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Ball guides assembled (Bushing / Cage) (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
5002037.5001145
5002037.5001146
5002037.5001147
5002038.5000009
5002038.5000010
5002038.5001049
5002038.5001050
5002038.5001051
5002038.5001150
5002038.5001151
5002038.5001152
5002038.5001153
5002038.5001154
5002038.5001155
5002039.5000009
5002039.5000010
5002039.5001049
5002039.5001050
5002039.5001051
5002039.5001150
5002039.5001151
5002039.5001152
5002039.5001153
5002039.5001154
5002039.5001155
5002040.5000009
5002040.5000010
5002040.5001049
5002040.5001050
5002040.5001051
5002040.5001150
5002040.5001151
5002040.5001152
5002040.5001153
5002040.5001154
5002040.5001155
5002041.5000011
5002041.5000012
5002041.5001052
5002041.5001053
5002041.5001054
5002041.5001055
5002041.5001056
5002041.5001160
5002041.5001161
5002041.5001162
5002041.5001163
5002042.5000011
5002042.5000012
5002042.5001052
5002042.5001053
5002042.5001054
5002042.5001055
5002042.5001056
5002042.5001160
5002042.5001161
5002042.5001162
5002042.5001163
5002043.5000011
5002043.5000012

Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	Bushing type	Cage type	dw (mm)	C (N)	d1 (mm)	dB (mm)	L1 (mm)	L2 (mm)	f (cage) (mm)	k (mm)
155.62 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	25	2360	31	38	79	52	2.8	198
160.14 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	25	3210	31	38	79	70	2.8	270
168.00 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	25	4070	31	38	79	84	2.8	342
94.08 €	1	12 Days	Open Guide Bush	Plastic Ball Cage	30	1400	38	48	50	25	0	75
94.88 €	1	12 Days	Open Guide Bush	Plastic Ball Cage	30	1680	38	48	50	30	0	90
129.40 €	1	12 Days	Open Guide Bush	Brass Ball Cage	30	2800	38	48	50	54	0	138
133.71 €	1	12 Days	Open Guide Bush	Brass Ball Cage	30	4050	38	48	50	78	0	212
140.32 €	1	12 Days	Open Guide Bush	Brass Ball Cage	30	4850	38	48	50	93	0	258
143.12 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	3040	38	48	50	56	4.8	162
145.38 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	4050	38	48	50	70	4.8	216
147.32 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	4390	38	48	50	75	4.8	234
153.57 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	5400	38	48	50	90	4.8	288
155.29 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	5740	38	48	50	95	4.8	306
166.82 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	6750	38	48	50	110	4.8	360
119.60 €	1	12 Days	Open Guide Bush	Plastic Ball Cage	30	1400	38	48	75	25	0	75
120.40 €	1	12 Days	Open Guide Bush	Plastic Ball Cage	30	1680	38	48	75	30	0	90
155.35 €	1	12 Days	Open Guide Bush	Brass Ball Cage	30	2800	38	48	75	54	0	138
159.66 €	1	12 Days	Open Guide Bush	Brass Ball Cage	30	4050	38	48	75	78	0	212
166.28 €	1	12 Days	Open Guide Bush	Brass Ball Cage	30	4850	38	48	75	93	0	258
169.08 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	3040	38	48	75	56	4.8	162
171.34 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	4050	38	48	75	70	4.8	216
173.28 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	4390	38	48	75	75	4.8	234
179.52 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	5400	38	48	75	90	4.8	288
181.25 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	5740	38	48	75	95	4.8	306
192.77 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	6750	38	48	75	110	4.8	360
142.11 €	1	12 Days	Open Guide Bush	Plastic Ball Cage	30	1400	38	48	90	25	0	75
142.91 €	1	12 Days	Open Guide Bush	Plastic Ball Cage	30	1680	38	48	90	30	0	90
178.29 €	1	12 Days	Open Guide Bush	Brass Ball Cage	30	2800	38	48	90	54	0	138
182.60 €	1	12 Days	Open Guide Bush	Brass Ball Cage	30	4050	38	48	90	78	0	212
189.22 €	1	12 Days	Open Guide Bush	Brass Ball Cage	30	4850	38	48	90	93	0	258
192.02 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	3040	38	48	90	56	4.8	162
194.28 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	4050	38	48	90	70	4.8	216
196.22 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	4390	38	48	90	75	4.8	234
202.46 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	5400	38	48	90	90	4.8	288
204.18 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	5740	38	48	90	95	4.8	306
215.71 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	30	6750	38	48	90	110	4.8	360
94.08 €	1	12 Days	Open Guide Bush	Plastic Ball Cage	32	1400	40	48	50	25	0	75
94.88 €	1	12 Days	Open Guide Bush	Plastic Ball Cage	32	1680	40	48	50	30	0	90
129.40 €	1	12 Days	Open Guide Bush	Brass Ball Cage	32	3030	40	48	50	54	0	138
131.34 €	1	12 Days	Open Guide Bush	Brass Ball Cage	32	3800	40	48	50	68	0	180
133.71 €	1	12 Days	Open Guide Bush	Brass Ball Cage	32	4350	40	48	50	78	0	212
140.32 €	1	12 Days	Open Guide Bush	Brass Ball Cage	32	5200	40	48	50	93	0	258
151.09 €	1	12 Days	Open Guide Bush	Brass Ball Cage	32	6150	40	48	50	110	0	310
144.20 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	32	3040	40	48	50	56	4.8	162
147.97 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	32	4390	40	48	50	75	4.8	234
155.72 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	32	5740	40	48	50	95	4.8	306
167.89 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	32	6750	40	48	50	110	4.8	360
106.03 €	1	12 Days	Open Guide Bush	Plastic Ball Cage	32	1400	40	48	63	25	0	75
106.83 €	1	12 Days	Open Guide Bush	Plastic Ball Cage	32	1680	40	48	63	30	0	90
141.57 €	1	12 Days	Open Guide Bush	Brass Ball Cage	32	3030	40	48	63	54	0	138
143.51 €	1	12 Days	Open Guide Bush	Brass Ball Cage	32	3800	40	48	63	68	0	180
145.88 €	1	12 Days	Open Guide Bush	Brass Ball Cage	32	4350	40	48	63	78	0	212
152.49 €	1	12 Days	Open Guide Bush	Brass Ball Cage	32	5200	40	48	63	93	0	258
163.26 €	1	12 Days	Open Guide Bush	Brass Ball Cage	32	6150	40	48	63	110	0	310
156.37 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	32	3040	40	48	63	56	4.8	162
160.14 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	32	4390	40	48	63	75	4.8	234
167.89 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	32	5740	40	48	63	95	4.8	306
180.06 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	32	6750	40	48	63	110	4.8	360
119.60 €	1	12 Days	Open Guide Bush	Plastic Ball Cage	32	1400	40	48	75	25	0	75
120.40 €	1	12 Days	Open Guide Bush	Plastic Ball Cage	32	1680	40	48	75	30	0	90

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Basic information

Sales Operation	Set	No. of Bushings	1	Shaft type	No shaft
f (shaft)(mm)	0

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Basic Attributes

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

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52

63

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100
Clear
C(N)
7

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23

24

26

29

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40

48

50

56

60

72

75

78

95

110

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122

128

130

146

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190

202

220

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235

258

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365

415

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Clear
d1(mm)
4.1

5

6

7

8

10

13

15

17

20

21

22

24

25

26

30

31

38

40

48

50

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62

73

92

112
Clear
dB(mm)
6

7

8

10

11

14

18

20

22

25

26

28

30

32

35

38

42

48

55

60

65

72

77

90

120

140
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

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65

66

70

71

73

75

78

79

80

82

83

86

90

92

96

97

100

112

119

120

125

126

132

139

140

145

150

152

160

172

178

180

210

220

260

315

355
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

77

78

80

84

87

88

90

93

95

100

102

108

110

125

135

140

150

160

165

180

185

215

220

245
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

216

218

234

242

256

258

262

268

270

288

306

308

310

318

322

328

336

342

360

382

386

402

428

468

486

562

578

602

662

668

696

922
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

123

124

125

137

147

150

162

178

183

230

273

320
Clear
e(mm)
0

51

53

56

66

83

98

110

115

135

138

170

180

218

275

310
Clear
m(mm)
- 0
- 6
- 8
- 10
- 12
- 15
Clear
n(mm)
- 0
- 16
- 19
- 22
- 25
- 28
- 31
- 34
- 36
Clear