Helical Gear Shaft-mounted Reducers  SMR Series

  • These helical gear reducers, adopting a hollow output shaft, can be directly mounted on the driven shaft.
  • No mounting space required.
  • Self-centering. Mounts in any direction. Easy to install.
  • Available with a straight shaft or tapered bush.

※Notice regarding product discontinuation in June 2019

Model No. Designation

SM 307 S 25 S 85
SM 307 B 20 T 80 -L
SM 307 F 12 T 75

Series

Size

Type

Reduction ratio

Output shaft specifications

Output shaft bore diameter

Rotating Direction of Cam Clutch
100,103,
107,115,
203,207,215,
307,315,
407M,415M
S: Standard package
 ( With tie rod )
B:With backstopping cam clutch
 ( With tie rod )
F: Flange mounting type
 ( No tie rod )
SM100~315:
 i=5,12,15,20,25

SM407M~415M:
 i=15,25
S: Straight shaft
 (SM100~415M)

T:Taper Bush
 (SM107~315)
* Display B type only
 L: Output shaft turns left
 R: Output shaft turns right


Mounting Positions

The following mounting variations are available. Specify the mounting position by number when you place your order.
Contact us about delivery times for special mounting styles. Also contact us if the unit is to be inclined ± 10° more than the positions given below. This will change the oil level and the location of the bulls-eye gauge and each plug.
* If mounting type is not specified, the delivered products will be of the type in Mounting Example 1.


Model No. Navigation

Selected model No.:

* Select each item in order from the left to make sure a valid model number is generated.

Series Size Type Reduction ratio Output shaft specifications Output shaft bore diameter Rotating Direction of Cam Clutch
SM











   
   
   
   
   
   
   
   
  




Size

This indicates the size of the gear reducer.

Type

S: Standard type with tie rod

B: Backstop cam clutch type with tie rod

F: Flange mount package with no tie rod

Reduction ratio

This indicates the reduction ratio.

Output shaft specifications

S: Straight shaft

T:Taper Bush

Output shaft bore diameter

This shows the bore diameter of the output shaft.

Rotating Direction of Cam Clutch

This shows the rotating direction of the output shaft as viewed from the input shaft.

-L: Output shaft turns left

-R: Output shaft turns right

List of Model Numbers

※ Click the model No. for detailed information. Expand all Collapse all

Model No.  SM100

Reduction ratio S Type : Standard package
( With tie rod )
F Type : Flange mounting type
( No tie rod )
Straight shaft φ25,φ30 Straight shaft φ25,φ30
1/5 SM100S05S25
SM100S05S30
SM100F05S25
SM100F05S30
1/12 SM100S12S25
SM100S12S30
SM100F12S25
SM100F12S30
1/15 SM100S15S25
SM100S15S30
SM100F15S25
SM100F15S30
1/20 SM100S20S25
SM100S20S30
SM100F20S25
SM100F20S30
1/25 SM100S25S25
SM100S25S30
SM100F25S25
SM100F25S30
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Model No.  SM103

Reduction ratio S Type : Standard package
( With tie rod )
F Type : Flange mounting type
( No tie rod )
Straight shaft φ35 Straight shaft φ35
1/5 SM103S05S35 SM103F05S35
1/12 SM103S12S35 SM103F12S35
1/15 SM103S15S35 SM103F15S35
1/20 SM103S20S35 SM103F20S35
1/25 SM103S25S35 SM103F25S35
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Model No.  SM107

Model No.  SM115

Model No.  SM203

Model No.  SM207

Model No.  SM215

Model No.  SM307

Model No.  SM315

Model No.  SM407M

Reduction ratio S Type : Standard package
( With tie rod )
B Type : With backstopping cam clutch
( With tie rod )
F Type : Flange mounting type
( No tie rod )
Straight shaft φ110 Straight shaft φ110 Straight shaft φ110
1/15 SM407MS15S110 SM407MB15S110-L
SM407MB15S110-R
SM407MF15S110
1/25 SM407MS25S110 SM407MB25S110-L
SM407MB25S110-R
SM407MF25S110

Taper Bush are made-to-order. Contact a Tsubaki representative for more information.

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Model No.  SM415M

Reduction ratio S Type : Standard package
( With tie rod )
B Type : With backstopping cam clutch
( With tie rod )
F Type : Flange mounting type
( No tie rod )
Straight shaft φ120 Straight shaft φ120 Straight shaft φ120
1/15 SM415MS15S120 SM415MB15S120-L
SM415MB15S120-R
SM415MF15S120
1/25 SM415MS25S120 SM415MB25S120-L
SM415MB25S120-R
SM415MF25S120

Taper Bush are made-to-order. Contact a Tsubaki representative for more information.

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( Drag to move. )

Output Shaft Bore Diameters

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( Drag to move. )

Rotating Direction of Cam Clutch

Looking at the reducer from the front (input shaft side), reducers with the output shaft rotating in the left-hand direction are indicated as "L" and those with the output shaft rotating in the right-hand direction are indicated as "R".