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Insert Bearings > NA300 Series


Bearing No.
shaft Dia.
 
Eccentric collar
Mass(kg)
d
D
B
C
S
B1
B3
h
d1
(in.)
(mm)
 NA305-14
7/8
 
62
34.9
21
16.7
46.8
15.9
6.2
42.8
A305-14
0.46
 NA305-15
15/16
 
62
34.9
21
16.7
46.8
15.9
6.2
42.8
A305-15
0.44
 NA305
 
25
62
34.9
21
16.7
46.8
15.9
6.2
42.8
A305
0.43
 NA305-16
1
 
62
34.9
21
16.7
46.8
15.9
6.2
42.8
A305-16
0.43
 NA306-18
1-1/8
 
72
36.5
24
17.5
50
17.5
6.5
50
A306-18
0.71
 NA306
 
30
72
36.5
24
17.5
50
17.5
6.5
50
A306
0.68
 NA306-19
1-3/16
 
72
36.5
24
17.5
50
17.5
6.5
50
A306-19
0.68
 NA307-20
1-1/4
 
80
38.1
25
18.3
51.6
17.5
7.2
55
A307-20
0.86
 NA307-21
1-5/16
 
80
38.1
25
18.3
51.6
17.5
7.2
55
A307-21
0.83
 NA307-22
1-3/8
 
80
38.1
25
18.3
51.6
17.5
7.2
55
A307-22
0.80
 NA307
 
35
80
38.1
25
18.3
51.6
17.5
7.2
55
A307
0.80
 NA307-23
1-7/16
 
80
38.1
25
18.3
51.6
17.5
7.2
55
A307-23
0.78
 NA308-24
1-1/2
 
90
41.3
28
19.8
57.1
20.6
8.5
63.5
A308-24
1.13
 NA308-25
1-9/16
 
90
41.3
28
19.8
57.1
20.6
8.5
63.5
A308-25
1.13
 NA308
 
40
90
41.3
28
19.8
57.1
20.6
8.5
63.5
A308
1.08
 NA309-26
1-5/8
 
100
42.9
30
19.8
58.7
20.6
9
70
A309-26
1.57
 NA309-27
1-11/16
 
100
42.9
30
19.8
58.7
20.6
9
70
A309-27
1.52
 NA309-28
1-3/4
 
100
42.9
30
19.8
58.7
20.6
9
70
A309-28
1.47
 NA309
 
45
100
42.9
30
19.8
58.7
20.6
9
70
A309
1.45
 NA310-30
1-7/8
 
110
49.2
32
24.6
66.6
22.2
9.9
76.2
A310-30
1.93
 NA310-31
1-15/16
 
110
49.2
32
24.6
66.6
22.2
9.9
76.2
A310-31
1.88
 NA310
 
50
110
49.2
32
24.6
66.6
22.2
9.9
76.2
A310
1.86
 NA311-32
2
 
120
55.6
34
27.8
73
22.2
10.6
83
A311-32
2.49
 NA311-34
2-1/8
 
120
55.6
34
27.8
73
22.2
10.6
83
A311-34
2.36
 NA311
 
55
120
55.6
34
27.8
73
22.2
10.6
83
A311
2.30
 NA311-35
2-3/16
 
120
55.6
34
27.8
73
22.2
10.6
83
A311-35
2.24
 NA312-36
2-1/4
 
130
61.9
36
30.95
79.4
23.9
11.3
89
A312-36
2.95
 NA312
 
60
130
61.9
36
30.95
79.4
23.9
11.3
89
A312
2.89
 NA312-38
2-3/8
 
130
61.9
36
30.95
79.4
23.9
11.3
89
A312-38
2.89
 NA312-39
2-7/16
 
130
61.9
36
30.95
79.4
23.9
11.3
89
A312-39
2.86
 NA313-40
2-1/2
 
140
65.1
38
32.5
85.7
27
12.1
97
A313-40
3.85
 NA313
 
65
140
65.1
38
32.5
85.7
27
12.1
97
A313
3.66
 NA314-44
2-3/4
 
150
68.3
40
34.15
92.1
30.2
12.8
102
A314-44
4.40
 NA314
 
70
150
68.3
40
34.15
92.1
30.2
12.8
102
A314
4.50
 NA315
 
75
160
74.6
42
37.3
100
31.8
13.5
113
A315
5.34
 NA315-48
3
 
160
74.6
42
37.3
100
31.8
13.5
113
A315-48
5.34
 NA316
 
80
170
81
44
40.5
106.4
31.8
14.5
119
A316
6.70
 NA317-52
3-1/4
 
180
84.1
46
42
109.5
31.8
15.5
127
A317-52
8.03
 NA317
 
85
180
84.1
46
42
109.5
31.8
15.5
127
A317
7.96
 NA318-56
3-1/2
 
190
87.3
48
43.6
115.9
36.5
16.5
133
A318-56
9.10
 NA318
 
90
190
87.3
48
43.6
115.9
36.5
16.5
133
A318
9.10
 NA319
 
95
200
93.7
50
46.8
122.3
36.5
16.7
140
A319
10.4
 NA319-60
3-3/4
 
200
93.7
50
46.8
122.3
36.5
16.7
140
A319-60
10.4
 NA320
 
100
215
100
54
50
128.6
36.5
19
146
A320
13.0
 NA320-64
4
 
215
100
54
50
128.6
36.5
19
146
A320-64
13.0
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