ONE-WAY CLUTCHES

TCMRoHS compliant

The TCM type clutches must be sold in combination with customized housings. (The clutch elements cannot be sold separately.)

Features・Various shapes of housings such as gears, pulleys,levers, cams, etc. can be manufactured.

Inner Diameter［mm］

Outer Diameter
［mm］

Width
［mm］

Φ3 ＋0.02

Φ10≦8≦

・Locking direction can be identified by the colorof the retainer.

Φ4 ＋0.08
＋0.02

Φ12≦

8.5≦

・Maintenance-free products that do not require
additional lubrication.

Φ5 ＋0.02

Φ13≦

8.5≦

Φ13≦

8≦

Φ14≦8.5≦

Φ16≦

8.5≦

Φ15≦

10≦

Φ16≦

8.5≦

Φ18≦

8.5≦

Φ22≦

8.5≦

・ Shafts with wide tolerances can be used,which can be expected to reduce the cost of shafts.
GearCam

Product Image

Housing design＋0.08

・No clutch disengagement over time due tosnap-fit fixation of housing and clutch.

Lever＋0.08

・Custom torque limiters with one-way clutches
can also be manufactured.

PulleyΦ6 ＋0.02＋0.08

Standard specifications
Allowable Torque［N·m］(lbf·in)

Φ30-0.0250Φ4 -0.030
Φ5 -0.030
Φ6 -0.03

0Φ6.35 -0.03

0Φ8 -0.036

0Φ10-0.036

0.08

2.94≧

（0.71）（0.026）≧0.18

Backlash［° ］

Locking Direction（Shaft fixed）

Model No.

CCW

TCM-310-B

CW

TCM-310-RB

2.94≧

CCW

TCM-412-6-B（1.59）（0.026）≧CW

TCM-412-6-RB

0.29

2.94≧

（2.57）（0.026）≧

CCW

TCM-513-B

0.34

3.92≧

CCW

TCM-613-B-No.14（3.01）（0.035）≧CW

TCM-613-RB-No.14

0.49

2.94≧

CCW

TCM-614-AB（4.34）（0.026）≧CW

TCM-614-ARB

Product specifications

0.59

2.94≧

CCW

TCM-616-AB（5.22）（0.026）≧

TCM-616-ARB

Durability

CW

0.59

2.94≧

CCW

TCM-6.35-B

3.0（5.22）（0.026）≧CW

TCM-6.35-RB

2.50.64

2.94≧

CCW

TCM-816-AB

2.0（5.66）（0.026）≧CW

TCM-816-ARB

0.78

2.94≧

CCW

TCM-818-AB（6.90）（0.026）≧CW

TCM-818-ARB

0.98

2.94≧

CCW

TCM-1022-AB

0.5（8.67）（0.026）≧CW

TCM-1022-ARB

05.0≧

2.5≧

Φ6.35

＋0.08

Φ10

Outer diameter①Housing

3②Outer sleeve③Retainer④Needle⑤Spring

Plastic (POM) /recommendation
Iron-based sintering
Plastic (POM)
Bearing steel
Stainless steel

TCM-310-RB
TCM-412-6-B
TCM-412-6-RB
TCM-513-B
TCM-613-B-No.14
TCM-613-RB-No.14
TCM-614-AB
TCM-614-ARB
TCM-616-AB
TCM-616-ARB
TCM-6.35-B
TCM-6.35-RB
TCM-816-AB
TCM-816-ARB
TCM-818-AB
TCM-818-ARB
TCM-1022-AB
TCM-1022-ARB

Oscillation angle：30°

TCM-310
TCM-412
TCM-513
TCM-614,616
TCM-816,818
TCM-1022

1.0

0Components and materials
5TCM-310-B

Engagement cycles：240 times / min

102030405060708090100

Engagement cycles［×10⁴cycles］

Width4＋0.08＋0.02

1.5Components

1＋0.08＋0.02

Φ8 ＋0.02

Backlash［mm］

Free Torque［mN·m］(lbf·in)﹇ deg.
﹈

Application Shaft

Model No.

Radial load：9.8N（1kgf）
Shaft material：Carbon tool steel
Shaft tolerance：Same as the application shaft
Surface hardness：700Hv 0.1 or more

Operation temperature
０-60℃（32-140℉）

Recommended shaft
Material

Bearing steel・stainless steel・carbon tool steel

Surfacehardness

600 〜 800Hv 0.1
Effective hardening layer 0.1 ㎜ or more
Plating deprecated

Shaft
Diameter

Refer to the standard specifications

Recommended shaft specifications
are published on the web.

2TOK, Inc.

１

1-17-12, Azusawa, Itabashi, Tokyo, 174-8501, Japan

Tel +81-3-3969-1584

Web tok-inc.com/en

２

ONE-WAY CLUTCHES

ONE-WAY CLUTCHES

TCJ

TCK

RoHS compliant

The TCJ type clutches can also be sold in combination with customized housings.

RoHS compliant

The TCK type clutches can also be sold in combination with customized housings.

Features・Can be press-fitted into housings of various shapes suchas gears, pulleys, levers, cams, etc.

※１

The inserted direction determines
the locking direction.

・Shafts with wide tolerances can be used,which can be expected to reduce the cost of shafts.

・Shafts with wide tolerances can be used,which can be expected to reduce the cost of shafts.

・No need to prepare bearings (built-in sintered bearings)

・Maintenance-free products that do not require
additional lubrication.

・Compact, high-torque, usable in high-temperature environments.
（Permissible upper temperature limit: 140°C / 284℉.）

Allowable torqueFree torque［mm］［N·m］(lbf·in)［mN·m］(lbf·in)

0-0.030.78(6.90)

2.94 (0.026) or less

Application shaft
Φ6Clutch element dimensions [mm]

LOCK(SHAFT FIXED)

8 ±0.2

Locking direction

Backlash※１

2.5 or lessStandard specifications

Product name（Shaft Fixed）［° ］

・Compact design.
Product Image

Allowable torque［N·m］(lbf·in)［mN·m］(lbf·in)Free torqueBacklashLocking direction0
Φ6 -0.03

0.59 (5.22)

2.94 (0.026) or less

2.5 or less

CCW
CW

［mm］

TCJ-614-RB-H

TCJ-614-RB-H

3×11.6 ±0.05﹈
deg.

1.5

TCK-614-B-C
3.0

LOCK(SHAFT FIXED)6.3 ±0.2±0.2°

2.5

1.0.2±0Backlash

6× 60°

0.502040608011.95±0.030100

Engagement cycles［×10⁴cycles］

2.0
1.5
0.5

1.000200.

6×R1.5

Radial load：9.8N（1kgf）
Locking direction CW

Shaft material：Carbon tool steel
Shaft tolerance：Same as the application shaft
Surface hardness：700Hv 0.1 or more

Locking direction CCW

Lock

Lock
＜＜＜＜

Sinteredbearing side

(Shaft fixed)(Shaft fixed)

Sinteredbearing side

Housing design [mm] ※Material: POM recommended.
Outer diameterΦ14≦Width8≦Φ6Inner diameter+0.08+0.02（When the housing has an inner diameter, a minimum width of 9 is required.）Components and materials
Outer sleeve

Hardened steel

Retainer

Super engineering plastic

NeedleBearing steel

SpringStainless steel

Cap

Copper sintering

Can be offered in combination with housing.

Material

Clutch element

Combination with housing

TOK, Inc.

３

Bearing steel・stainless steel・carbon tool steel

600 〜 800Hv 0.1
Surfacehardness Effective hardening layer 0.1 ㎜ or more
Plating deprecated
Shaft
Diameter Refer to the standard specifications

CAD data downloadEngagement cycles：240 times / min
Oscillation angle：30°

Outer sleeve

Iron-based sintering

Radial load：9.8N（1kgf）

Retainer

Super engineering plastic

Shaft material：Carbon tool steel

NeedleBearing steel

SpringStainless steel

Outer diameterΦ14≦

Width7.3≦

Inner diameterΦ60-60℃ (32-140℉)

Recommended shaft

Can be offered in combination with housing.

Material

Bearing steel・stainless steel・carbon tool steel

Recommended shaft
specification

600 〜 800Hv 0.1
Surfacehardness Effective hardening layer 0.1 ㎜ or more
Plating deprecated
Shaft
Diameter Refer to the standard specifications

Clutch element

Combination with housing

TOK, Inc.

CAD data download

1-17-12, Azusawa, Itabashi, Tokyo, 174-8501, Japan

1-17-12, Azusawa, Itabashi, Tokyo, 174-8501, Japan

Tel +81-3-3969-1584

Tel +81-3-3969-1584

Web tok-inc.com/en

Operation temperature

+0.08
+0.02

Assembly
Recommended shaft
specification

Shaft tolerance：Same as the application shaft
Surface hardness：700Hv 0.1 or more

Stainless steel

Housing design [mm] ※Material: POM recommended.

Operation temperature

Recommended shaft+0.2
0Components and materials

Cap0-140℃ (32-284℉)

Assembly100

2

Engagement cycles：240 times / min
Oscillation angle：30°+0.06

12 0804±+0.07

6 +0.01

60

26.

+0.07

40

Engagement cycles［×10⁴cycles］

6 ++0.08
0.0

6 +0.01

TCK-614-B-C
TCK-614-RB-C

Durability

11﹇2.0Product name（Shaft Fixed）［° ］

Clutch element dimensions [mm]【TCK-614-B-C】

2.5

TCK-614-RB-C

Application shaft

Durability
3.0

TCK-614-B-C﹈
deg.

Standard specifications

Locking direction CW ・Maintenance-free products that do not require
additional lubrication.

BacklashLocking direction CCW﹇Product image

Features・Can be press-fitted into housings of various shapes suchas gears, pulleys, levers, cams, etc.

Web tok-inc.com/en４