Ball guides assembled (Bushing / Cage / Shaft) (Part Numbers)

Ball-bearing guides for linear and rotational movements without backlash for use in all technical areas where reliability and precision are required.

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MARMOTION. High-Precision Rotary Stroke Bearings - Product Lineup

Guide Shafts

N400		to DIN 9825
N421		with internal thread on press - in side
N423		with internal thread on guide side
N425		with internal thread on both sides

Ball Cages

N500		Plastic
N501		Brass
N511		Brass with Circlip

Guide Bushes

N550		open
N552		closed with Stop Rings
N553		closed with Sealing Rings
N570		closed with Wiper Seals

Ball Cages Mini Range

N502

Brass

Guide Bushes Mini Range

N550		open
N552		closed with Stop Rings

Bellows

N820

Chrome Leather

General Description

Recent decades have seen high-precision Mahr MarMotion rotary stroke bearings for linear and rotary motion extend their area of application from the pressing tool sector to include general mechanical engineering, precision mechanical and optical engineering and a wide range of specialized fields.
In the course of this development work, Mahr has devised computation formulae based on the company's long experience and supported by close cooperation with various technical colleges and universities. This expertise helps designers to optimize the rotary stroke bearing for a particular application. This results in excellent guiding accuracy, optimum reliability and long service life.
The rotary stroke bearings manufactured with great precision by Mahr mean that the user can be sure that components are interchangeable. The MarMotion high-precision rotary stroke bearing can therefore be considered an integral part of the mechanical and design elements.

Features

The main features of the MarMotion high-precision rotary stroke bearings are as follows:

Maximum guiding accuracy

The MarMotion high-precision rotary stroke bearing offers high guiding accuracy for both linear and rotary movements. This is guaranteed by the micro-finished running faces of shafts and bushes, whose accuracy of form in terms of roundness and cylindricity lies within 1/3 of ISO tolerance class IT 3. The exclusive use of grade 5, sorting class P0 steel balls (DIN 5401 or ISO 3290) also contributes to the high degree of guiding accuracy.

Backlash-free guiding

There is no backlash whatsoever in the guide because the balls are preloaded under a tension of a few μm between the shaft and the bush. Optimum preloading is ensured in the factory by pairing the shaft, ball cage and bush. This simplifies the process of fitting the rotary stroke bearing.

Smooth running

The MarMotion high-precision rotary stroke bearing ensures both maximum guiding accuracy and very low friction.
A pure contact rolling motion of the balls on the micro-finished running faces ensures very low friction. The coefficient of friction lies between 0.001 and 0.008 and ensures smooth running.

High loading capacity and guiding rigidity

The dense arrangement of the balls and the high form and dimensional accuracy of the balls and bearing faces provide a large number of contact points, thereby ensuring uniform distribution of the load in the guide. The designer can make optimum use of the available space. The functional reliability of the guide is significantly increased.

Rapid movements, high acceleration

The low friction rolling action in the MarMotion high-precision rotary stroke bearing enables rapid movements and high acceleration. The low inertia forces of plastic cages make these particularly well suited for high-frequency linear and rotary movements.

Long service life

Careful selection and heat treatment of the materials used, coupled with top quality bearing faces, means that the MarMotion high-precision rotary stroke bearings are particularly resistant to abrasion.

Minimum maintenance

In most cases, a thin film of lubricant is sufficient for several months' continuous operation. The outlay required for maintenance during operation is minimal.

Interchangeability

All individual components are interchangeable. This is due to continuous quality control, the exclusive use of balls of sorting group P0, and the machining of shafts and bushes to a high standard of precision. This ensures problem-free continuous operation.

Special designs

The extensive range of MarMotion high-precision rotary stroke bearings offers appropriate solutions for many different applications. We can also manufacture special designs for particular applications and requirements on the basis of workpiece drawings. Using alternative materials can also open up new possibilities.

Data to be displayed: 30; 45; 60

Part Number
5002021.5001128.5010864
5002021.5001128.5010865
5002021.5001128.5010866
5002021.5001128.5010867
5002021.5001129.5010051
5002021.5001129.5010053
5002021.5001129.5010054
5002021.5001129.5010056
5002021.5001129.5010058
5002021.5001129.5010060
5002021.5001129.5010061
5002021.5001129.5010861
5002021.5001129.5010862
5002021.5001129.5010863
5002021.5001129.5010864
5002021.5001129.5010865
5002021.5001129.5010866
5002021.5001129.5010867
5002021.5001130.5010051
5002021.5001130.5010053
5002021.5001130.5010054
5002021.5001130.5010056
5002021.5001130.5010058
5002021.5001130.5010060
5002021.5001130.5010061
5002021.5001130.5010861
5002021.5001130.5010862
5002021.5001130.5010863
5002021.5001130.5010864
5002021.5001130.5010865
5002021.5001130.5010866
5002021.5001130.5010867
5002022.5000001.5010051
5002022.5000001.5010053
5002022.5000001.5010054
5002022.5000001.5010056
5002022.5000001.5010058
5002022.5000001.5010060
5002022.5000001.5010061
5002022.5000001.5010861
5002022.5000001.5010862
5002022.5000001.5010863
5002022.5000001.5010864
5002022.5000001.5010865
5002022.5000001.5010866
5002022.5000001.5010867
5002022.5000002.5010051
5002022.5000002.5010053
5002022.5000002.5010054
5002022.5000002.5010056
5002022.5000002.5010058
5002022.5000002.5010060
5002022.5000002.5010061
5002022.5000002.5010861
5002022.5000002.5010862
5002022.5000002.5010863
5002022.5000002.5010864
5002022.5000002.5010865
5002022.5000002.5010866
5002022.5000002.5010867

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	No. of Bushings	Shaft type	Bushing type	Cage type	dw (mm)	L (mm)	C (N)	d1 (mm)	dB (mm)	L1 (mm)	L2 (mm)	f (shaft) (mm)	f (cage) (mm)	k (mm)
178.02 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	180	1680	24	32	56	60	3	2.8	156
181.57 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	200	1680	24	32	56	60	3	2.8	156
195.57 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	250	1680	24	32	56	60	3	2.8	156
216.68 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	300	1680	24	32	56	60	3	2.8	156
150.29 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Brass Ball Cage with Circlip	18	100	2070	24	32	56	71	3	2.8	192
152.92 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Brass Ball Cage with Circlip	18	140	2070	24	32	56	71	3	2.8	192
154.86 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Brass Ball Cage with Circlip	18	160	2070	24	32	56	71	3	2.8	192
156.69 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Brass Ball Cage with Circlip	18	180	2070	24	32	56	71	3	2.8	192
160.25 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Brass Ball Cage with Circlip	18	200	2070	24	32	56	71	3	2.8	192
174.25 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Brass Ball Cage with Circlip	18	250	2070	24	32	56	71	3	2.8	192
195.35 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Brass Ball Cage with Circlip	18	300	2070	24	32	56	71	3	2.8	192
176.68 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	100	2070	24	32	56	71	3	2.8	192
179.31 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	140	2070	24	32	56	71	3	2.8	192
181.25 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	160	2070	24	32	56	71	3	2.8	192
183.08 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	180	2070	24	32	56	71	3	2.8	192
186.63 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	200	2070	24	32	56	71	3	2.8	192
200.63 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	250	2070	24	32	56	71	3	2.8	192
221.74 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	300	2070	24	32	56	71	3	2.8	192
152.66 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Brass Ball Cage with Circlip	18	100	2200	24	32	56	76	3	2.8	204
155.29 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Brass Ball Cage with Circlip	18	140	2200	24	32	56	76	3	2.8	204
157.23 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Brass Ball Cage with Circlip	18	160	2200	24	32	56	76	3	2.8	204
159.06 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Brass Ball Cage with Circlip	18	180	2200	24	32	56	76	3	2.8	204
162.62 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Brass Ball Cage with Circlip	18	200	2200	24	32	56	76	3	2.8	204
176.62 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Brass Ball Cage with Circlip	18	250	2200	24	32	56	76	3	2.8	204
197.72 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Brass Ball Cage with Circlip	18	300	2200	24	32	56	76	3	2.8	204
179.05 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	100	2200	24	32	56	76	3	2.8	204
181.68 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	140	2200	24	32	56	76	3	2.8	204
183.62 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	160	2200	24	32	56	76	3	2.8	204
185.45 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	180	2200	24	32	56	76	3	2.8	204
189.00 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	200	2200	24	32	56	76	3	2.8	204
203.00 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	250	2200	24	32	56	76	3	2.8	204
224.11 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Brass Ball Cage with Circlip	18	300	2200	24	32	56	76	3	2.8	204
114.32 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Plastic Ball Cage	18	100	740	24	32	64	23	3	0	66
116.91 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Plastic Ball Cage	18	140	740	24	32	64	23	3	0	66
118.80 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Plastic Ball Cage	18	160	740	24	32	64	23	3	0	66
120.63 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Plastic Ball Cage	18	180	740	24	32	64	23	3	0	66
124.12 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Plastic Ball Cage	18	200	740	24	32	64	23	3	0	66
137.80 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Plastic Ball Cage	18	250	740	24	32	64	23	3	0	66
158.58 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Plastic Ball Cage	18	300	740	24	32	64	23	3	0	66
133.17 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Plastic Ball Cage	18	100	740	24	32	64	23	3	0	66
135.86 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Plastic Ball Cage	18	140	740	24	32	64	23	3	0	66
137.69 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Plastic Ball Cage	18	160	740	24	32	64	23	3	0	66
139.63 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Plastic Ball Cage	18	180	740	24	32	64	23	3	0	66
143.18 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Plastic Ball Cage	18	200	740	24	32	64	23	3	0	66
156.97 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Plastic Ball Cage	18	250	740	24	32	64	23	3	0	66
181.20 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Plastic Ball Cage	18	300	740	24	32	64	23	3	0	66
115.08 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Plastic Ball Cage	18	100	960	24	32	64	30	3	0	88
117.66 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Plastic Ball Cage	18	140	960	24	32	64	30	3	0	88
119.55 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Plastic Ball Cage	18	160	960	24	32	64	30	3	0	88
121.38 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Plastic Ball Cage	18	180	960	24	32	64	30	3	0	88
124.88 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Plastic Ball Cage	18	200	960	24	32	64	30	3	0	88
138.55 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Plastic Ball Cage	18	250	960	24	32	64	30	3	0	88
159.34 €	1	12 Days	1	Guide Shaft	Open Guide Bush	Plastic Ball Cage	18	300	960	24	32	64	30	3	0	88
133.92 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Plastic Ball Cage	18	100	960	24	32	64	30	3	0	88
136.62 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Plastic Ball Cage	18	140	960	24	32	64	30	3	0	88
138.45 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Plastic Ball Cage	18	160	960	24	32	64	30	3	0	88
140.38 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Plastic Ball Cage	18	180	960	24	32	64	30	3	0	88
143.94 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Plastic Ball Cage	18	200	960	24	32	64	30	3	0	88
157.72 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Plastic Ball Cage	18	250	960	24	32	64	30	3	0	88
181.95 €	1	12 Days	1	Guide shaft with internal thread on both sides	Open Guide Bush	Plastic Ball Cage	18	300	960	24	32	64	30	3	0	88

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Basic Attributes

No. of Bushings
- 1
- 2
Clear
Shaft type
- Guide Shaft
- Guide shaft with internal thread on both sides
Clear
Bushing type
- Closed Guide Bush with Sealing Rings
- Closed Guide Bush with Stop Rings
- Closed Guide Bush with Wiper Seals
- Open Guide Bush
Clear
Cage type
- Brass Ball Cage
- Brass Ball Cage - Mini Range
- Brass Ball Cage with Circlip
- Plastic Ball Cage
Clear
dw(mm)
2.5

3

4

5

6

8

10

12

14

15

16

18

20

25

32

40
Clear
L(mm)
30

40

50

60

80

90

100

110

125

128

140

150

160

180

200

220

240

250

260

300

350

400

450

500

600
Clear
C(N)
7

9

11

14

15

19

23

24

26

29

30

34

35

40

48

50

56

60

72

75

78

95

110

112

122

128

130

146

150

170

180

190

202

220

225

235

258

260

290

295

300

310

365

415

440

520

525

530

550

580

645

650

715

740

750

790

870

910

960

1000

1010

1025

1060

1160

1180

1290

1320

1325

1390

1400

1440

1550

1610

1620

1625

1670

1680

1700

1840

1950

1970

2070

2100

2200

2220

2320

2360

2450

2880

3030

3040

3210

3600

3800

4030

4070

4350

4390

4420

5200

5650

5740

6150

6650

6750

7150

8130

9750
Clear
d1(mm)
4.1

5

6

7

8

10

13

15

17

20

21

22

24

26

31

40

48
Clear
dB(mm)
6

7

8

10

11

14

18

20

22

25

26

28

30

32

35

38

42

48

55

60

65
Clear
L1(mm)
10

12

12.5

15

16

20

25

26

30

31

33

35

36

38

40

42

44

45

46

48

49

50

56

57

58

60

63

64

65

66

70

71

73

75

78

79

80

82

83

86

90

92

96

97

112

119

120

126

132

139

145

152

172

178
Clear
L2(mm)
10

12

12.5

15

16

20

21

23

25

28

30

34

35

36

40

48

50

51

52

54

56

58

60

62

63

68

70

71

75

76

78

80

84

87

93

95

100

102

110

125

150
Clear
f (shaft)(mm)
- 1
- 1.5
- 2
- 3
- 4
Clear
f (cage)(mm)
- 0
- 2.5
- 2.8
- 4.8
Clear
k(mm)
18

22

24

26

28

30

34

36

38

40

42

46

50

54

56

60

64

66

70

72

75

76

78

80

84

88

90

100

104

108

110

112

118

120

122

124

130

134

138

140

144

146

150

152

154

156

162

168

176

180

192

194

196

198

202

204

212

234

242

258

270

306

308

310

336

342

360

386

468
Clear
L3(mm)
0

11

13

18

22

23

27

28

33

36

38

39

42

47

50

54

55

56

58

59

63

64

66

67

70

72

74

82

86

96

106

108

110

125

137

147

162
Clear
e(mm)
0

51

53

56

66

83

98

115

135
Clear
m(mm)
- 0
- 6
- 8
- 10
- 12
Clear
n(mm)
- 0
- 16
- 19
- 22
- 25
- 28
Clear

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Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Tech Support

Technical Support: Tel：+49 69 668173-0 / FAX：+49 69 668173-360; Technical Inquiry

Ball guides assembled (Bushing / Cage / Shaft) (Part Numbers)

(i)Remark

MARMOTION. High-Precision Rotary Stroke Bearings - Product Lineup

General Description

Features

Maximum guiding accuracy

Backlash-free guiding

Smooth running

High loading capacity and guiding rigidity

Rapid movements, high acceleration

Long service life

Minimum maintenance

Interchangeability

Special designs

Basic information

Tech Support

Método de pago

Fabricación bajo demanda

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Certificados

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