Products > Rolling > Spherical roller bearings
                 Double row full complement cylindrical roller bearing with snap groove    NNF 50 DAV

Bearing number
Dimensions
£¨mm£©
Mounting dimensions (mm)
Basic load ratings
(KN)
Limiting Speed
(r/min)
Mass
(kg)
TCB
d
D
B
C
r min
r1 min
Cn
Dn
bn
da min
Da max
Cr
Cor
20
42
30
29
0.5
0.3
24.7
40.2
1.8
24
34
40.5
49.0
4000
0.20
 
25
47
30
29
0.5
0.3
24.7
45.2
1.8
29
39
44.5
58.0
3600
0.24
 
30
55
34
33
0.5
0.3
28.2
53.0
2.1
34
44
50.0
67.0
3000
0.37
 
35
62
36
35
0.5
0.3
30.2
60.0
2.1
39
50
63.0
88.0
2600
0.48
 
40
68
38
37
0.8
0.6
32.2
65.8
2.7
44
55
76.0
103.0
2400
0.56
 
45
75
40
39
0.8
0.6
34.2
72.8
2.7
49
61
92.0
130.0
2200
0.70
 
50
80
40
39
0.8
0.6
34.2
77.8
2.7
54
66
97.0
142.0
2000
0.76
 
55
90
46
45
1
0.6
40.2
87.4
3.2
59.6
73
115.0
175.0
1800
1.18
 
60
95
46
45
1
0.6
40.2
92.4
3.2
65
79
120.0
189.0
1700
1.26
 
65
100
46
45
1
0.6
40.2
97.4
3.2
70
84
125.0
203.0
1600
1.33
 
70
110
54
53
1
0.6
48.2
107.1
4.2
75
91
168.0
265.0
1400
1.87
 
75
115
54
53
1
0.6
48.2
112.1
4.2
80
97
194.0
300.0
1400
1.96
 
80
125
60
59
1.5
0.6
54.2
122.1
4.2
86
105
203.0
325.0
1300
2.71
 
85
130
60
59
1.5
0.6
54.2
127.1
4.2
91
112
211.0
350.0
1200
2.83
 
90
140
67
66
1.5
0.6
59.2
137.0
4.2
96
118
305.0
510.0
1100
3.71
 
95
145
67
66
1.5
0.6
59.2
142.0
4.2
101
122
315.0
530.0
1100
3.88
 
100
150
67
66
1.5
0.6
59.2
147.0
4.2
106
128
330.0
550.0
1000
3.95
 
110
170
80
79
1.5
0.6
70.2
167.0
4.2
117
143
395.0
680.0
900
6.57
 
120
180
80
79
1.5
0.6
71.2
176.0
4.2
127
153
410.0
740.0
900
7.04
 

 
Copyright (C) TCB Ltd. All Rights ReservedYUE ICP beian 05028273