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7900 Series
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Bearing Numbers
Principal dimensions(mm)
Basic load ratings(N)
Basic load ratings(kgf)
Value
Limiting Speed (rpm)
Distance of action point(mm)
Abutment and fillet dimensions
Weight
Basic load ratings(duplex bearing) (N)
Basic load ratings(duplex bearing) (kgf)
Limiting Speed(duplex bearing) (rpm)
Distance of action point (duplex bearing)(a0)
Installation dimensions(duplex bearing)
Single row
DB
DF
DT
d
D
B
r(min)
r1(min)
Cr
Cor
Cr
Cor
fo
Grease
Oil
a
da(min)
Da(max)
ra(max)
(kg)
Cr
Cor
Cr
Cor
Grease
Oil
back-to-back arrangement
face-to-face arrangement
db(min)
Db(max)
rb(max)
7911A5
7911DB
7911DF
7911DT
55
80
13
1
0.6
18100
16800
1840
1710
16.4
10000
14000
22.2
61
74
1
0.184
29300
33500
2990
3400
8000
11000
44.5
18.5
-
75
0.6
7911C
7911DB
7911DF
7911DT
55
80
13
1
0.6
19100
17700
1950
1810
16.3
12000
16000
15.5
61
74
1
0.182
31000
35500
3150
3600
9500
13000
31.1
5.1
-
75
0.6
7912A5
7912DB
7912DF
7912DT
?60
85
13
1
0.6
18300
17700
1870
1810
16.5
9500
13000
23.4
66
79
1
0.197
29800
35500
3050
3600
7500
10000
46.8
20.8
-
80
0.6
7912C
7912DB
7912DF
7912DT
60
85
13
1
0.6
19400
18700
1980
1910
16.4
11000
15000
16.2
66
79
1
0.194
31500
37500
3200
3800
9000
12000
32.4
6.4
-
80
0.6
7913A5
7913DB
7913DF
7913DT
65
90
13
1
0.6
19100
19400
1940
1980
16.4
9000
12000
24.6
71
84
1
0.211
31000
39000
3150
3950
7100
9500
49.1
23.1
-
85
0.6
7913C
7913DB
7913DF
7913DT
65
90
13
1
0.6
20200
20500
2060
2090
16.5
10000
14000
16.9
71
84
1
0.208
33000
41000
3350
4200
8500
12000
33.8
7.8
-
85
0.6
7914A5
7914DB
7914DF
7914DT
70
100
16
1
0.6
26500
26300
2710
2680
16.5
8000
11000
27.8
76
94
1
0.341
43000
52500
4400
5350
6300
9000
55.6
23.6
-
95
0.6
7914C
7914DB
7914DF
7914DT
70
100
16
1
0.6
28100
27800
2870
2830
16.4
9500
13000
19.4
76
94
1
0.338
45500
55500
4650
5650
7500
11000
38.8
6.8
-
95
0.6
7915A5
7915DB
7915DF
7915DT
75
105
16
1
0.6
26900
27700
2750
2820
16.5
7500
10000
29
81
99
1
0.355
44000
55500
4450
5650
6000
8500
58
26
-
100
0.6
7915C
7915DB
7915DF
7915DT
75
105
16
1
0.6
28600
29300
2910
2980
16.5
9000
12000
20.1
81
99
1
0.357
46500
58500
4750
5950
7100
10000
40.1
8.1
-
100
0.6
7912A5
7912DB
7912DF
7912DT
?60
85
13
1
0.6
18300
17700
1870
1810
16.5
9500
13000
23.4
66
79
1
0.197
29800
35500
3050
3600
7500
10000
46.8
20.8
-
80
0.6
7912C
7912DB
7912DF
7912DT
60
85
13
1
0.6
19400
18700
1980
1910
16.4
11000
15000
16.2
66
79
1
0.194
31500
37500
3200
3800
9000
12000
32.4
6.4
-
80
0.6
7913A5
7913DB
7913DF
7913DT
65
90
13
1
0.6
19100
19400
1940
1980
16.4
9000
12000
24.6
71
84
1
0.211
31000
39000
3150
3950
7100
9500
49.1
23.1
-
85
0.6
7913C
7913DB
7913DF
7913DT
65
90
13
1
0.6
20200
20500
2060
2090
16.5
10000
14000
16.9
71
84
1
0.208
33000
41000
3350
4200
8500
12000
33.8
7.8
-
85
0.6
7914A5
7914DB
7914DF
7914DT
70
100
16
1
0.6
26500
26300
2710
2680
16.5
8000
11000
27.8
76
94
1
0.341
43000
52500
4400
5350
6300
9000
55.6
23.6
-
95
0.6
7914C
7914DB
7914DF
7914DT
70
100
16
1
0.6
28100
27800
2870
2830
16.4
9500
13000
19.4
76
94
1
0.338
45500
55500
4650
5650
7500
11000
38.8
6.8
-
95
0.6
7915A5
7915DB
7915DF
7915DT
75
105
16
1
0.6
26900
27700
2750
2820
16.5
7500
10000
29
81
99
1
0.355
44000
55500
4450
5650
6000
8500
58
26
-
100
0.6
7915C
7915DB
7915DF
7915DT
75
105
16
1
0.6
28600
29300
2910
2980
16.5
9000
12000
20.1
81
99
1
0.357
46500
58500
4750
5950
7100
10000
40.1
8.1
-
100
0.6
7916A5
7916DB
7916DF
7916DT
?80
110
16
1
0.6
27300
29000
2790
2960
16.4
7100
10000
30.2
86
104
1
0.38
44500
58000
4550
5900
5600
8000
60.3
28.3
-
105
0.6
7916C
7916DB
7916DF
7916DT
80
110
16
1
0.6
29000
30500
2960
3150
16.5
8500
12000
20.7
86
104
1
0.376
47000
61500
4800
6250
6700
9500
41.5
9.5
-
105
0.6
7917A5
7917DB
7917DF
7917DT
85
120
18
1.1
0.6
36500
38500
3750
3900
16.5
6700
9000
32.9
92
113
1
0.541
59500
77000
6100
7850
5300
7500
65.8
29.8
-
115
0.6
7917C
7917DB
7917DF
7917DT
85
120
18
1.1
0.6
39000
40500
3950
4150
16.4
8000
11000
22.7
92
113
1
0.534
63000
81500
6450
8300
6300
9000
45.5
9.5
-
115
0.6
7918A5
7918DB
7918DF
7918DT
90
125
18
1.1
0.6
39500
43500
4000
4450
16.4
6300
8500
34.1
97
118
1
0.56
64000
87000
6500
8900
5000
7100
68.1
32.1
-
120
0.6
7918C
7918DB
7918DF
7918DT
90
125
18
1.1
0.6
41500
46000
4250
4700
16.5
7500
10000
23.4
97
118
1
0.563
67500
92000
6900
9400
6000
8500
46.8
10.8
-
120
0.6
7919A5
7919DB
7919DF
7919DT
95
130
18
1.1
0.6
40000
45500
4050
4650
16.4
6000
8500
35.2
102
123
1
0.603
64500
91000
6600
9250
4800
6700
70.5
34.5
-
125
0.6
7919C
7919DB
7919DF
7919DT
95
130
18
1.1
0.6
42500
48000
4300
4900
16.5
7100
10000
24.1
102
123
1
0.597
68500
96000
7000
9800
5600
8000
48.1
12.1
-
125
0.6
7916A5
7916DB
7916DF
7916DT
?80
110
16
1
0.6
27300
29000
2790
2960
16.4
7100
10000
30.2
86
104
1
0.38
44500
58000
4550
5900
5600
8000
60.3
28.3
-
105
0.6
7916C
7916DB
7916DF
7916DT
80
110
16
1
0.6
29000
30500
2960
3150
16.5
8500
12000
20.7
86
104
1
0.376
47000
61500
4800
6250
6700
9500
41.5
9.5
-
105
0.6
7917A5
7917DB
7917DF
7917DT
85
120
18
1.1
0.6
36500
38500
3750
3900
16.5
6700
9000
32.9
92
113
1
0.541
59500
77000
6100
7850
5300
7500
65.8
29.8
-
115
0.6
7917C
7917DB
7917DF
7917DT
85
120
18
1.1
0.6
39000
40500
3950
4150
16.4
8000
11000
22.7
92
113
1
0.534
63000
81500
6450
8300
6300
9000
45.5
9.5
-
115
0.6
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