The linear bearing cage is an essential component of a linear rolling bearing built with the use of linear guides. The main task of the bearing cage is to hold the rolling elements inside the bearing on the guide's raceways in the correct operating position.
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"
Technical drawing of FF_ZW bearing cages
Dimension table of FF_ZW bearing cages
Needle
diameter
Ø
Type
/symbol
Dimensions
Load capacity *
Functional
dimension
A
DW
LW
a
LK
max
Ze
C
[N]
CO
[N]
Ha
2
FF 2025 ZW
25
2
6.8
2
32
7
36 600
123 700
24.4+0.2
2.5
FF 2535 ZW
35
2.5
9.8
2.4
45
8
56 000
184 600
34.0+0.2
3
FF 3045 ZW
45
3
13.8
3
60
9
81 900
266 500
44.5+0.2
3.5
FF 3555 ZW
55
3.5
17.8
3.2
75
10
110 900
354 700
55.5+0.2
*) - 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.
Weight table of FF_ZW bearing cages
Table for weight values of bearing cages
(for the length of Lk=1000 mm) [g]
Type/symbol
Plastic
FF 2025 ZW
94
FF 2535 ZW
182
FF 3045 ZW
315
FF 3555 ZW
464
Precision
Sorting tolerance
up to 0.5 µm
Quality
Quality Management System
compliant with ISO 9001:2015
Experience
Over 20 years of expertise
in linear technology.
Customization
We manufacture components
tailored to individual requirements
