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Double-Row Step Bore Ball Slewing Bearing
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B:
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
020.50.2800 bearing
021.50.2800
023.50.2800
2585
3015
190
2949
2651
33
M30
60
56
8
178
47
120
18
3110
170
2491
139
13900
1900
020.50.2800 bearing
022.50.2800
024.50.2800
2585
3015
190
2949
2651
33
M30
60
56
8
178
47
120
20
3116
153
2488
125
13900
1900
020.60.3150 bearing
021.60.3150
023.60.3150
2872
3428
226
3338
2962
45
M42
84
56
8
214
56
150
20
3536
174
2768
139
18700
3300
020.60.3150 bearing
022.60.3150
024.60.3150
2872
3428
226
3338
2962
45
M42
84
56
8
214
56
150
22
3538
158
2759
126
18700
3300
020.60.3550 bearing
021.60.3550
023.60.3550
3272
3828
226
3738
3362
45
M42
84
56
8
214
56
150
20
3936
194
3168
159
21100
3700
020.60.3550 bearing
022.60.3550
024.60.3550
3272
3828
226
3738
3362
45
M42
84
56
8
214
56
150
22
3934
176
3177
145
21100
3700
020.60.4000 bearing
021.60.4000
023.60.4000
3722
4278
226
4188
3812
45
M42
84
60
8
214
56
150
22
4396
197
3619
165
23700
4200
020.60.4000 bearing
022.60.4000
024.60.4000
3722
4278
226
4188
3812
45
M42
84
60
8
214
56
150
25
4395
173
3610
145
23700
4200
020.60.4500 bearing
021.60.4500
023.60.4500
4222
4778
226
4688
4312
45
M42
84
60
10
214
56
150
25
4880
219
4123
188
26700
4700
020.60.4500 bearing
022.60.4500
024.60.4500
4222
4778
226
4688
4312
45
M42
84
60
10
214
56
150
25
4895
193
4110
165
26700
4700
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