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  4. Roller guide rail
  5. Linear ball bearing with internal race, steel, load capacity up to 3,959 kg
    6. 21330-281300290
Designation
Linear ball bearing
Version 1
with internal runner
Main material
ball-bearing steel
Surface finish body
galvanized
B=Width
28
H=Height
13
L=Length
290
S1=Slide
130
B1
15
C0Y N
7540
C0Z N
5278
D for screw
M5
D1
M5
H1
12,25
H2
7,5
L1
20
L2
25
L3
80
Mx Nm
36,9
My Nm
114
Mz Nm
163
No. of holes
2
R
1
Size
28
Travel S
120
~ CONFLICT MINERALS 3TG status
no intentional 3TG
~ CP65 substance 2 cancer
soots, tars, and mineral oils
~ PFAS free?
not yet identified
~ REACH SVHC-free?
yes
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes

Description

Material
Rail and race ball-bearing steel.
Balls, ball-bearing steel.
Ball cage steel.
Version
Rail, runner and ball cage galvanized.
Race inductively hardened.
Balls hardened.
Note for ordering
Sold individually.
Note
Linear ball bearing consisting of a guide rail and a race which runs within the ball cage in the guide rail. Mounting should be carried out horizontally if possible.

The internal stops limit the cage. Provide external stops for a loaded system.

Use grade 10.9 DIN EN ISO 10642 countersunk head screws to install the rail.

The maximum traversing speed is 0.8 m/s.

Application temperature -30 °C to +170 °C.
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