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Flat single-row bearing cages with bearing needles |
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- Manufactured from profiles of steel (F)
- High precision and strength
- Dedicated for heavy-duty working conditions at high loads and accelerations
- Working temperature up to 150°C
- Applicable to linear flat guides
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Needle diameter Ø |
Type/symbol |
Dimensions |
Load capacity * |
Functional dimension |
A1 |
DW |
LW |
t |
e |
LK
max |
C
[N] |
CO
[N] |
Ca |
Ca1
min |
Ha |
3 |
BF 3020 |
20 |
3 |
15,8 |
6 |
4,5 |
2 000 |
57 800 |
170 100 |
20,4+0,2 |
16 |
2,7 |
5 |
BF 5015 |
15 |
5 |
11,8 |
8 |
5,5 |
2 000 |
69 900 |
154 700 |
15,3+0,2 |
12 |
4,6 |
5 |
BF 5023 |
23 |
5 |
19,8 |
8 |
5,5 |
2 000 |
106 400 |
265 100 |
23,4+0,2 |
20 |
4,6 |
5 |
BF 5032 |
32 |
5 |
27,8 |
8 |
5,5 |
2 000 |
139 500 |
375 600 |
32,5+0,3 |
28 |
4,6 |
7 |
BF 7028 |
28 |
7 |
24 |
11 |
7,5 |
2 000 |
150 800 |
331 800 |
28,4+0,2 |
24 |
6,5 |
7 |
BF 7035 |
35 |
7 |
30 |
11 |
7,5 |
2 000 |
179 800 |
416 200 |
35,6+0,3 |
30 |
6,5 |
12 |
BF 12022 |
22 |
12 |
18 |
16 |
10 |
2 000 |
178 800 |
288 300 |
22,4+0,2 |
18 |
11 |
12 |
BF 12040 |
40 |
12 |
36 |
16 |
10 |
2 000 |
447 600 |
938 600 |
40,5+0,3 |
36 |
11 |
*) - 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 - Length tolerance LK +0/-t |
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Table for weight values of bearing cages (for the length of Lk=1000 mm) [g] |
Type/symbol |
Steel |
BF3 020 |
342 |
BF 5015 |
375 |
BF 5023 |
530 |
BF 5032 |
722 |
BF 7028 |
875 |
BF 7035 |
1 080 |
BF 12022 |
1 220 |
BF 12040 |
1 970 |
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