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ZWRZ Tapered roller bearing 331series
ZWRZ Tapered roller bearing 331series

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1.Tapered roller bearing are applicable for heavy load and impact load.
2.High quality with reasonable price.
3.Quick delevery

Tapered roller bearing is designed in such a way that cone paexes of inner ring raceway,outer ring raceway and roller raceway intesects at one point of its central line.Beside metric series products,there are inch series products,which are applicable for heavy load and impact load.

1,Single row tapered roller bearing

It can bear simultaneously radial load and single row axial load.

When carrying radial load,it creates axial thrust load.Thus two bearings are configured (or combined)face to face or back to back.

According to contact angle difference,it is classified into three types:small come angle, medium cone angle and big cone angle.

2,Double row tapered roller bearing

It is classifide into two types:capped and open.

The former equips two raceway outer rings and two single raceway inner rings.The latter equips two raceway outer rings and one double raceway inner ring.Both of them can bear radial load and double row axial load.In order to make bearing having required internal clearance after eing installed,its inner/outer spacer are thinned preciously.

3,Four row tapered roller bearing

Four row tapered roller bearing is composed of two double row inner rings and one double row outer ring consisting two single outer rings.Between two inner rings,there is one inner spacer.Among these three outer rings, two central spacer is furnished,which can be used to adjust clearance. When borne by heavy radial load, it can bear simultaneously acial load in two different directions.But its allowed speed is not much,which is mainly used for roller bearing of rolling mill.In recent years,fout row tapered roller bearing with double face seal is manufactured and gradually used in diferent industries.

Small sized bearing of this kind is generally made by bearing steel.For large sized one, its is made by carburizing steel.For extremely large sized one,it is made consisting hollow roller and support cage to elongate its sercice life.

4,Tolerance and clearance

Its tolerance is P0 generally.Bearing with much more high level tolerance can be tailored according to client's manufacturing.During assembly,its clearance shall be adjusted according to adjustment specification and bearing manufacturing agreement(or standard clearance if there is no manufacturing agreement).After operating a certain period,client can readjust clearance.

Type

d(mm)

D(mm)

B(mm)

Type

d(mm)

D(mm)

B(mm)

29412

60

130

42

29438

190

380

115

29413

65

140

45

29440

200

400

122

29414

70

150

48

29444

220

420

122

29415

75

160

51

29448

240

440

122

29416

80

170

54

29452

260

480

132

29417

85

180

58

29456

280

520

145

29418

90

160

60

29460

300

540

145

29420

100

210

67

29464

320

580

155

29422

110

230

73

29468

340

620

170

29424

120

250

78

29472

360

640

170

29426

130

270

85

29476

380

670

175

29428

140

280

85

29494

480

850

224

29430

150

300

90

294/500

500

870

224

29432

160

320

95

294/600

600

1030

258

29434

170

340

103

294/750

750

1280

315

29436

180

360

109

 

 

 

 

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