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Needle roller bearings
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Needle roller bearings
PRODUCTS
Designation
Principal dimensions
Basic load ratings
Speed ratings
dynamic
static
Reference speed
Limiting speed
F
w
[
mm
]
E
w
[
mm
]
U
[
mm
]
C
[
kN
]
C
0
[
kN
]
[
r/min
]
[
r/min
]
RNA 4860
330
380
80
594
1800
1100
1300
RNA 4872
390
440
80
627
2040
950
1100
RPNA 15/28
15
28
12
7.37
9.15
24000
28000
RPNA 18/32
18
32
16
12.8
17.6
22000
24000
RPNA 20/35
20
35
16
13.2
19.3
19000
22000
RPNA 25/42
25
42
20
19
32.5
16000
18000
RPNA 30/47
30
47
20
22.9
38
13000
15000
RPNA 35/52
35
52
20
24.6
45
11000
13000
RPNA 40/55
40
55
20
26.4
51
10000
11000
RPNA 45/62
45
62
20
27.5
57
9000
10000
NKIA 5901
12
24
16
——
8.09
22000
26000
NKIB 5901
12
24
17.5
16
8.09
22000
26000
NKIA 5902
15
28
18
——
11.2
19000
22000
NKIB 5902
15
28
20
18
11.2
19000
22000
NKIA 5903
17
30
18
——
11.4
18000
20000
NKIB 5903
17
30
20
18
11.4
18000
20000
NKIA 5904
20
37
23
——
21.6
15000
17000
NKIB 5904
20
37
25
23
21.6
15000
17000
NKIA 59/22
22
39
23
——
23.3
14000
15000
NKIB 59/22
22
39
25
23
23.3
14000
15000
NKIA 5905
25
42
23
——
24.2
13000
15000
NKIB 5905
25
42
25
23
24.2
13000
15000
NKIA 5906
30
47
23
——
25.5
11000
13000
NKIB 5906
30
47
25
23
25.5
11000
13000
NKIA 5907
35
55
27
——
31.9
9500
11000
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