ball combination slewing bearing ZYS
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Roller/Ball Combination Slewing Bearing

This kind of bearings can support high axial load and low tilting moments. Usually they are large diameter slewing bearings. Applications of this kind of bearings are mining and materials handling etc.

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Bearing code

Dimensions

Gear

Weight (kg)

Da

d

T

D1

d1

n

dn

M

n1

H

h

b

m

z

221.32.3550

3772.8

3358

159

3638

3418

76

30

27

10

143

50

109

16

232

2028

221.32.3750

3980.8

3558

159

3846

3618

80

30

27

10

143

50

109

16

246

2186

221.32.4000

4220.8

3808

159

4086

3868

84

30

27

10

143

50

109

16

261

2278

221.32.4250

4476.8

4058

159

4342

4118

90

30

27

10

143

50

109

16

276

2455

221.36.4000

4244.4

3792

175

4095

3858

76

33

30

12

159

50

125

18

232

2792

211.36.4250

4496.4

4042

175

4347

4108

80

33

30

12

159

50

125

18

247

2981

221.36.4500

4748.4

4292

175

4599

4358

84

33

30

14

159

50

125

18

261

3173

221.36.4750

5000.4

4542

175

4851

4608

90

33

30

14

159

50

125

18

275

3363

221.40.4500

4776

4276

183

4612

4348

72

36

33

14

167

50

133

20

236

3673

221.40.4750

5016

4526

183

4852

4598

76

36

33

14

167

50

133

20

248

3796

221.40.5000

5276

4776

183

5112

4848

80

36

33

14

167

50

133

20

261

4082

221.40.5300

5576

5076

183

5412

5148

84

36

33

16

167

50

133

20

276

4329

221.45.5000

5297.6

4747

203

5117

4825

76

39

36

16

187

50

153

22

238

5201

221.45.5300

5605.6

5047

203

5425

5125

80

39

36

16

187

50

153

22

252

5602

221.45.5600

5891.6

5347

203

5711

5425

84

39

36

18

187

50

153

22

265

5764

221.45.6000

6287.6

5747

203

6107

5825

90

39

36

18

187

50

153

22

282

6129

MEDICAL EQUIPMENT

Medical devices can be roughly divided into treatment equipment (scalpels, catheters, pacemakers, contact lenses, etc.) and diagnostic devices (X-ray CT apparatus, an ultrasonic diagnostic apparatus, MRI, etc.).

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OIL AND GAS

Oil and gas technology is developing at a very rapid pace, and exploiting deeper oil and gas resources in harsher environments means that the top drives need more power to withstand higherloads.When unforeseen downtime costs are as high as $1 million per day, the reliability of equipment becomes particularly important, and the reliability of key parts of the bearing directly determines the performance of the equipment.

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