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
5002090.5001161
5002090.5001162
5002090.5001163
5002091.5000013
5002091.5000014
5002091.5001057
5002091.5001058
5002091.5001059
5002091.5001060
5002091.5001061
5002091.5001062
5002091.5001063
5002092.5000236
5002092.5000237
5002092.5000238
5002093.5000236
5002093.5000237
5002093.5000238
5002094.5000236
5002094.5000237
5002094.5000238
5003022.5000240
5003023.5000240
5003023.5000241
5003023.5000242
5003024.5000244
5003025.5000244
5003025.5000245
5003025.5000246
5003027.5001003
5003028.5001003
5003028.5001004
5003030.5000248
5003030.5000249
5003031.5000248
5003031.5000249
5003031.5000250
5003032.5000252
5003032.5000253
5003033.5000252
5003033.5000253
5003033.5000254
5003033.5000255
5003035.5001006
5003036.5001006
5003036.5001007
5003037.5001006
5003037.5001007
5003037.5001008
5003039.5000257
5003039.5000258
5003040.5000257
5003040.5000258
5003040.5000259
5003040.5000260
5003041.5000257
5003041.5000258
5003041.5000259
5003041.5000260
5003041.5000261

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)	L3 (mm)
329.65 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	32	4390	40	48	145	75	4.8	234	0
337.40 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	32	5740	40	48	145	95	4.8	306	0
349.57 €	1	12 Days	Open Guide Bush	Brass Ball Cage with Circlip	32	6750	40	48	145	110	4.8	360	0
263.42 €	1	12 Days	Open Guide Bush	Plastic Ball Cage	40	1625	48	60	172	25	0	90	0
264.49 €	1	12 Days	Open Guide Bush	Plastic Ball Cage	40	1950	48	60	172	30	0	108	0
319.42 €	1	12 Days	Open Guide Bush	Brass Ball Cage	40	4030	48	60	172	62	0	176	0
320.17 €	1	12 Days	Open Guide Bush	Brass Ball Cage	40	4420	48	60	172	68	0	196	0
327.60 €	1	12 Days	Open Guide Bush	Brass Ball Cage	40	5650	48	60	172	87	0	258	0
335.57 €	1	12 Days	Open Guide Bush	Brass Ball Cage	40	6650	48	60	172	102	0	308	0
342.03 €	1	12 Days	Open Guide Bush	Brass Ball Cage	40	7150	48	60	172	110	0	336	0
355.71 €	1	12 Days	Open Guide Bush	Brass Ball Cage	40	8130	48	60	172	125	0	386	0
381.12 €	1	12 Days	Open Guide Bush	Brass Ball Cage	40	9750	48	60	172	150	0	468	0
39.48 €	1	12 Days	Open Guide Bush	Brass Ball Cage - Mini Range	2.5	7	4.1	6	10	10	0	24	0
40.49 €	1	12 Days	Open Guide Bush	Brass Ball Cage - Mini Range	2.5	9	4.1	6	10	12.5	0	30	0
42.38 €	1	12 Days	Open Guide Bush	Brass Ball Cage - Mini Range	2.5	11	4.1	6	10	15	0	38	0
43.25 €	1	12 Days	Open Guide Bush	Brass Ball Cage - Mini Range	2.5	7	4.1	6	12.5	10	0	24	0
44.26 €	1	12 Days	Open Guide Bush	Brass Ball Cage - Mini Range	2.5	9	4.1	6	12.5	12.5	0	30	0
46.15 €	1	12 Days	Open Guide Bush	Brass Ball Cage - Mini Range	2.5	11	4.1	6	12.5	15	0	38	0
61.51 €	1	12 Days	Open Guide Bush	Brass Ball Cage - Mini Range	2.5	7	4.1	6	15	10	0	24	0
62.52 €	1	12 Days	Open Guide Bush	Brass Ball Cage - Mini Range	2.5	9	4.1	6	15	12.5	0	30	0
64.42 €	1	12 Days	Open Guide Bush	Brass Ball Cage - Mini Range	2.5	11	4.1	6	15	15	0	38	0
44.91 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	3	14	5	7	12.5	10	0	22	11
56.71 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	3	14	5	7	20	10	0	22	18
57.63 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	3	19	5	7	20	12.5	0	28	18
59.57 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	3	24	5	7	20	15	0	36	18
45.83 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	4	15	6	8	15	10	0	22	13
58.65 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	4	15	6	8	25	10	0	22	23
61.51 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	4	26	6	8	25	15	0	36	23
63.49 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	4	35	6	8	25	20	0	50	23
61.45 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage	4	30	7	10	20	12	0	18	18
76.78 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage	4	30	7	10	30	12	0	18	28
77.54 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage	4	50	7	10	30	20	0	34	28
53.00 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	5	23	7	10	20	10	0	30	18
55.09 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	5	40	7	10	20	15	0	50	18
68.34 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	5	23	7	10	30	10	0	30	28
70.43 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	5	40	7	10	30	15	0	50	28
73.77 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	5	56	7	10	30	20	0	70	28
53.80 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	6	29	8	11	20	10	0	30	18
56.71 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	6	50	8	11	20	15	0	50	18
71.14 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	6	29	8	11	35	10	0	30	33
74.05 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	6	50	8	11	35	15	0	50	33
77.65 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	6	60	8	11	35	20	0	70	33
82.12 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	6	78	8	11	35	25	0	90	33
67.85 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage	6	72	10	14	25	16	0	26	23
84.22 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage	6	72	10	14	40	16	0	26	38
86.05 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage	6	110	10	14	40	25	0	42	38
111.14 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage	6	72	10	14	60	16	0	26	58
112.97 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage	6	110	10	14	60	25	0	42	58
116.42 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage	6	180	10	14	60	40	0	72	58
65.80 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	8	50	10	14	25	15	0	50	23
68.88 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	8	60	10	14	25	20	0	70	23
81.31 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	8	50	10	14	40	15	0	50	38
84.38 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	8	60	10	14	40	20	0	70	38
87.83 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	8	78	10	14	40	25	0	90	38
92.62 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	8	95	10	14	40	30	0	110	38
108.02 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	8	50	10	14	60	15	0	50	58
111.09 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	8	60	10	14	60	20	0	70	58
114.54 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	8	78	10	14	60	25	0	90	58
119.32 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	8	95	10	14	60	30	0	110	58
129.23 €	1	12 Days	Closed Guide Bush with Stop Rings	Brass Ball Cage - Mini Range	8	130	10	14	60	40	0	150	58

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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

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25

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42

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52

63

80

100
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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

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645

650

715

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1010

1025

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1080

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8130

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9750

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11200

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15400

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18900

22000

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30100

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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

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90

100

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108

110

112

118

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122

124

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134

138

140

144

146

150

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162

168

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180

192

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202

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216

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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

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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) (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

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