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Angular double-row plastic bearing cages with bearing needles

     
 

  • Made of abrasion resistant plastic.
  • Working temperature up to do 120°C.
  • Cage sides are symmetrically bent at the right angle towards each other.
  • Applicable areas include also linear guides of the types "M" and "V", "RM", "RV", "N" and "O"
 
 
 
Needle
diameter
Ø
Type/symbol
Dimensions
Load capacity *
A1
A2
DW
LW
a
Le
max
Ze
C
[N]
CO
[N]
2
FFW 2025
15
10
2
6,8
2
32
7
25 900
87 500
2,5
FFW 2535
20,5
15
2,5
9,8
2,4
45
8
39 600
130 500
3
FFW 3045
26
20
3
13,8
3
60
9
57 900
188 400
3,5
FFW 3555
31,5
25
3,5
17,8
3,2
75
10
78 400
250 800
*)  - Load capacity for the theoretical length of the cage of 100 mm with the thrust force "F" in accordance to the drawing.
     - The load capacity is calculated for guides with hardness of 60 +/- 2 HRc oand surface roughness of Ra<0,4.
     - Load capacity of bearing cages is calculated on the basis of number of bearing needles mounted in the cage.
     - Cage i composwed of parts. Le - length of 1 part. Ze - number of neadels in 1 row of 1 part.
 
Table for weight values of bearing cages
(for the length of Lk=1000 mm) [g]
Type/symboll
Plastic
FFW 2025
94
FFW 2535
182
FFW 3045
315
FFW 3555
464
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