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Products >
Rolling
>
Spherical roller bearings
Single row deep groove ball bearings with snap groove and snap ring
618..NR
Bearing number
Dimensions
£¨mm£©
Snap ring groove dimensions
£¨mm£©
Basic load ratings
(KN)
Limiting Speed
(r/min)
Mass
(kg)
TCB
d
D
B
r
min
Ds
b
Dn
a
n
bn
r
nmax
Cr
Cor
Grease
Oil
61804 NR
20
32
7
0.3
34.8
0.85
30.7
1.3
0.95
0.25
4.0
2.47
22000
26000
0.017
61805 NR
25
37
7
0.3
39.8
0.85
35.7
1.3
0.95
0.25
4.3
2.95
18000
22000
0.021
61806 NR
30
42
7
0.3
44.8
0.85
40.7
1.3
0.95
0.25
4.7
3.65
15000
18000
0.024
61807 NR
35
47
7
0.3
49.8
0.85
45.7
1.3
0.95
0.25
4.7
4.1
14000
16000
0.027
61808 NR
40
52
7
0.3
54.8
0.85
50.7
1.3
0.95
0.25
6.35
5.55
12000
14000
0.031
61809 NR
45
58
7
0.3
60.8
0.85
56.7
1.3
0.95
0.25
6.6
6.15
11000
13000
0.031
61810 NR
50
65
7
0.3
67.8
0.85
63.7
1.3
0.95
0.25
6.4
6.2
9500
11000
0.050
61811 NR
55
72
9
0.3
74.8
0.85
70.7
1.7
0.95
0.25
8.8
8.5
8500
10000
0.081
61812 NR
60
78
10
0.3
82.7
1.12
76.2
1.7
1.3
0.4
11.5
10.9
8000
9500
0.103
61813 NR
65
85
10
0.6
89.4
1.12
82.9
1.7
1.3
0.4
11.9
12.1
7500
8500
0.128
61814 NR
70
90
10
0.6
94.4
1.12
87.9
1.7
1.3
0.4
12.1
12.7
6700
8000
0.134
61815 NR
75
95
10
0.6
99.4
1.12
92.9
1.7
1.3
0.4
12.5
13.9
6300
7500
0.149
61816 NR
80
100
10
0.6
104.4
1.12
97.9
1.7
1.3
0.4
12.7
14.5
6000
7100
0.151
61817 NR
85
110
13
1.0
115.7
1.12
107.6
2.1
1.3
0.4
18.7
20.0
5600
6700
0.263
61818 NR
90
115
13
1.0
120.7
1.12
112.6
2.1
1.3
0.4
19.0
21.0
5300
6300
0.276
61819 NR
95
120
13
1.0
125.7
1.12
117.6
2.1
1.3
0.4
19.3
22.0
5000
6000
0.297
61820 NR
100
125
13
1.0
130.7
1.12
122.6
2.1
1.3
0.4
19.6
23.0
4800
5600
0.310
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YUE ICP beian 05028273