Aligning needle roller bearings with or without inner ring are complete units consisting of a drawn outer cup,and outer ring with spherical outside surface,a needle roller and cage assembly and a removable inner ring.Aligning needle roller bearings have a raceway ring with a curved outside surface and a curved support ring. As a result, they can compensate static misalignments of the bearing axis of up to 3°.
Aligning needle roller bearings: PNA,RPNA
| Designation |
Dimensions(mm) |
Basic load ratings |
| Fw |
D |
C
±0.5 |
D1 |
r
min. |
dyn.
Cr
KN |
stat.
Cor
KN |
| RPNA 15/28 |
15 |
28 |
12 |
24.5 |
0.8 |
6.9 |
7.9 |
| RPNA 18/32 |
18 |
32 |
16 |
27 |
1.8 |
12.5 |
16.2 |
| RPNA 20/35 |
20 |
35 |
16 |
30.5 |
2.8 |
13 |
17.5 |
| RPNA 25/42 |
25 |
42 |
20 |
36.5 |
3.8 |
18.8 |
30.5 |
| RPNA 28/44 |
28 |
44 |
20 |
38.5 |
4.8 |
22 |
34 |
| RPNA 30/47 |
30 |
47 |
20 |
42 |
5.8 |
22.6 |
36 |
| RPNA 35/52 |
35 |
52 |
20 |
47.5 |
6.8 |
24.3 |
41.5 |
| RPNA 40/55 |
40 |
55 |
20 |
50.5 |
7.8 |
26 |
47 |
| RPNA 45/62 |
45 |
62 |
20 |
58 |
8.8 |
27.5 |
53 |
| Designation |
Dimensions(mm) |
Basic load ratings |
| d |
F |
D |
C
±0.5 |
B |
D1 |
r
min. |
r1
min. |
s
min. |
dyn.
Cr
KN |
stat.
Cor
KN |
| PNA 12/28 |
12 |
15 |
28 |
12 |
12 |
24.5 |
0.8 |
0.3 |
0.5 |
6.9 |
7.9 |
| PNA 15/32 |
15 |
18 |
32 |
16 |
16 |
27 |
0.8 |
0.3 |
0.5 |
12.5 |
16.2 |
| PNA 17/35 |
17 |
20 |
35 |
16 |
16 |
30.5 |
0.8 |
0.3 |
0.5 |
13 |
17.5 |
| PNA 20/42 |
20 |
25 |
42 |
20 |
20 |
36.5 |
0.8 |
0.3 |
0.5 |
18.8 |
30.5 |
| PNA 22/44 |
22 |
28 |
44 |
20 |
20 |
38.5 |
0.8 |
0.3 |
0.5 |
22 |
34 |
| PNA 25/47 |
25 |
30 |
47 |
20 |
20 |
42 |
0.8 |
0.3 |
0.5 |
22.6 |
36 |
| PNA 30/52 |
30 |
35 |
52 |
20 |
20 |
47.5 |
0.8 |
0.3 |
0.5 |
24.3 |
41.5 |
| PNA 35/55 |
35 |
40 |
55 |
20 |
20 |
50.5 |
0.8 |
0.3 |
0.5 |
26 |
47 |
| PNA 40/62 |
40 |
45 |
62 |
20 |
20 |
58 |
0.8 |
0.3 |
0.5 |
27.5 |
53 |
