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  • Assembled and Lubricated
  • Hollow Type Flex Spline
  • Ring Type Circular Spline
  • Hollow Shaft
  • Crossed Roller Bearing Included
Unit of Measure

Specifications

Old Part Number

 N/A WTI-S-20-120-PH

Series

 N/A Standard

Performance

 N/A Hollow Shaft

Reduction Ratio

 N/A 120

Input Torque

 N/A 2000 rpms

Input Shaft Diameter

 N/A 21 mm

Rated Torque at Input

 N/A 4.1 kgf·m40 N·m

Peak Torque at start/stop

 N/A 8.9 kgf·m87 N·m

Instantaneous permissible max. torque

 N/A 15 kgf·m147 N·m

Dimensional Drawing


Datorker® Strain Wave Gearing Systems-DSHPH - Dimensional Drawing

Dimensions

A

 N/A 70 mm h6

B

 N/A 51.5 mm

C1

 N/A 9.5 mm

C2

 N/A 29 mm

C3

 N/A 13 mm

E

 N/A 8.5 mm

F

 N/A 90 mm h7

G

 N/A 70 mm H7

H

 N/A 30 mm h7

I

 N/A 21 mm H7

J

 N/A 30 mm f7

K

 N/A 21 mm H7

L1

 N/A 2x6

L2

 N/A M3xDP6

M

 N/A 25.5 mm

N1

 N/A 12 mm

N2

 N/A 3.5 mm

O

 N/A 84 mm

P1

 N/A 4 mm

P2

 N/A M3

P3

 N/A 15 º

Q1

 N/A 16

Q2

 N/A M3xDP6

Q3

 N/A 3.5xDP7.5

R

 N/A 62 mm

S

 N/A 22.5 º

T

 N/A 11.25 º