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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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Catalog

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
5009016.5001035
5009016.5001036
5009016.5001037
5009016.5001038
5009016.5001039
5009016.5001093
5009018.5000007
5009018.5000008
5009018.5001043
5009018.5001044
5009018.5001045
5009019.5000007
5009019.5000008
5009019.5001043
5009019.5001044
5009019.5001045
5009019.5001046
5009019.5001047
5009019.5001048
5009020.5000009
5009020.5000010
5009020.5001049
5009020.5001050
5009020.5001051
5009022.5000011
5009022.5000012
5009022.5001052
5009022.5001053
5009022.5001054
5009022.5001055
5009022.5001056
5009024.5000013
5009024.5000014
5009024.5001057
5009024.5001058
5009024.5001059
5009024.5001060
5009024.5001061
5009024.5001062
5009026.5001069
5009026.5001070
5009026.5001071
5009027.5001069
5009027.5001070
5009027.5001071
5009027.5001072
5009027.5001073
5009028.5001078
5009028.5001079
5009028.5001080
5009029.5001078
5009029.5001079
5009029.5001080
5009029.5001081
5009029.5001082
5009030.5001083
5009030.5001084
5009030.5001085
5009030.5001086
5009031.5001083

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)	k (mm)	L3 (mm)	e (mm)	m (mm)	n (mm)
221.69 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	20	1160	26	35	112	40	88	96	83	8	22
223.52 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	20	1390	26	35	112	48	108	96	83	8	22
226.11 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	20	1620	26	35	112	56	130	96	83	8	22
230.68 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	20	1970	26	35	112	68	162	96	83	8	22
237.25 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	20	2320	26	35	112	80	194	96	83	8	22
220.02 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	20	870	26	35	112	28	56	96	83	8	22
176.14 €	1	12 Days	Closed Guide Bush with Wiper Seals	Plastic Ball Cage	25	1060	31	42	90	23	84	66	56	10	25
177.00 €	1	12 Days	Closed Guide Bush with Wiper Seals	Plastic Ball Cage	25	1320	31	42	90	30	112	66	56	10	25
205.48 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	25	1440	31	42	90	40	108	66	56	10	25
206.66 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	25	1840	31	42	90	51	146	66	56	10	25
208.17 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	25	2100	31	42	90	58	168	66	56	10	25
271.66 €	1	12 Days	Closed Guide Bush with Wiper Seals	Plastic Ball Cage	25	1060	31	42	132	23	84	108	98	10	25
272.52 €	1	12 Days	Closed Guide Bush with Wiper Seals	Plastic Ball Cage	25	1320	31	42	132	30	112	108	98	10	25
302.72 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	25	1440	31	42	132	40	108	108	98	10	25
303.91 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	25	1840	31	42	132	51	146	108	98	10	25
305.42 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	25	2100	31	42	132	58	168	108	98	10	25
308.17 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	25	2450	31	42	132	68	202	108	98	10	25
313.02 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	25	2880	31	42	132	80	242	108	98	10	25
322.75 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	25	3600	31	42	132	100	308	108	98	10	25
306.66 €	1	12 Days	Closed Guide Bush with Wiper Seals	Plastic Ball Cage	30	1400	38	55	145	25	75	124	115	10	25
307.46 €	1	12 Days	Closed Guide Bush with Wiper Seals	Plastic Ball Cage	30	1680	38	55	145	30	90	124	115	10	25
345.86 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	30	2800	38	55	145	54	138	124	115	10	25
350.17 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	30	4050	38	55	145	78	212	124	115	10	25
356.78 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	30	4850	38	55	145	93	258	124	115	10	25
306.66 €	1	12 Days	Closed Guide Bush with Wiper Seals	Plastic Ball Cage	32	1400	40	55	145	25	75	125	115	10	25
307.46 €	1	12 Days	Closed Guide Bush with Wiper Seals	Plastic Ball Cage	32	1680	40	55	145	30	90	125	115	10	25
345.86 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	32	3030	40	55	145	54	138	125	115	10	25
347.80 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	32	3800	40	55	145	68	180	125	115	10	25
350.17 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	32	4350	40	55	145	78	212	125	115	10	25
356.78 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	32	5200	40	55	145	93	258	125	115	10	25
367.55 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	32	6150	40	55	145	110	310	125	115	10	25
358.94 €	1	12 Days	Closed Guide Bush with Wiper Seals	Plastic Ball Cage	40	1625	48	65	172	25	90	147	135	12	28
360.02 €	1	12 Days	Closed Guide Bush with Wiper Seals	Plastic Ball Cage	40	1950	48	65	172	30	108	147	135	12	28
416.77 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	40	4030	48	65	172	62	176	147	135	12	28
417.52 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	40	4420	48	65	172	68	196	147	135	12	28
424.95 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	40	5650	48	65	172	87	258	147	135	12	28
432.92 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	40	6650	48	65	172	102	308	147	135	12	28
439.38 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	40	7150	48	65	172	110	336	147	135	12	28
453.06 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	40	8130	48	65	172	125	386	147	135	12	28
451.23 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	50	6150	60	77	150	77	218	123	110	12	31
457.37 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	50	7200	60	77	150	90	262	123	110	12	31
469.32 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	50	8800	60	77	150	110	328	123	110	12	31
525.22 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	50	6150	60	77	210	77	218	183	170	12	31
531.35 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	50	7200	60	77	210	90	262	183	170	12	31
543.31 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	50	8800	60	77	210	110	328	183	170	12	31
564.31 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	50	11200	60	77	210	140	428	183	170	12	31
602.22 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	50	14400	60	77	210	180	562	183	170	12	31
695.26 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	63	8800	73	90	180	88	256	150	138	15	34
708.29 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	63	10800	73	90	180	108	322	150	138	15	34
744.05 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	63	14000	73	90	180	140	428	150	138	15	34
805.22 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	63	8800	73	90	260	88	256	230	218	15	34
818.25 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	63	10800	73	90	260	108	322	230	218	15	34
854.00 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	63	14000	73	90	260	140	428	230	218	15	34
908.92 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	63	18500	73	90	260	185	578	230	218	15	34
974.72 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	63	22000	73	90	260	220	696	230	218	15	34
1,207.23 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	80	13300	92	120	220	95	268	178	180	15	34
1,208.85 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	80	15400	92	120	220	110	318	178	180	15	34
1,217.35 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	80	18900	92	120	220	135	402	178	180	15	34
1,234.58 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	80	22400	92	120	220	160	486	178	180	15	34
1,345.08 €	1	12 Days	Closed Guide Bush with Wiper Seals	Brass Ball Cage	80	13300	92	120	315	95	268	273	275	15	34

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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

4

5

6

8

10

12

14

15

16

18

19

20

24

25

30

32

40

42

50

52

63

80

100
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

1080

1160

1180

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1320

1325

1390

1400

1440

1510

1550

1610

1620

1625

1670

1680

1700

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1840

1950

1970

2070

2100

2200

2220

2310

2320

2360

2450

2720

2800

2880

3030

3040

3210

3600

3800

4030

4050

4070

4350

4390

4420

4850

5200

5400

5650

5740

6150

6650

6750

7150

7200

8130

8800

9750

10800

11200

13300

14000

14400

15400

18500

18900

22000

22400

30100

33000

36000

49000
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

60

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

60

63

64

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