Solution Description


Item Introduction

LTZC’s cross cylindrical roller slewing bearings are composed of a inner ring, outer ring, a single row of rollers, cage (spacer), and seal unit and so forth. The LTZC cross cylindrical roller slewing bearing can carry distinct merged forces induced by axial load, tilting second and radial load in distinct functioning issue, by modifying the amount of crossed rollers and contact angle. There are integral and different rings in the structure of LTZC cross cylindrical roller slewing bearing. Cages or spacers are usually adopted inside design in order to simplicity friction. The enhance of a complete set of rollers is usually taken when the load is heavier. Nonetheless, the higher frictional resistance could trigger groove marks around the circle exactly where rollers and raceway speak to.

 

Item Product

Dimension

Type

Excess weight

d

D

T

 

mm

 

kg≈

1100

1390

91

111.28.1250.03/P5

352

1260

1540

ninety six

111.32.1400.03K/G1

428

1400

1728

a hundred and ten

D1792/1400

624

1466

 

eighty

111.28.1600.03

405

1466

 

eighty

111.28.1600.03

405

1460

1740

91

111.32.1600.03K

486

1629

 

one hundred

111.36.1800.03

690

1954

 

148

1797/1954

1116

1954

 

148

1797/1954K

1135

1825

2132

112

111.forty.2000.11K/P5

838

1825

2178

112

111.forty.2000.12K

862

1825

2178

112

111.forty.2000.03K

862

1825

2178

one hundred thirty five

111.forty.2000.03K1/P5

1110

2100

2600

one hundred eighty

1797/2100G2K3

2377

2327

 

119

1797/2327

1322

2460

3016

220

1797/2460

3794

2500

 

210

1797/2500K3

4597

2500

 

210

1797/2500K12

4597

2500

 

210

1797/2500K13

4596

2325

2678

112

112.forty.2500.12

1147

2325

2678

112

112.40.2500.03

1147

2579

3571

231

1797/2579

3118

2600

 

two hundred

1797/2600G2K7

3558

2600

 

200

1797/2600G2K8

3558

2600

 

200

1797/2600K

3562

2350

2820

220

111.65.2610.twelve

2989

2635

3332

270

1797/2635G2K

5925

2635

3400

270

1797/2635GK

5936

2625

2978

112

111.forty.2800.03K

1282

2625

2978

112

112.40.2800.03

1298

2625

3192

one hundred fifty

112.forty.2800.03K

2780

2610

2990

134

111.fifty.2800.03

1652

2922

3376

134

111.fifty.3150.12K1

2165

2922

3376

134

111.50.3150.03K

2179

2922

3376

134

112.50.3150.03

2161

2868

3432

270

111.ninety.3150.03

4943

2930

3470

225

112.80.3200.03K

4493

3322

3776

134

111.fifty two.3550.03

2493

3322

3776

a hundred and fifty

112.fifty.3550.12K2

2484

3322

 

one hundred eighty

112.50.3550.12K3/G1

3389

3760

4450

250

1797/3760

8246

3820

 

164

111.forty.4030.03

3106

3830

 

180

111.50.4030.03K

3552

4272

4726

174

112.50.4500.12K1

4302

4272

4690

174

112.50.4500.12K2

4444

3230

3990

240

1797/3230K6

8096

3230

 

240

1797/3230K7

7669

3230

3970

240

1797/3230K8

7613

3230

3970

240

1797/3230K9

7627

3230

3970

252

1797/3230K10

7859

3230

 

240

1797/3232K11

7663

3230

3970

240

1797/3230K12

7613

3230

3990

240

1797/3230K13

7712

3230

3970

240

1797/3230K14

7613

3230

3970

240

1797/3230K15

7613

3230

3970

240

1797/3230G2K14

7613

3230

3990

240

1797/3230G2K15

8096

3230

3970

240

1797/3230G2K16

7613

3230

3960

240

1797/3230G2K17

7633

3230

3970

240

1797/3230G2K18

7619

3230

3970

240

1797/3230G2K19

7619

3230

3970

240

1797/3230G2K20

7613

3230

 

240

1797/3230G2Y5

7673

3230

3970

240

1797/3230G2Y6

7613

3230

 

240

1797/3230G2Y7

7673

620

 

sixty one

111.20.7100.03/P6

82.two

674

853

70

111.25.770.03K/P4

a hundred and one

674

853

70

111.twenty five.770.03K1/P4

101

810

 

a hundred twenty five

E1797/810

420

854

1136

a hundred

D1797/856

298

954

1234

124

1797/954

455

888

1041

83

111.25.980.03

129

168

254

21

C1797/168

5.31

171

 

40

D1797/171

14.three

200

315

thirty

1797/two hundred

fifteen

235

380

55

1797/235K

24.5

two hundred

322

35

111.twelve.260.03

eleven.2

200

322

35

111.twelve.260.03/P5

11.two

250

372

35

111.12.310.03/P5

13.4

260

 

86

111.30.386.03

87

496

694

sixty five

D1797/496

79.seven

472

694

sixty

111.25.587.03/P5

eighty three.seven

664

858

seventy five

E1797/664

109

FAQ

Lubrication Functionality Need

Lubrication choices are mainly in accordance to loading, temperature, vibration and working environment etc. Added concerns must also be taken into account:

Excellent functionality on high and low temperature assortment, if possible watertight.

Functioning temperature need to be 20ºC higher than the bearing doing work temperature.

Very good performance in severe force situations, in addition to antiwear qualities.

Exactly where bearings adopted a centralized lubrication system, then it is important to guarantee regularity inside of the program, so as to sustain a clean flow of lubricant at any time.

Typically utilised grease for slewing bearings included Calcium based mostly grease, Lithium dependent grease, and Aluminum dependent grease and many others.

 

Lubrication Period

The slewing bearing’s lubrication intervals are dependent on the functioning problem and atmosphere in addition to the operate time. Some recommendations are thorough beneath:

 

Generally lubrication maintenance ought to be carried out every single 150 hrs. If under extreme operating situations then this period of time should be decreased to 50~100 hrs. (Standard extreme conditions are high moisture situations,higher temperature,dusty setting, and so on)

If the bearing is scheduled to be out of support for a lengthy period of time, then the bearing needs to be loaded with lubricant.

 

Lubrication Strategies

Grease ought to be injected from the respective lubrication holes (the greasing points are typically a screwed hole with the dimension of M10×1 plug). Following greasing slowly turn the bearing so as to make sure that the grease is dispersed evenly.

If there are no unique greasing requests then grease must be inserted in the bearing right up until grease leaks out from the sealing lip in an even manner.

The lubricating hole can be used as the consumption point or the extract stage. When re-lubricating the outdated grease ought to be purged out by new grease that is currently being injected.

After re-lubrication guarantee that lubrication plug is put back into the grease stage. (For specific lubrication level)

 

Very hot Tags: cross cylindrical roller slewing bearing with outer tooth, companies, wholesale, customized, substantial good quality, low price tag

US $1-100,000
/ Set
|
1 Set

(Min. Order)

###

Standard or Nonstandard: Nonstandard
Feature: Corrosion-Resistant
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Single-Row
Roller Type: Crowned Raceway
Material: Bearing Steel

###

Customization:

###

Dimension

Type

Weight

d

D

T

 

mm

 

kg≈

1100

1390

91

111.28.1250.03/P5

352

1260

1540

96

111.32.1400.03K/G1

428

1400

1728

110

D1792/1400

624

1466

 

80

111.28.1600.03

405

1466

 

80

111.28.1600.03

405

1460

1740

91

111.32.1600.03K

486

1629

 

100

111.36.1800.03

690

1954

 

148

1797/1954

1116

1954

 

148

1797/1954K

1135

1825

2132

112

111.40.2000.11K/P5

838

1825

2178

112

111.40.2000.12K

862

1825

2178

112

111.40.2000.03K

862

1825

2178

135

111.40.2000.03K1/P5

1110

2100

2600

180

1797/2100G2K3

2377

2327

 

119

1797/2327

1322

2460

3016

220

1797/2460

3794

2500

 

210

1797/2500K3

4597

2500

 

210

1797/2500K12

4597

2500

 

210

1797/2500K13

4596

2325

2678

112

112.40.2500.12

1147

2325

2678

112

112.40.2500.03

1147

2579

3021

231

1797/2579

3118

2600

 

200

1797/2600G2K7

3558

2600

 

200

1797/2600G2K8

3558

2600

 

200

1797/2600K

3562

2350

2820

220

111.65.2610.12

2989

2635

3332

270

1797/2635G2K

5925

2635

3400

270

1797/2635GK

5936

2625

2978

112

111.40.2800.03K

1282

2625

2978

112

112.40.2800.03

1298

2625

3192

150

112.40.2800.03K

2780

2610

2990

134

111.50.2800.03

1652

2922

3376

134

111.50.3150.12K1

2165

2922

3376

134

111.50.3150.03K

2179

2922

3376

134

112.50.3150.03

2161

2868

3432

270

111.90.3150.03

4943

2930

3470

225

112.80.3200.03K

4493

3322

3776

134

111.52.3550.03

2493

3322

3776

150

112.50.3550.12K2

2484

3322

 

180

112.50.3550.12K3/G1

3389

3760

4450

250

1797/3760

8246

3820

 

164

111.40.4030.03

3106

3830

 

180

111.50.4030.03K

3552

4272

4726

174

112.50.4500.12K1

4302

4272

4690

174

112.50.4500.12K2

4444

3230

3990

240

1797/3230K6

8096

3230

 

240

1797/3230K7

7669

3230

3970

240

1797/3230K8

7613

3230

3970

240

1797/3230K9

7627

3230

3970

252

1797/3230K10

7859

3230

 

240

1797/3232K11

7663

3230

3970

240

1797/3230K12

7613

3230

3990

240

1797/3230K13

7712

3230

3970

240

1797/3230K14

7613

3230

3970

240

1797/3230K15

7613

3230

3970

240

1797/3230G2K14

7613

3230

3990

240

1797/3230G2K15

8096

3230

3970

240

1797/3230G2K16

7613

3230

3960

240

1797/3230G2K17

7633

3230

3970

240

1797/3230G2K18

7619

3230

3970

240

1797/3230G2K19

7619

3230

3970

240

1797/3230G2K20

7613

3230

 

240

1797/3230G2Y5

7673

3230

3970

240

1797/3230G2Y6

7613

3230

 

240

1797/3230G2Y7

7673

620

 

61

111.20.7100.03/P6

82.2

674

853

70

111.25.770.03K/P4

101

674

853

70

111.25.770.03K1/P4

101

810

 

125

E1797/810

420

854

1136

100

D1797/856

298

954

1234

124

1797/954

455

888

1041

83

111.25.980.03

129

168

254

21

C1797/168

5.31

171

 

40

D1797/171

14.3

200

315

30

1797/200

15

235

380

55

1797/235K

24.5

200

322

35

111.12.260.03

11.2

200

322

35

111.12.260.03/P5

11.2

250

372

35

111.12.310.03/P5

13.4

260

 

86

111.30.386.03

87

496

694

65

D1797/496

79.7

472

694

60

111.25.587.03/P5

83.7

664

858

75

E1797/664

109

US $1-100,000
/ Set
|
1 Set

(Min. Order)

###

Standard or Nonstandard: Nonstandard
Feature: Corrosion-Resistant
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Single-Row
Roller Type: Crowned Raceway
Material: Bearing Steel

###

Customization:

###

Dimension

Type

Weight

d

D

T

 

mm

 

kg≈

1100

1390

91

111.28.1250.03/P5

352

1260

1540

96

111.32.1400.03K/G1

428

1400

1728

110

D1792/1400

624

1466

 

80

111.28.1600.03

405

1466

 

80

111.28.1600.03

405

1460

1740

91

111.32.1600.03K

486

1629

 

100

111.36.1800.03

690

1954

 

148

1797/1954

1116

1954

 

148

1797/1954K

1135

1825

2132

112

111.40.2000.11K/P5

838

1825

2178

112

111.40.2000.12K

862

1825

2178

112

111.40.2000.03K

862

1825

2178

135

111.40.2000.03K1/P5

1110

2100

2600

180

1797/2100G2K3

2377

2327

 

119

1797/2327

1322

2460

3016

220

1797/2460

3794

2500

 

210

1797/2500K3

4597

2500

 

210

1797/2500K12

4597

2500

 

210

1797/2500K13

4596

2325

2678

112

112.40.2500.12

1147

2325

2678

112

112.40.2500.03

1147

2579

3021

231

1797/2579

3118

2600

 

200

1797/2600G2K7

3558

2600

 

200

1797/2600G2K8

3558

2600

 

200

1797/2600K

3562

2350

2820

220

111.65.2610.12

2989

2635

3332

270

1797/2635G2K

5925

2635

3400

270

1797/2635GK

5936

2625

2978

112

111.40.2800.03K

1282

2625

2978

112

112.40.2800.03

1298

2625

3192

150

112.40.2800.03K

2780

2610

2990

134

111.50.2800.03

1652

2922

3376

134

111.50.3150.12K1

2165

2922

3376

134

111.50.3150.03K

2179

2922

3376

134

112.50.3150.03

2161

2868

3432

270

111.90.3150.03

4943

2930

3470

225

112.80.3200.03K

4493

3322

3776

134

111.52.3550.03

2493

3322

3776

150

112.50.3550.12K2

2484

3322

 

180

112.50.3550.12K3/G1

3389

3760

4450

250

1797/3760

8246

3820

 

164

111.40.4030.03

3106

3830

 

180

111.50.4030.03K

3552

4272

4726

174

112.50.4500.12K1

4302

4272

4690

174

112.50.4500.12K2

4444

3230

3990

240

1797/3230K6

8096

3230

 

240

1797/3230K7

7669

3230

3970

240

1797/3230K8

7613

3230

3970

240

1797/3230K9

7627

3230

3970

252

1797/3230K10

7859

3230

 

240

1797/3232K11

7663

3230

3970

240

1797/3230K12

7613

3230

3990

240

1797/3230K13

7712

3230

3970

240

1797/3230K14

7613

3230

3970

240

1797/3230K15

7613

3230

3970

240

1797/3230G2K14

7613

3230

3990

240

1797/3230G2K15

8096

3230

3970

240

1797/3230G2K16

7613

3230

3960

240

1797/3230G2K17

7633

3230

3970

240

1797/3230G2K18

7619

3230

3970

240

1797/3230G2K19

7619

3230

3970

240

1797/3230G2K20

7613

3230

 

240

1797/3230G2Y5

7673

3230

3970

240

1797/3230G2Y6

7613

3230

 

240

1797/3230G2Y7

7673

620

 

61

111.20.7100.03/P6

82.2

674

853

70

111.25.770.03K/P4

101

674

853

70

111.25.770.03K1/P4

101

810

 

125

E1797/810

420

854

1136

100

D1797/856

298

954

1234

124

1797/954

455

888

1041

83

111.25.980.03

129

168

254

21

C1797/168

5.31

171

 

40

D1797/171

14.3

200

315

30

1797/200

15

235

380

55

1797/235K

24.5

200

322

35

111.12.260.03

11.2

200

322

35

111.12.260.03/P5

11.2

250

372

35

111.12.310.03/P5

13.4

260

 

86

111.30.386.03

87

496

694

65

D1797/496

79.7

472

694

60

111.25.587.03/P5

83.7

664

858

75

E1797/664

109

What is a bushing?

If you’ve ever wondered what an enclosure is, you’ve come to the right place. This article will provide an overview of different types of housings, including air-insulated, oil-impregnated porous bronze, and epoxy-impregnated capacitor cells. After reading this article, you will be better equipped to make an informed choice about the type of bushings your truck needs.
bushing

air insulating sleeve

When choosing bushings for your electrical application, you need to look for bushings with long-lasting insulation. In addition to being durable, bushings must have the correct design shape and material to remain effective over time. Porcelain was used in early casing designs and was chosen for indoor and outdoor applications due to its low cost and low linear expansion. Porcelain also requires a lot of metal fittings and flexible seals to remain effective.
Solid bushings have a center conductor and a porcelain or epoxy insulator. They are used in low voltage electrical applications such as small distribution transformers and circuit switches. However, their low radial capacity limits their use in high-voltage applications, so they are limited to circuit switches and other low-voltage equipment. The electrical service duty of the bushing determines the type of insulation required.
Another type of air-insulated bushing is made of conductive metal, which reduces heat transfer. This design enables it to operate over a range of temperature conditions. Additionally, air-insulated bushings are generally more effective than gas-insulated bushings in a range of applications. The main difference between air-insulated bushings and gas-insulated bushings is the insulating material. While gas-insulated bushings are usually made of high-quality materials, high-quality materials are still preferred in some applications.
Elliott # B series insulators are 25 kV class and pressure molded cycloaliphatic epoxy resins. They feature knurled brass inserts and 16 UNC threads. If you choose this type, make sure it matches the exact diameter of your Elliott Class 25 kv air insulated bushing. These insulators also provide overall shielding and require openings to fit inch diameters.
There are two types of air-insulated bushings: air-to-air and oil-to-oil. Oil is a stronger dielectric than air, and air-to-oil bushings are used to connect atmospheric air to oil-filled equipment. They are available for solid and capacitive hierarchies. So, which one is right for you? Just choose the right insulation to make your equipment as efficient as possible.

Oil Impregnated Porous Bronze Bushings

Oil-impregnated porous bronze (PbB) bushings are one of the best options for lubricating metal bearings. Lubrication is maintained even in high temperature applications as oil penetrates into the pores of the bronze. They are also self-lubricating and maintenance-free. Manufactured by CZPT, the Oil Impregnated Bronze Bushing is a powder metal process that is uniformly lubricated by a uniform oil film. This type of bearing is one of the most efficient in terms of precision performance.
One major difference between oil-impregnated bronze bushings and standard cast bronze bushings is their manufacturing process. Oil-impregnated bronze bushings are pressed from powder and then sintered to form a hardened part. This method is very effective for high-volume manufacturing, but it also has its limitations. Oil-impregnated bronze bushings are cheaper and more efficient, but they have mechanical limitations.
The production of oil-impregnated porous bronze bushings is simple. Powder bronze bushings are pressed and vacuum sealed by forcing oil into the pores. The low stress properties of oil-impregnated bronze bushings make them easier to manufacture in high volume. It also does not require additional lubrication. However, oil-impregnated porous bronze bushings have relatively low mechanical strength and are not recommended for applications where high temperatures are present.
Oil Impregnated Porous Bronze is also known as BPPB. Unlike traditional oil-impregnated bronze bushings, BPPB bushings have a high oil retention capacity. This means they will last a long time and you will save a lot of maintenance costs. But be careful. Porous bronze bushings can only last so long without oil.
Oil-impregnated bronze bushings are a good choice if dimensional consistency is important. BP bronze bushings have the same C dimension as solid metal bushings. While the CZPT is a ghost of the past, there are now many powder metal manufacturers producing BP housings. Their C of F values ​​range from 0.04 to 0.08.
bushing

Epoxy Impregnated Capacitor Batteries

Epoxy impregnated condenser core sleeves are conductive paper used in air conditioning systems. The paper core is coated with epoxy resin and the insulating shell is silicone rubber. RIP bushings have excellent electrical properties, are fire resistant and are relatively small. However, the process of making these products is not easy and mistakes are common. These defects manifest as cracks or other structural damage in the capacitor cells.
RIF (Resin Impregnated) bushings feature a finely graded design. The capacitor core is made of glass fiber impregnated with epoxy resin. The outer insulation is made of silicone rubber sheds glued directly to the capacitor core. These bushings are designed for small clearances, so no filler material is required.
In order to determine whether the RIP sleeve is void-free and dry, the insulating paper must be impregnated with epoxy resin. The process is similar to making conventional condenser core sleeves, but with greater flexibility and robustness. The main difference between RIP bushings and conventional insulators is the epoxy content.
Capacitor grading bushings are also available. These bushings increase the electric field at the ends of the capacitor core plates. The higher the temperature, the higher the electric field. These properties make resin-impregnated capacitor mandrel sleeves reliable. However, capacitor grade bushings have higher electric fields than nonlinear bushings.
The capacitor core of the present invention is made by winding paper around the winding tube 3 . The paper may contain an intermediate conductive foil. The winding tube is then covered with electrical insulator. Afterwards, the capacitor core 1 will be RIP and electrically connected to the electrical conductor 6 .
To further characterize the performance of RIPs, thermal shock current (TSC) was used to determine their trap parameters. Unmodified epoxy resin and nano-SiO2 modified RIP were tested. The RIP samples were polarized under a 2 kV/mm electric field at 333 K for 10 min and then subcooled to 193 K with liquid nitrogen. TSC curves were obtained at 3 K/min and 383 K.
bushing

plastic bushing

Plastic bushings are essential for many industries. They protect wires and other mechanical parts. They come in many shapes and sizes and are often used as adapters when connecting two pipes or tubes of different diameters. They are available in a variety of materials including rubber, steel and various other plastics. Most bushings are cylindrical or conical in shape and made of shock absorbing material. They slide on rods or pipes to provide low friction motion.
Plastic bushings can be made from a variety of materials, including phenolic, polyethylene, and nylon. While phenolic resins have long been the preferred choice for heavy-duty applications, nylon is the most commonly used lining plastic. Nylon has several advantages, including low friction, no lubrication, quiet operation, and low wear. In addition to these advantages, it is easy to form and cast. In order to obtain better mechanical properties, fillers such as molybdenum disulfide can be added to the material. Plus, filled nylon parts resist deformation at temperatures up to 300 degrees Fahrenheit.
Another benefit of plastic bushings is their low cost. Much cheaper than metal, plastic is a versatile material that can be used in a variety of industries. A quick installation and replacement process makes them the first choice for users who need to install new components quickly. Plus, plastic bushings don’t wear out as quickly as metal, which is another benefit. And because the wear rate of plastic bushings is predictable, manufacturers can easily replace them before they start to fail. And they last longer, so you save time and money.
Plastic bushings are widely used in machinery with sliding and rotating shaft components. They have excellent load-carrying capacity and anti-friction properties. They are essential to many industries, including construction, mining, agriculture, hydropower, transportation and food processing. They are easy to install and come in a variety of sizes and shapes. They are very durable and very reliable. They reduce machine wear and are less expensive than bearings.

China Cross Cylindrical Roller Slewing Bearing with Outer Tooth, External Gear     drive shaft bearingChina Cross Cylindrical Roller Slewing Bearing with Outer Tooth, External Gear     drive shaft bearing
editor by czh 2023-01-13