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  5. Linear ball bearing, steel, with centre flange, round version
    6. 21520-02-2002
Designation
Linear ball bearing
Version 1
Mittelflansch, runde Ausführung
Version 2
double bearing
Main material
steel
Component material
plastic
D1=Shaft diameter
32
D2=Flange diameter
54
D=internal diameter
20
L=Length
80
D3
43
D4
5,5
D5
9
Dynamic load rating N
1370
L1
8
Static load rating N
2740
T
5,1
UNSPSC Code
31171510
~ CONFLICT MINERALS 3TG status
no intentional 3TG
~ CP65 substance 2 cancer
carbon-black extracts
~ PFAS free?
yes
~ REACH SVHC-free?
yes
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes

Description

Material
Housing steel.
Cage plastic.
Balls steel.
Note
The linear ball bearings correspond to ISO 10285 series 3. With a seal both ends. The linear ball bearings are have a plastic cage. This makes for quiet running and outstanding run quality. With centre flange for direct mounting on the housing. Double bearing type for use under torque loads.
Recommended tolerances:
Shaft: h6
Housing: H7
Linear ball bearings with seals both ends should be lubricated before installation. The specified load ratings apply with the use of hardened and ground shafts.
Temperature range
-20 °C to +80 °C.
Accessory
Precision guide shafts 21595.
Fastening screws 07160.
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