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Double-Row Step Bore Ball Slewing Bearing
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Double-Row Step Bore Ball Slewing Bearing
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Technical diameters
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Designations
Boundary Dimensions (Size)
Bolt hole diameter
Structure dimensions
Gear parameters
Outer Gear
Inner Gear
Basic load Ratings
Mass
Non-gear
External gear
Internal gear
d (mm)
D (mm)
H (mm)
D1
D2
dn1 dn2
dm1 dm2
L
n
n1
H1
h
b
m
Da
z
da
z
Coa KN
kg
020.25.500 bearing
021.25.500
023.25.500
384
616
106
580
420
18
M16
32
20
4
96
26
60
5
644
126
357
72
1210
100
020.25.500 bearing
022.25.500
024.25.500
384
616
106
580
420
18
M16
32
20
4
96
26
60
6
647
105
350
59
1210
100
020.25.560 bearing
021.25.560
023.25.560
446
676
106
640
480
18
M16
32
20
4
96
26
60
5
704
138
417
84
1340
115
020.25.560 bearing
022.25.560
024.25.560
446
676
106
640
480
18
M16
32
20
4
96
26
60
6
707
115
410
69
1340
115
020.25.630 bearing
021.25.630
023.25.630
514
746
106
710
550
18
M16
32
24
4
96
26
60
6
791
129
482
81
1530
130
020.25.630 bearing
022.25.630
024.25.630
514
746
106
710
550
18
M16
32
24
4
96
26
60
8
790
96
475
60
1530
130
020.25.710 bearing
021.25.710
023.25.710
594
826
106
790
630
18
M16
32
24
4
96
26
60
6
863
141
560
94
1730
140
020.25.710 bearing
022.25.710
024.25.710
594
826
106
790
630
18
M16
32
24
4
96
26
60
8
862
105
555
70
1730
140
020.30.800 bearing
021.30.800
023.30.800
658
942
124
898
702
22
M20
40
30
6
114
29
80
8
982
120
619
78
2300
200
020.30.800 bearing
022.30.800
024.30.800
658
942
124
898
702
22
M20
40
30
6
114
29
80
10
988
96
614
62
2300
200
020.30.900 bearing
021.30.900
023.30.900
758
1042
124
998
802
22
M20
40
30
6
114
29
80
8
1086
133
715
90
2580
250
020.30.900 bearing
022.30.900
024.30.900
758
1042
124
998
802
22
M20
40
30
6
114
29
80
10
1088
106
714
72
2580
250
020.30.1000 bearing
021.30.1000
023.30.1000
858
1142
124
1098
902
22
M20
40
36
6
114
29
80
10
1198
117
814
82
2860
300
020.30.1000 bearing
022.30.1000
024.30.1000
858
1142
124
1098
902
22
M20
40
36
6
114
29
80
12
1198
97
797
67
2860
300
020.30.1120 bearing
021.30.1120
023.30.1120
978
1262
124
1218
1022
22
M20
40
36
6
114
29
80
10
1318
129
924
93
3210
340
020.30.1120 bearing
022.30.1120
024.30.1120
978
1262
124
1218
1022
22
M20
40
36
6
114
29
80
12
1318
107
917
77
3210
340
020.40.1250 bearing
021.40.1250
023.40.1250
1074
1426
160
1374
1126
26
M24
48
40
5
150
39
90
12
1498
122
1013
85
4820
580
020.40.1250 bearing
022.40.1250
024.40.1250
1074
1426
160
1374
1126
26
M24
48
40
5
150
39
90
14
1495
104
1014
73
4820
580
020.40.1400 bearing
021.40.1400
023.40.1400
1224
1576
160
1524
1272
26
M24
48
40
5
150
39
90
12
1642
134
1157
97
5430
650
020.40.1400 bearing
022.40.1400
024.40.1400
1224
1576
160
1524
1272
26
M24
48
40
5
150
39
90
14
1649
115
1154
83
5430
650
020.40.1600 bearing
021.40.1600
023.40.1600
1424
1776
160
1724
1476
26
M24
48
45
5
150
39
90
14
1845
129
1350
97
6200
750
020.40.1600 bearing
022.40.1600
024.40.1600
1424
1776
160
1724
1476
26
M24
48
45
5
150
39
90
16
1853
113
1350
85
6200
750
020.40.1800 bearing
021.40.1800
023.40.1800
1624
1976
160
1924
1676
26
M24
48
45
5
150
39
90
14
2055
144
1546
111
6920
820
020.40.1800 bearing
022.40.1800
024.40.1800
1624
1976
160
1924
1676
26
M24
48
45
5
150
39
90
16
2061
126
1542
97
6920
820
020.50.2000 bearing
021.50.2000
023.50.2000
1785
2215
190
2149
1851
33
M30
60
48
8
178
47
120
16
2301
141
1702
107
9870
1150
020.50.2000 bearing
022.50.2000
024.50.2000
1785
2215
190
2149
1851
33
M30
60
48
8
178
47
120
18
2300
125
1699
95
9870
1150
020.50.2240 bearing
021.50.2240
023.50.2240
2025
2455
190
2389
2091
33
M30
60
48
8
178
47
120
16
2541
156
1942
122
1110
1500
020.50.2240 bearing
022.50.2240
024.50.2240
2025
2455
190
2389
2091
33
M30
60
48
8
178
47
120
18
2552
139
1933
108
1110
1500
020.50.2500 bearing
021.50.2500
023.50.2500
2285
2715
190
2649
2351
33
M30
60
56
8
178
47
120
18
2804
153
2203
123
1110
1500
020.50.2500 bearing
022.50.2500
024.50.2500
2285
2715
190
2649
2351
33
M30
60
56
8
178
47
120
20
2816
138
2188
110
1110
1500
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