RH-N


Solid shaft gearheads

Highest flexibility and precision, the way you want it

The solid shaft gearheads of the RH-N series are based on our compact RV-N component sets. They are a perfect plug and play solution and directly ready to use.
That makes these precision gears ideal for use in machine tools, in modern rotary indexers and in different handling applications.

Our top products of RH-N series

RH-42N

Positioning accuracy:
0.5 - 1 arc.min.
Allowable acceleration torque:
1,029 Nm
Outer diameter:
159 mm
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RH-125N

Positioning accuracy:
0.5 - 1 arc.min.
Allowable acceleration torque:
3,062 Nm
Outer diameter:
221 mm
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RH-160N

Positioning accuracy:
0.5 - 1 arc.min.
Allowable acceleration torque:
4,000 Nm
Outer diameter:
238 mm
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Solid shaft gearheads, customisable, low-maintenance

Integrated drive pinion and motor flange for current motor types

Completely enclosed, pre-filled with lubricant

High precision

The RH-N series was specially developed for the European market and is manufactured locally. The gearheads achieve outstanding torque performance as well as a high degree of precision in a compact design! Since a drive pinion and motor flange for all current motor types are already integrated in the gearhead, integration in the drive train is fast and easy. An uncomplicated plug & play solution for every machine design engineer!

We deliver the gearheads of the RH-N series pre-filled with lubricant (optionally with H1 grease) and completely enclosed. This makes them ideal for palletising applications in medical technology and foodstuff production! These eccentric gears are also used in milling heads. On request we can adapt them to your individual application!

Applications for RH-N solid shaft gearheads

Handling

Highly dynamic pick & place applications with SCARA and Delta robots

Packaging technology

Pick & place and palletising – also in the food industry

Machine tool building

Magazine drives and handling of very large loads

Medical technology

Imaging processes such as X-ray, MRI or ultrasonic examinations

Technical data

Specifications

Model RH-

25N

42N

60N

80N

125N

160N

380N

500N

700N

Standard ratio

41
81
107.66
126
137
164.07

41
81
105
126
141
164.07 

41
81
102.17
121
145.61
161 

41
81
101
129
141
171 

41
81
102.17
121
145.61
161

41
81
102.81
125.21
156
201   

75
93
117
139
162
185

81
105
123
144
159
192.75

105
118
142.44
159
183
203.52

Rated torque (Nm)

245

412

600

784

1,225

1,600

3,724

4,900

7,000

Allowable acc. / dec. torque (Nm)

612

1,029

1,500

1,960

3,062

4,000

9,310

12,250

17,500

Emergency stop torque (Nm)

1,225

2,058

3,000

3,920

6,125

8,000

18,620

24,500

35,000

Hysteresis loss (arcmin)

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

1.0

Torsional rigidity (Nm / arcmin)

61

113

200

212

334

490

948

1,620

2,600

Main bearing
capacity

Allowable moment (Nm)

784

1,660

2,000

2,700

3,430

4,000

7,050

11,000

15,000

Axial load (N)

2,610

5,220

5,880

6,530

13,000

14,700

25,000

32,000

44,000

 

Dimensions

Model RH-

25N

42N

60N

80N

125N

160N

380N

500N

700N

Weight (kg) *

7

11

16

17

23

33

On
request

77

On
request

A (mm)

1FK703 ❑-… (1)

112.5

117.5

-

-

-

-

-

1FK704 ❑-… (1)

122.5

127.5

134

141

-

-

-

1FK706 ❑-… (1)

132.5

137.5

144

151

155.4

181.5

219

1FK708 ❑-… (1)

-

145.5

151

159

163.4

189.5

227

1FK710 ❑-… (1)

-

-

-

-

185.4

211.5

249

B (Ø mm)

133

159

183

189

221

238

325

C h7 (Ø mm)

94

118

140

140

160

179

253

D (mm)

1FK703 ❑-… (1)

Ø 90

Ø 90

-

-

-

-

-

1FK704 ❑-… (1)

Ø 120

Ø 120

❑ 138

❑ 138

-

-

-

1FK706 ❑-… (1)

❑ 126

❑ 126

❑ 138

❑ 138

❑ 126

❑ 126

❑ 126

1FK708 ❑-… (1)

-

❑ 155

❑ 155

❑ 155

❑ 175

❑ 175

❑ 175

1FK710 ❑-… (1)

-

-

-

-

❑ 192

❑ 192

❑ 192

E (mm) **

101.5

106.5

113

120

127.9

154

191.5

  * Reference value unlubricated, dependent on model and choice of motor. Optional: aluminium flange design
** Optional: gear without predefined motor flange with predefined interface for customer design

(1) This table was prepared based on Siemens servomotors. Combination with other servomotors possible on request.

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CAD data

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