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8 MarMotion. High-precision rotary stroke bearings
Mahr
Guide Shaft dw l N 400
2.5 30
N 400 / N 421 / N 423 / N 425 f Order No.
40
Types 50 1 5010000
60 5010001
N 400 Guide shaft to DIN 9825 80 5010238
N 421 Guide shaft with internal thread 3 30 5010002
40 5010003
on press-in side 60
N 423 Guide shaft with internal thread 80 1.5 5010229
4 50 5010218
on guide side 60 5010219
N 425 Guide shaft with internal thread 80 5010220
100
on both sides 5 50 1.5 5010230
60 5010004
Suitability 80 5010005
100 5010006
Hardened guide shaft with precision 6 60
ground surface. 80 1.5 5010231
• Suitable for high-precision rotary stroke 100 5010221
125 5010222
bearings. 140 5010223
• When used with MarMotion guide 160
180 2 5010232
bushes and ball cages, preloading is 8 60 5010007
ensured. 80 5010008
90 5010009
Features 100 5010207
125 5010208
• Guide diameter dw is precision ground 140 5010010
and lapped to ISO h3, Rz <1 m. 160
180 2 5010233
• Roundness within 1/3 ISO-IT3. 200 5010011
• Straightness within 5 m/100 mm. 10 80 5010234
• Ends are either rounded or have lead-in 100 5010012
125 5010013
taper. 140 5010014
• See page 37-41 for instructions on 160 5010209
180 5010210
installation and servicing. 200 5010015
250
Material 3 5010235
5010016
• Diameter dw = 2.5 - 6 5010017
material X155 CrVMo 12 1 (1.2379). 5010018
Diameter dw = 8 - 40 5010019
material 100 Cr 6 (1.3505) or 5010020
16 MnCr 5 (1.7131) or comparable 5010211
special roller bearing steel. 5010021
• Carefully heat-treated, hardness rating
HRC 60–64/HV 720–815.
• Minimum depth of case hardness
0.8–1.5 mm depending on diameter
(up to diameter dw = 10 through-
hardened).
Special designs
• Other dimensions or designs based
on workpiece drawings are available.
These can also be produced using
stainless steel (1.4112).
Order Information
Guide Shaft N 4 . . /dw/l
Order No. 5010 . . .
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