NKX30 needle roller bearings are combined with thrust ball bearings to receive thrust loads. They do not have an inner ring and are therefore particularly compact in a radial direction. However, they require a shaft raceway that is hardened and ground.
Data of NKX30
Shaft dia.: 30 mm
OD: 42 mm
Height: 30 mm
Mass: 14 Basic dynamic load rating, radial : 28000 N
Basic static load rating, radial : 41000 N
Basic dynamic load rating, axial : 20400 N
Basic static load rating, axial: 42000 N
Fatigue limit load, radial: 7200 N
Fatigue limit load, axial: 2030 N
Limiting speed: 5000 rpm
Suitable Inner ring: IR25X30X20
Part Combined needle roller bearings catalogue
|
INA designation |
Fw mm |
D mm |
C mm |
|
NKX10-TV |
10 |
19 |
23 |
|
NKX12 |
12 |
21 |
23 |
|
NKX15 |
15 |
24 |
23 |
|
NKX17 |
17 |
26 |
25 |
|
NKX20 |
20 |
30 |
30 |
|
NKX25 |
25 |
37 |
30 |
|
NKX30 |
30 |
42 |
30 |
|
NKX35 |
35 |
47 |
30 |
|
NKX40 |
40 |
52 |
32 |
|
NKX45 |
45 |
58 |
32 |
|
NKX50 |
50 |
62 |
35 |
|
NKX60 |
60 |
72 |
40 |
|
NKX70 |
70 |
85 |
40 |
|
NKX10-Z-TV |
10 |
19 |
23 |
|
NKX12-Z |
12 |
21 |
23 |
|
NKX15-Z |
15 |
24 |
23 |
|
NKX17-Z |
17 |
26 |
25 |
|
NKX20-Z |
20 |
30 |
30 |
|
NKX25-Z |
25 |
37 |
30 |
|
NKX30-Z |
30 |
42 |
30 |
|
NKX35-Z |
35 |
47 |
30 |
|
NKX40-Z |
40 |
52 |
32 |
|
NKX45-Z |
45 |
58 |
32 |
|
NKX50-Z |
50 |
62 |
35 |
|
NKX60-Z |
60 |
72 |
40 |
|
NKX70-Z |
70 |
85 |
40 |













