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  3. 21000
  4. Round guides
  5. Linear ball bearings with round flange, double bearing
    6. 21520-4002
Designation
Linear ball bearing
Version 1
with round flange
Version 2
double bearing
Main material
steel
Component material
steel
D1=Shaft diameter
62
D2=Flange diameter
98
D=internal diameter
40
L=Length
151
D3
80
D4
9
D5
14
Dynamic load rating N
3430
L1
13
Static load rating N
8040
T
8,1
~ 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 steel.
Cage plastic.
Balls steel.
Note
The linear ball bearings correspond to series 3 of ISO 10285. With double-sided seal. The linear ball bearings have a plastic cage which results in quiet and outstanding running properties. With flange for direct mounting on the housing. Double bearing version for use under torque loads.

Recommended tolerances:
Shaft: h6
Housing: H7

Linear ball bearings with double-sided seal should be greased 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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