Needle Roller Bearing with Inner Ring
Sealed
NA49 ... RS, NA49 ... 2RS |
BR |
Shaft |
Bearing Model |
Overall dimensions |
Basic rated load |
Speed Limit |
NA 49..RS
Single sealed |
NA 49..2RS
Double-sealed |
d |
F |
D |
C |
B |
rS |
Moving
C |
Static
Co |
Oil lubrication |
mm |
mm |
Min |
N |
rpm |
10 |
NA 4900 RS |
NA 4900.2RS |
10 |
14 |
22 |
13 |
14 |
0.3 |
6800 |
6900 |
13000 |
12 |
NA 4901 RS |
NA 4901.2RS |
12 |
16 |
24 |
13 |
14 |
0.3 |
7600 |
8300 |
12000 |
15 |
NA 4902 RS |
NA 4902.2RS |
15 |
20 |
28 |
13 |
14 |
0.3 |
8600 |
10300 |
10000 |
17 |
NA 4903 RS |
NA 4903.2RS |
17 |
22 |
30 |
13 |
14 |
0.3 |
8800 |
11000 |
9000 |
20 |
NA 4904 RS |
NA 4904.2RS |
20 |
25 |
37 |
17 |
18 |
0.3 |
17300 |
19900 |
7500 |
25 |
NA 4905 RS |
NA 4905.2RS |
25 |
30 |
42 |
17 |
18 |
0.3 |
19300 |
24200 |
6500 |
30 |
NA 4906 RS |
NA 4906.2RS |
30 |
35 |
47 |
17 |
18 |
0.3 |
21100 |
28500 |
5500 |
35 |
NA 4907 RS |
NA 4907.2RS |
35 |
42 |
55 |
20 |
21 |
0.6 |
26500 |
39500 |
4800 |
40 |
NA 4908 RS |
NA 4908.2RS |
40 |
48 |
62 |
22 |
23 |
0.6 |
36000 |
53000 |
4200 |
45 |
NA 4909 RS |
NA 4909.2RS |
45 |
52 |
68 |
22 |
23 |
0.6 |
38000 |
59000 |
3900 |
50 |
NA 4910 RS |
NA 4910.2RS |
50 |
58 |
72 |
22 |
23 |
0.6 |
40000 |
64000 |
3500 |
TN = plastic insurance aircraft, allowing operation temperature: 120 ¡æ
continuously, 150 ¡æ temporarily, 180 ¡æ and short-term. 1) In the case of
lubricating grease to allow the listed numerical value of 60%. + There are
stalls circle, no oil hole and groove, such as the need for hole and slot,
the required increase in the bearing code ASR1. |
