Oldham couplings / body: steel, cast iron / RD / KAYSEVEN

Compact, simple structure, with easy to absorb eccentricity and centering. Widely used in robots, resin molding materials, conveying equipment, printing machines, machine tools, and pumps etc.

[Features]
· Compact and simple structure.
· Like the MD series, it consists of three parts, the hub parts and an intermediate torque transmission part.
· Oldham type coupling absorbs eccentric misalignment.
· Dial gauge is not necessary for centering work at installation.
· Visual observation is sufficient.
· The intermediate torque transmission part is made of resin, and so does not require lubricant.
· No reactive force due to misalignment, contributing to energy conservation, with assembly and installation easy.
· Simple structure, and even in the event of damage to the intermediate transmission part, power transmission is possible.
· Thermally and electrically insulated by the intermediate transmission part.
· Friction joint employed for fastening to shaft.

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Part Numbers

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Part Number
RD-85
RD-100
RD-120
RD-150

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Allowable Torque Range (N•m)	Outer Diameter K (mm)	Full length A (mm)	Max. Rotational Speed Range (r/min)	Body Material	Rated Torque (Nm)	Max. Rotational Speed (r/min)	Operating Temperature Range (°C)	Package products / single item
44.20 €	1	7 Days	10	100～Less than 500	85	62	4,001 to 10,000	[Steel] EN-JS 1050 Equiv.	123	8000	-	Set Product
80.05 €	1	7 Days	10	100～Less than 500	100	68	4,001 to 10,000	[Steel] EN-JS 1050 Equiv.	176	7000	-	Set Product
109.01 €	1	14 Days	10	100～Less than 500	120	86	4,001 to 10,000	[Steel] EN-JS 1050 Equiv.	258	6500	-	Set Product
129.28 €	1	7 Days	10	100～Less than 500	150	108	4,001 to 10,000	[Steel] EN-JS 1050 Equiv.	450	6000	-	Set Product

Basic information

Type	Jaw Type	Allowable Misalignment	NA	Application	Standard
Properties	Compact	Category	Coupling body

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Basic Attributes

Outer Diameter K(mm)
56

85

100

120

150
Clear
Full length A(mm)
20

21

22

23

25

58

62

68

86

108
Clear
Max. Rotational Speed Range(r/min)
4,001 to 10,000
Clear
Body Material
- Steel
  - EN-JS 1050 Equiv.
  - Iron-Copper-Carbon Steel (JIS-SMF4040)
- Polyacetal Resin
Clear
Rated Torque(Nm)
44

123

176

258

450
Clear
Max. Rotational Speed(r/min)
6000

6500

7000

8000

10000
Clear
Package products / single item
- Set Product
- Transmitter Component
Clear
Type
- RD
Clear
Allowable Torque Range(N•m)
20～Less than 50

100～Less than 500
Clear