Needle Bearing Na4900 Series Na4901 /4902 /4903 Needle Roller Bearing
Needle Bearing Na4900 Series Na4901 /4902 /4903 Needle Roller Bearing
Product Description
hard enough to act as raceway.
2.No requirement on axial location when the DC needle roller bearing is pressed into the housing.
3.Closed end DC needle roller bearings are good for sealing at close end of bearings.
4.Operating temperature range for bearings grease lubricated are -20 °C to 120 °C.
We have Needle roller Bearing type
Needle Bearing Metric series: HK, BK, F, FH, FY, MF, MFH in the department, MFY; TA.. Z, TLA.. Z, TAM, TLAM, YT, YTL.
Needle Bearing Inch series: SCE, BCE, SCH, BCH, SN, B, BH, M, MH,; BA... Z, BHA... Z, BAM, BHAM, YB, YBH.
(1)enclosed drawn cup needle roller bearings
(2)inner ring needle roller bearings
(3)and has no inner ring needle roller bearing bracket will be/without inner ring needle roller bearing
(4)with and without cage cage filled with needle roller bearing
Size Information
| Bearing No. |
|
Boundary Dimensions (mm) |
|
|
|
|
Basic Load Rating (KN) |
|
Limited Speed |
Mass |
| |
|
d |
Fw |
D |
C |
r |
C |
Co |
rpm |
kg |
| |
|
|
|
|
|
min |
|
|
|
|
| NA4900 2RS |
NA4900 RS |
10 |
14 |
22 |
13 |
0.3 |
6.56 |
6.96 |
11200 |
0.025 |
| NA4901 2RS |
NA4901 RS |
12 |
16 |
24 |
13 |
0.3 |
6.88 |
7.6 |
9600 |
0.028 |
| NA4902 2RS |
NA4902 RS |
15 |
20 |
28 |
13 |
0.3 |
7.84 |
9.52 |
7600 |
0.036 |
| NA4903 2RS |
NA4903 RS |
17 |
22 |
30 |
13 |
0.3 |
8.4 |
10.72 |
6800 |
0.04 |
| NA4904 2RS |
NA4904 RS |
20 |
25 |
37 |
17 |
0.3 |
14.64 |
16.72 |
6000 |
0.079 |
| NA49/22 2RS |
NA49/22 RS |
22 |
28 |
39 |
17 |
0.3 |
14.96 |
19.28 |
5600 |
0.08 |
| NA4905 2RS |
NA4905 RS |
25 |
30 |
42 |
17 |
0.3 |
16.56 |
20.48 |
5200 |
0.093 |
| NA49/28 2RS |
NA49/28 RS |
28 |
32 |
45 |
17 |
0.3 |
17.12 |
21.84 |
4800 |
0.101 |
| NA4906 2RS |
NA4906 RS |
30 |
35 |
47 |
17 |
0.3 |
17.6 |
23.2 |
4400 |
0.106 |
| NA49/32 2RS |
NA49/32 RS |
32 |
40 |
52 |
20 |
0.6 |
23.92 |
36 |
4000 |
0.167 |
| NA4907 2RS |
NA4907 RS |
35 |
42 |
55 |
20 |
0.6 |
24.56 |
37.76 |
3600 |
0.179 |
| NA4908 2RS |
NA4908 RS |
40 |
48 |
62 |
22 |
0.6 |
30.32 |
47.6 |
3200 |
0.245 |
| NA4909 2RS |
NA4909 RS |
45 |
52 |
68 |
22 |
0.6 |
31.68 |
51.76 |
2800 |
0.29 |
| NA4910 2RS |
NA4910 RS |
50 |
58 |
72 |
22 |
0.6 |
33.68 |
58 |
2800 |
0.295 |
| NA4911 2RS |
NA4911 RS |
55 |
63 |
80 |
25 |
1 |
42.56 |
69.92 |
2400 |
0.415 |
| NA4912 2RS |
NA4912 RS |
60 |
68 |
85 |
25 |
1 |
44.48 |
75.68 |
2400 |
0.445 |
| NA4913 2RS |
NA4913 RS |
65 |
72 |
90 |
25 |
1 |
46.4 |
81.6 |
2000 |
0.475 |
| NA4914 2RS |
NA4914 RS |
70 |
80 |
100 |
30 |
1 |
62.72 |
116.8 |
2000 |
0.77 |
| NA4915 2RS |
NA4915 RS |
75 |
85 |
105 |
30 |
1 |
64.96 |
124.8 |
1600 |
0.815 |
| NA4916 2RS |
NA4916 RS |
80 |
90 |
110 |
30 |
1 |
65.84 |
128.8 |
1600 |
0.86 |
| NA4917 2RS |
NA4917 RS |
85 |
100 |
120 |
35 |
1.1 |
84 |
184 |
1520 |
1.3 |
| NA4918 2RS |
NA4918 RS |
90 |
105 |
125 |
35 |
1.1 |
86.4 |
193.6 |
1440 |
1.36 |
| NA4919 2RS |
NA4919 RS |
95 |
110 |
130 |
35 |
1.1 |
89.6 |
204 |
1360 |
1.42 |
| NA4920 2RS |
NA4920 RS |
100 |
115 |
140 |
40 |
1.1 |
109.6 |
242.4 |
1360 |
1.98 |
| NA4922 2RS |
NA4922 RS |
110 |
125 |
150 |
40 |
1.1 |
114.4 |
263.2 |
1200 |
2.15 |
| NA4924 2RS |
NA4924 RS |
120 |
135 |
165 |
45 |
1.1 |
145.6 |
333.6 |
1120 |
2.99 |
| NA4926 2RS |
NA4926 RS |
130 |
150 |
180 |
50 |
1.5 |
168.8 |
417.6 |
1040 |
4.08 |
| NA4928 2RS |
NA4928 RS |
140 |
160 |
190 |
50 |
1.5 |
174.4 |
448 |
960 |
4.34 |
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