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WCB kobelco swing gear.pdf


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www.wcbearing.com

wenchen@wcbearing.com

Four point contact slewing bearings
with internal gear teeth

Whatsapp:+8617702586093

Static limited load curves for raceway

1r to 14r

Static limited load curves for bolting

1b to 14b

TITLING
MOMENT

TITLING
MOMENT

500

kN.m.

kN.m.

2500

2000

400

14b

300

1500

7b

13b

6b

200

1000

5b

12b
11b
10b
9b

4b
3b

100

500

2b

8b

1r

2r

3r

4r

5r

6r

7r

kN

0

Figure C

Dm

Fixing holes
Di

mm

486
616
716
816
916
1016
1166
1289
1399
1509
1619
1752
1862
2012

Fe

he

Ne

Fi

Gear teeth
hi

Ni

D

m

Tooth force
Z

mm

414
544
644
744
844
944
1094
1204
1314
1424
1534
1644
1754
1904

325
444
546
648
736
840
984
1072
1182
1292
1402
1495
1605
1729

460
590
690
790
890
990
1140
1257
1367
1477
1587
1708
1818
1968

Norm.
Tooth

24
32
36
40
40
44
48
45
50
54
60
54
60
64

375
505
605
705
805
905
1055
1151
1261
1371
1481
1580
1690
1840

M12
M12
M12
M12
M12
M12
M12
16
16
16
16
22
22
22

24
32
36
40
40
44
48
45
50
54
60
54
60
64

335
456
558
660
752
856
1000
1080
1190
1300
1410
1500
1610
1736

750

5
6
6
6
8
8
8
10
10
10
10
10
10
14

67
76
93
110
94
107
125
108
119
130
141
150
161
124

18
25
25
25
33
33
33
59
59
59
59
59
59
82

Mass

Max.
Tooth
force

kN

14
14
14
14
14
14
14
16
16
16
16
22
22
22

500

1000

1250

8r

0
0

1500

Range 114 to 1094 mm

Figure D

Main dimensions
De

250

Sktech
Fig N°

Kg

34
45
45
45
60
60
60
106
106
106
106
106
106
147

31
42
50
58
69
76
91
145
159
172
186
236
252
299

12r

10r

AXIAL
LOAD

1b

0

14r

1000

11r

13r

AXIAL
LOAD

9r

2000

kN

3000

4000

5000

Range 1204 to 1904 mm

Basic load rating
axial
dyn. C

axial
stat. Co

curves
raceways
(r)

bolt
(b)

Designation

1b
2b
3b
4b
5b
6b
7b
8b
9b
10b
11b
12b
13b
14b

RKS.062.20.0414
RKS.062.20.0544
RKS.062.20.0644
RKS.062.20.0744
RKS.062.20.0844
RKS.062.20.0944
RKS.062.20.1094
RKS.062.25.1204
RKS.062.25.1314
RKS.062.25.1424
RKS.062.25.1534
RKS.062.25.1644
RKS.062.25.1754
RKS.062.30.1904

kN

C
C
C
C
C
C
C
D
D
D
D
D
D
D

169
188
200
211
222
231
244
371
383
395
406
416
424
571

560
740
880
1010
1150
1280
1490
1943
2124
2304
2485
2666
2847
4048

1r
2r
3r
4r
5r
6r
7r
8r
9r
10r
11r
12r
13r
14r

Gear not hardened
Bearings delivered without centering
Bearings are not delivered full of grease and consequently must be fully relubricated with WCB LGEP2 or equivalent before the machine is
running. Material : C 45E => curves N° 1 to 7 – 42 Cr Mo4 => curves N° 8 to 14

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