Large capacity torque transmission for small diameter shafts should be left to.
  • ※Careful work is required for assembly and removal.
  • ※Self-centering function available. No need for the hassle of machining on hubs for guide portions.
  • ※No hub movement during assembling.
Taper specification

Double taper

Centering function

Provided

Applicable shaft diameter

Φ19~Φ300

Torque range

382~429000N・m

Applicable tolerance

Shaft :h8 Hub hole :H8

Applicable surface roughness

Ra1.6

AE Series

Model No.  PL□□X□□AE

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Type with flange and self-centering function that has the same inner and outer diameters as the AS series.

  • ・This Series has the same inner and outer diameters as AS Series, and is suitable when a centering guide part is not provided.
  • ・Simply constructed with only an inner and an outer ring and a few locking bolts.
  • ・Many manufacturers are available both domestically and abroad, and this series is highly compatible.
  • ※Self-centering function available. No need for the hassle of machining on hubs for guide portions.
  • ※No hub movement during assembling.
  • ※In the case of step shaft installation, make sure the space between the hub and the steps is greater than 1 mm.
    If there is no space, it may be difficult to remove.
Taper specification

Single taper

Centering function

Provided

Applicable shaft diameter

Φ19~Φ150

Torque range

265~27000N・m

Applicable tolerance

Shaft :h8 Hub hole :H8

Applicable surface roughness

Ra1.6

TF Series

Model No.  PL□□X□□TF

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Suitable for small hub applications with the small inner-to-outer diameter ratio.

  • ・Designed to fit small hub diameters with the smallest available inner-to-outer diameter ratio of our Power Lock series.
  • ・Minimum number of locking bolts used, enabling reduced installation time.
  • ・Many manufacturers are available both domestically and abroad, and this series is highly compatible.
  • ・Packages finished with electroless nickel plating are also available.
  • ・Constructed of the following four parts: inner and outer rings, a spacer and locking bolts.
  • ※Self-centering function available. No need for the hassle of machining on hubs for guide portions.
  • ※No hub movement during assembling.
Taper specification

Single taper

Centering function

Provided

Applicable shaft diameter

Φ6~Φ90

Torque range

11~8820N・m

Applicable tolerance

Shaft :h8 Hub hole :H8

Applicable surface roughness

Ra1.6

EL Series

Model No.  PL□□X□□E

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The simplest element type allows for optimal design.

  • ・You are free to select the tightening of bolts and number of EL Power Rocks to be installed, so various design configurations are available depending on the required locking force.
  • The complete ring shape design offers excellent dynamic balance.
  • ・Compact and lightweight. Requires a minimum of installation space.
  • ・Provides superior cost performance and fit for applications requiring many Power-Locks.
  • ・Many manufacturers are available both domestically and abroad, and this series is highly compatible.
  • ※The pressure flange, pressure sleeve, and locking bolt must be prepared by the customer.
  • ※Outering pressurize is basic. In this case, there is no hub movement during assembly.
  • ※It does not have a self-centering function, so it is necessary to provide a guide part on the hub.
Taper specification

Single taper

Centering function

None

Applicable shaft diameter

Φ10~Φ150

Torque range

6.9~10500N・m

Applicable tolerance

Shaft :
 Φ10~38 h6
 Φ40 or over h8
Hub hole :
 Φ10~38 H7
 Φ40 or over H8

Applicable surface roughness

Ra0.8

EF Series

Model No.  PL□□X□□EF

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A pressure flange integrated type with the same inner and outer diameters as the EL series.

  • ・The EF Series, designed with the same inner and outer diameters as the EL Series, integrated pressure flange saves you the hassle of making a pressure flange.
  • ・The EF Series offers 2 to 3 times the rated torque capacity of the EL Series. You can use fewer units of the EF Series to replace EL Series unit.
  • ・Suitable for small hub applications with the small inner-to-outer diameter ratio.
  • ・Simply constructed with only an inner and an outer ring and a few locking bolts.
  • ・Tsubaki's original series, which are not available in any other company.
  • ※Self-centering function available. No need for the hassle of machining on hubs for guide portions.
  • ※When assembling, the hub moves slightly toward the front in the axial direction. Please contact Tsubaki representatives for details.
Taper specification

Single taper

Centering function

Provided

Applicable shaft diameter

Φ10~Φ120

Torque range

39~12600N・m

Applicable tolerance

Shaft :h8 Hub hole :H8

Applicable surface roughness

Ra1.6

ML Series

Model No.  PL□□X□□M/MG

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These units are quick to connect with a single nut.

  • ・Can be easily locked with a single nut. Installation time can be significantly reduced.
  • ・Surface plated, simple rust prevention, and special surface treated nuts do not require oil to be applied during assembly.
  • ・Only available in the series for mounting on hubs shorter than the POWER-LOCK width.
  • ・The locking torque can be changed in the range of 1/2 to 1.1 times the standard. Can be used according to the strength of the hub.
  • ※ML type for shaft diameters up to Φ32 and MG type for Φ34 and over, and appearance also differs.
  • ※Self-centering function available. No need for the hassle of machining on hubs for guide portions.
  • ※When assembling, the hub moves slightly toward the back in the axial direction. Please contact Tsubaki representatives for details.
Taper specification

Single taper

Centering function

Provided

Applicable shaft diameter

Φ5~Φ75

Torque range

6.76~2000N・m

Applicable tolerance

Shaft :h8 Hub hole :H8

Applicable surface roughness

Ra1.6

SL Series

Model No.  PL□□X□□SL

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External locking type to tightened from the outside of the hub.

  • ・Especially suitable for hollow shaft connections such as reducers.
  • ・It can be used where design limitations force the use of thin-walled hubs.
  • ・Coated with a special lubricant eliminating the necessity to apply oil and grease .
  • ・The larger the shaft diameter, the greater the torque can be transmitted.
  • ・Simple structure for easy mounting and removal.
  • ※No hub movement during assembling.
  • ※When used for a hollow shaft, the inner diameter of the hollow shaft must be considered at the time of selection.
Taper specification

Double taper

Centering function

No need due to external locking type.

Applicable hub outer diameter

Φ24~Φ300

Torque range

167~290000N・m

Applicable tolerance

Hub outer diameter :h7 Hub hole :H7

Applicable surface roughness

Ra1.6

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