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Flat double-row plastic bearing cages with bearing needles

     
 

  • Made of abrasion resistant plastic.
  • Working temperature up to do 120°C.
  • Applicable areas include also linear guides of the types "S" and "J"
 
 
 
Needle
diameter
Ø
Type/symbol
Dimensions
Load capacity *
A1
A2
DW
LW
a
Le
max
Ze
C
[N]
CO
[N]
2
FF 2025 ZW
25
10
2
6,8
2
32
7
36 600
123 700
2,5
FF 2535 ZW
35
15
2,5
9,8
2,4
45
8
56 000
184 600
3
FF 3045 ZW
45
20
3
13,8
3
60
9
81 900
266 500
3,5
FF 3555 ZW
55
25
3,5
17,8
3,2
75
10
110 900
354 700
*)  - 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
FF 2025 ZW
94
FF 2535 ZW
182
FF 3045 ZW
315
FF 3555 ZW
464
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