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  2. Systems and components for machine and plant construction
  3. 21000
  4. Round guides
  5. Linear housing units with flange
    6. 21522-251002
Designation
Linear housing unit
Version 1
with flange
Main material
aluminium
D=internal diameter
25
A
70
D1
40
D2
58
D3
6,6
E
54
L
58
L1
42
L2
12
UNSPSC Code
31171511
~ CONFLICT MINERALS 3TG status
no intentional 3TG
~ CP65 substance 2 cancer
soots, tars, and mineral oils
~ PFAS free?
yes
~ REACH SVHC-free?
yes
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes

Description

Material
Housing aluminium or grey cast iron.
Version
Housing bright.
Note
Ready to install linear housing units consisting of an extruded aluminium housing with a self-aligning linear ball bearing 21510 and seals both sides. The bearings are secured in the housing with DIN 472 circlips.

Recommended shaft tolerance: h6.

Load ratings according to the linear ball bearings specifications.
Attention
Attention: The diameter D2 by article 21522-501002 is not machined, no g7 centring diameter.
On request
Linear housing units can be equipped with any of our linear ball bearings.
Accessory
Precision guide shafts 21595.
Fastening screws 07160 or 07161.
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