带内圈滚针轴承 Needle Roller Bearings with Inner Ring NA69 系列 |
轴径 Shaft Diameter
mm |
型号 Designation |
重量 Mass
g |
尺寸Dimensions |
基本额定载荷 Basic Load Ratings |
极限转速 Limiting Speed
Rpm |
原有型号 Original Designation |
|||||
d |
f |
D |
B |
r min. |
动 Cr Dynamic |
静 Cor Static |
|||||
Mm |
N |
||||||||||
12 |
NA6901 |
46 |
12 |
16 |
24 |
22 |
0.3 |
16 |
21.6 |
24000 |
6254901 |
15 |
NA6902 |
63 |
15 |
20 |
28 |
23 |
0.3 |
17.3 |
25.5 |
22000 |
6254902 |
17 |
NA6903 |
72 |
17 |
22 |
30 |
23 |
0.3 |
18.6 |
29 |
21000 |
6254903 |
20 |
NA6904 |
141 |
20 |
25 |
37 |
30 |
0.3 |
36 |
51 |
17000 |
6254904 |
22 |
NA69/22 |
150 |
22 |
28 |
39 |
30 |
0.3 |
37.5 |
55 |
16000 |
-- |
25 |
NA6905 |
161 |
25 |
30 |
42 |
30 |
0.3 |
39 |
59 |
15000 |
6254905 |
28 |
NA69/28 |
182 |
28 |
32 |
45 |
30 |
0.3 |
40.5 |
63 |
13000 |
-- |
30 |
NA6906 |
192 |
30 |
35 |
47 |
30 |
0.3 |
43.5 |
71 |
13000 |
6254906 |
32 |
NA69/32 |
288 |
32 |
40 |
52 |
36 |
0.6 |
47 |
82 |
12000 |
-- |
35 |
NA6907 |
310 |
35 |
42 |
55 |
36 |
0.6 |
48 |
86 |
11000 |
6254907 |
40 |
NA6908 |
430 |
40 |
48 |
62 |
40 |
0.6 |
66 |
116 |
9500 |
6254908 |
45 |
NA6909 |
495 |
45 |
52 |
68 |
40 |
0.6 |
69 |
127 |
8500 |
6254909 |
50 |
NA6910 |
515 |
50 |
58 |
72 |
40 |
0.6 |
73 |
139 |
8000 |
6254910 |
55 |
NA6911 |
780 |
55 |
63 |
80 |
45 |
1 |
90 |
176 |
7000 |
6254911 |
60 |
NA6912 |
808 |
60 |
68 |
85 |
45 |
1 |
94 |
191 |
6500 |
6254912 |
65 |
NA6913 |
833 |
65 |
72 |
90 |
45 |
1 |
95 |
198 |
6000 |
6254913 |
70 |
NA6914 |
1340 |
70 |
80 |
100 |
54 |
1 |
128 |
265 |
6500 |
6254914 |
75 |
NA6915 |
1450 |
75 |
85 |
105 |
54 |
1 |
130 |
275 |
5500 |
6254915 |
80 |
NA6916 |
1522 |
80 |
90 |
110 |
54 |
1 |
135 |
300 |
5000 |
6254916 |
85 |
NA6917 |
2200 |
85 |
100 |
120 |
63 |
1.1 |
166 |
400 |
4800 |
6254917 |
90 |
NA6918 |
2310 |
90 |
105 |
125 |
63 |
1.1 |
172 |
425 |
4600 |
6254918 |
95 |
NA6919 |
2.5 |
95 |
110 |
130 |
63 |
1.1 |
174 |
440 |
4400 |
6254919 |
说明:
1、表中所列基本额定载荷、极限转速和重量,仅供选择参考用。
2、脂润滑时,极限转速为表列数值的60%。
Note:
1. These load, speed and mass is reference of choice only.
2. With grease lubrication, 60% of these limiting speed
will apply.