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Four Point Contact Ball Slewing Bearing
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Four Point Contact Ball Slewing Bearing

　　

Four Point Contact Ball Slewing Bearing is a kind of large-scale bearing which can bear axial force, radial force and tilting moment of force at the same time.It is always with mounting hole, lubricant hole, and seal device. For this reason it can easily make the mainframe structure compact and is convenient to conduct circumgyratetion, manufacture, install and maintain. Four Point Contact Ball Slewing Bearing mainly includes non-dental, inner-dental, outer-dental four points contacting ball bearing, two-bank angle contacting thrust ball bearing, cross roller bearing, and three row roller combination bearing. It is widely used in hoister transportation, mining, architecture, harbor machinery, shipping mechanism, radar machinery of high accuracy, and large-scale rotary devices on aspect of missile launcher.
Four Point Contact Ball Ring
Bearing No.
Dimensions(mm)
Gear
Outer Teeth
Inner Teeth
Non-Gear
External Gear
Internal Gear
D
d
H
D1
d1
dn
n
n1
H1
h
b
m
da
z
da
z
010.20.250 011.20.250
330
170
60
298
202
16
18
2
50
10
40
4
352
86
010.20.280 011.20.280
360
200
60
328
232
16
18
2
50
10
40
4
348
94
010.25.315 011.25.315 013.25.315
408
222
70
372
258
18
20
2
60
10
50
5
435
85
190
40
010.25.355 011.25.355 013.25.355
448
262
70
412
298
18
20
2
60
10
50
5
475
93
235
49
010.25.400 011.25.400 013.25.400
493
307
70
457
343
18
24
2
60
10
50
6
528
86
276
48
010.25.450 011.25.450 013.25.450
543
357
70
507
393
18
24
2
60
10
50
6
576
94
324
56
010.30.500 011.30.500 013.30.500
602
398
80
566
434
18
20
4
70
10
60
5
629
123
367
74
012.30.500 014.30.500
602
398
80
566
434
18
20
4
70
10
60
6
628.8
102
368.4
62
010.30.560 011.30.560 013.30.560
662
458
80
626
494
18
20
4
70
10
60
5
689
135
427
86
012.30.560 014.30.560
662
458
80
626
494
18
20
4
70
10
60
6
688.8
112
428.4
72
010.30.630 011.30.630 013.30.630
732
528
80
696
564
18
24
4
70
10
60
6
772.8
126
494.4
83
012.30.630 014.30.630
732
528
80
696
564
18
24
4
70
10
60
8
774.4
94
491.2
62
010.30.710 011.30.710 013.30.710
812
608
80
776
644
18
24
4
70
10
60
6
850.8
139
572.4
96
012.30.710 014.30.710
812
608
80
776
64
18
24
4
70
10
60
8
854.4
104
571.2
72
010.40.800 011.40.800 013.40.800
922
678
100
878
722
22
30
6
90
10
80
8
966.4
118
635.2
80
012.40.800 014.40.800
922
678
100
878
722
22
30
6
90
10
80
10
968
94
634
64
010.40.900 011.40.900 013.40.900
1022
778
100
978
822
22
30
6
90
10
80
8
1062.4
130
739.2
93
012.40.900 014.40.900
1022
778
100
978
822
22
30
6
90
10
80
10
1068
104
734
74
010.40.1000 011.40.1000 013.40.1000
1122
878
100
1078
922
22
36
6
90
10
80
10
1188
116
824
83
012.40.1000 014.40.1000
1122
878
100
1078
922
22
36
6
90
10
80
12
1185.6
96
820.8
69
010.40.1120 011.40.1120 013.40.1120
1242
998
100
1198
1042
22
36
6
90
10
80
10
1298
127
944
95
012.40.1120 014.40.1120
1242
998
100
1198
1042
22
36
6
90
10
80
12
1305.6
106
940.8
79
010.45.1250 011.45.1250 013.45.1250
1390
1110
110
1337
1163
26
40
5
100
10
90
12
1449.6
118
1048.8
88
012.45.1250 014.45.1250
1390
1110
110
1337
1163
26
40
5
100
10
90
14
1453.2
101
1041.6
75
010.45.1400 011.45.1400 013.45.1400
1540
1260
110
1487
1313
26
40
5
100
10
90
12
1605.6
131
1192.8
100
012.45.1400 014.45.1400
1540
1260
110
1487
1313
26
40
5
100
10
90
14
1607.2
112
1195.6
86
010.45.1600 011.45.1600 013.45.1600
1740
1460
110
1687
1513
26
45
5
100
10
90
14
1817.2
127
1391.6
100
012.45.1600 014.45.1600
1740
1460
110
1687
1513
26
45
5
100
10
90
16
1820.8
111
1382.4
87
010.45.1800 011.45.1800 013.45.1800
1940
1660
110
1887
1713
26
45
5
100
10
90
14
2013.2
141
1573.6
113
012.45.1800 014.45.1800
1940
1600
110
1887
1713
26
45
5
100
10
90
16
2012.8
123
1574.4
99
010.60.2000 011.60.2000 013.60.2000
2178
1825
144
2110
1891
33
48
8
132
12
120
16
2268.8
139
1734.4
109
012.60.2000 014.60.2000
2178
1825
144
2110
1891
33
48
8
132
12
120
18
2264.4
123
1735.2
97
010.60.2240 011.60.2240 013.60.2242
2418
2065
144
2350
2131
33
56
8
132
12
120
16
2492.8
153
1990.4
125
012.60.2240 014.60.2240
2418
2065
114
2350
2131
33
48
8
132
12
120
18
2498.4
136
1987.2
111
010.60.2500 011.60.2500 013.60.2500
2678
2325
114
2610
2391
33
56
8
132
12
120
18
2768.4
151
2239.2
125
012.60.2500 014.60.2500
2678
2325
114
2610
2391
33
56
8
132
12
120
20
2776
136
2228
112
010.60.2800 011.60.2800 013.60.2800
2978
2625
114
2910
2691
33
56
8
132
12
120
18
3074.4
168
2527.2
141
012.60.2800 014.60.2800
2978
2625
144
2910
2691
33
56
8
132
12
120
20
3076
151
2528
127
010.75.3150 011.75.3150 013.75.3150
3376
2922
174
3286
3014
45
56
8
162
12
150
20
3476
171
2828
142
012.75.3150 014.75.3150
3376
2922
174
3286
3014
45
56
8
162
12
150
22
3471.6
155
2824.8
129
010.75.3550 011.75.3550 013.75.3550
3776
3322
174
3686
3414
45
56
8
162
12
150
20
3876
191
3228
162
012.75.3550 014.75.3550
3776
3322
174
3686
3414
45
56
8
162
12
150
20
3889.6
174
3220.8
147
010.75.4000 011.75.4000 013.75.4000
4226
3772
174
4136
3864
45
60
10
162
12
150
22
4329.6
164
3660.8
157
012.75.4000 014.75.4000
4226
3722
174
4136
3864
45
60
10
162
12
150
25
4345
171
3660
147
010.75.4500 011.75.4500 013.75.4500
4726
4272
174
46366
4364
45
60
10
162
12
150
22
4535.6
217
4166.8
190
012.75.4500 014.75.4500
4726
4272
174
4636
43644
45
60
10
162
12
150
25
4845
191
4160
167