Product Description

1. Description
We provide a complete range of bearings, in line with the market-oriented principle, the production of a variety of standard and non-standard bearings.

We provide a complete range of bearings, in line with the market-oriented principle, the production of a variety of standard and non-standard bearings. Application areas include: construction machinery, wind power generation, offshore platforms, petroleum metallurgy, ships, aerospace, armor, nuclear power, machinery manufacturing and other industries.

2. Specifications of Spherical Roller Bearings we can offer

Bearing No.

Dimensions(mm)

Weight

 

d

D

T

kg

22208CA/C3W33

40

80

23

0.54

22209CA/C3W33

45

85

23

0.58

22210CA/C3W33

50

90

23

0.62

22211CA/C3W33

55

100

25

0.84

22212CA/C3W33

60

110

28

1.2

22213CA/C3W33

65

120

31

1.6

22214CA/C3W33

70

125

31

1.7

22215CA/C3W33

75

130

31

1.8

22216CA/C3W33

80

140

33

2.2

22217CA/C3W33

85

150

36

2.7

22218CA/C3W33

90

160

40

3.28

22219CA/C3W33

95

170

43

4.1

22220CA/C3W33

100

180

46

5

22222CA/C3W33

110

200

53

7.2

22224CA/C3W33

120

215

58

8.9

22226CA/C3W33

130

230

64

11.2

22228CA/C3W33

140

250

68

14.5

22230CA/C3W33

150

270

73

18.6

22308CA/C3W33

40

90

33

1

22309CA/C3W33

45

100

36

1.38

22310CA/C3W33

50

110

40

1.85

22311CA/C3W33

55

120

43

2.35

22312CA/C3W33

60

130

46

2.95

22313CA/C3W33

65

140

48

3.55

22314CA/C3W33

70

150

51

4.4

22315CA/C3W33

75

160

55

5.25

22316CA/C3W33

80

170

58

6.39

22317CA/C3W33

85

180

60

7.25

22318CA/C3W33

90

190

64

8.6

22319CA/C3W33

95

200

67

10.1

22320CA/C3W33

100

215

73

13.4

22322CA/C3W33

110

240

80

18

22324CA/C3W33

120

260

86

22

22326CA/C3W33

130

280

93

28.5

Bearing No.

Dimensions(mm)

Weight

 

d

D

T

KG

21306CA/C3W33

30

72

19

0.412

21307CA/C3W33

35

80

21

0.542

21308CA/C3W33

40

90

23

0.743

21309CA/C3W33

45

100

25

1

21310CA/C3W33

50

110

27

1.3

21311CA/C3W33

55

120

29

1.65

21312CA/C3W33

60

130

31

2.08

21313CA/C3W33

65

140

33

2.57

21314CA/C3W33

70

150

35

3.11

21315CA/C3W33

75

160

37

3.76

21316CA/C3W33

80

170

39

4.47

21322CA/C3W33

110

240

50

11.8

23571CA/C3W33

120

180

46

3.98

23026CA/C3W33

130

200

52

5.85

23571CA/C3W33

140

210

53

6.31

23030CA/C3W33

150

225

56

7.74

23032CA/C3W33

160

240

60

9.43

23034CA/C3W33

170

260

67

12.8

23036CA/C3W33

180

280

74

16.9

23038CA/C3W33

190

290

75

17.7

23040CA/C3W33

200

310

82

22.7

23044CA/C3W33

220

340

90

29.7

23048CA/C3W33

240

360

92

32.4

24571CA/C3W33

120

180

60

5.05

24026CA/C3W33

130

200

69

7.55

24571CA/C3W33

140

210

69

8.01

24030CA/C3W33

150

225

75

10.1

24032CA/C3W33

160

240

80

12.2

24034CA/C3W33

170

260

90

16.7

24036CA/C3W33

180

280

100

22.1

24038CA/C3W33

190

290

100

23

24040CA/C3W33

200

310

109

29.3

24044CA/C3W33

220

340

118

38.1

24048CA/C3W33

240

360

118

40.8

3. Sizes of Various Model Spherical Roller Bearings

4. More details

5. Overview of Company

HangZhou Rundong Petroleum Machinery Co., Ltd is a professional company with 18 years history in manufacturing of petroleum machinery products. Our company has an area of 17500 square meters, 12 technical personels, 18 quality inspection personels, 126 workers and 9 patents. Annual output value is up to USD $14 million. After comparing with foreign famous brand products during testing on offshore of COSL and various oilfields , some products enjoy the same quality level with them both in processing technic and service life. Our company has made excellent contribution in pushing Chinese petroleum machinery industry forward.

6. Our certificates & patents
7. Pacakge of our products


8. Customers’ visiting shows

9. After-sales service(on-well service)
10. Transportation

11. FAQ
Q1: Are you manufacture?
A1: Yes, we are. We have been in drilling industry for 20 years and some of our products has enjoyed high reputation already, such as drilling tools, mud pump parts etc. Meanwhile, we trade other accessories to save customers’ energy and shipping cost.

Q2: How to believe that our products have high quality?

A2: We are first-choice supplier of COSL, SINOPEC, CNPC since we established our company. Our products have been tested compared with some foreign famous brand on on-shore and off-shore drilling projects many times. Our products show their high-cost-performance always.

Q3: How can I choose the most suitable products ?

A3: Please let us know your needed products name and specifications. Our professional technical department will suggest the most suitable products to you according to your fact demands.

Q4: Could you supply samples?
A4: Yes, we could. We are glad to supply samples, but with sample fees. 

Q5: Whether you can manufacture strange kind of products, even the model isn’t clear ?
A5: Yes, we could. If you can provide the drawings, we can manufacture as per your drawings. If you don’t have drawings, the samples are workable. After receiving your samples, we can measure and make a drawing, then manufacture as per the drawing.

Q6: What is your trade terms?
A6: EXW, FOB, CFR and CIF etc. all acceptable.

Q7: What’s the Payment Terms ?
A7: 30% T/T after signing the contract and 70% balance before delivery.

Q8: What’s the delivery time?
A8: For stocks in available, it could be shipped out within 3 days after receiving the prepayment. For products need to be produced, usually 35 working days.

Q9: What’s the warranty time?
A9: Normally, it is 12 months after you receiving our products.

To Be Negotiated 1 Piece
(Min. Order)

###

Rolling Body: Roller Bearings
The Number of Rows: Double
Outer Dimension: Large (200-430mm)
Material: Chrome Steel/Carbon Steel
Spherical: Aligning Bearings
Load Direction: Thrust Bearing

###

Samples:
US$ 20/Piece
1 Piece(Min.Order)

|
Request Sample

###

Bearing No.
Dimensions(mm)
Weight
 
d
D
T
kg
22208CA/C3W33
40
80
23
0.54
22209CA/C3W33
45
85
23
0.58
22210CA/C3W33
50
90
23
0.62
22211CA/C3W33
55
100
25
0.84
22212CA/C3W33
60
110
28
1.2
22213CA/C3W33
65
120
31
1.6
22214CA/C3W33
70
125
31
1.7
22215CA/C3W33
75
130
31
1.8
22216CA/C3W33
80
140
33
2.2
22217CA/C3W33
85
150
36
2.7
22218CA/C3W33
90
160
40
3.28
22219CA/C3W33
95
170
43
4.1
22220CA/C3W33
100
180
46
5
22222CA/C3W33
110
200
53
7.2
22224CA/C3W33
120
215
58
8.9
22226CA/C3W33
130
230
64
11.2
22228CA/C3W33
140
250
68
14.5
22230CA/C3W33
150
270
73
18.6
22308CA/C3W33
40
90
33
1
22309CA/C3W33
45
100
36
1.38
22310CA/C3W33
50
110
40
1.85
22311CA/C3W33
55
120
43
2.35
22312CA/C3W33
60
130
46
2.95
22313CA/C3W33
65
140
48
3.55
22314CA/C3W33
70
150
51
4.4
22315CA/C3W33
75
160
55
5.25
22316CA/C3W33
80
170
58
6.39
22317CA/C3W33
85
180
60
7.25
22318CA/C3W33
90
190
64
8.6
22319CA/C3W33
95
200
67
10.1
22320CA/C3W33
100
215
73
13.4
22322CA/C3W33
110
240
80
18
22324CA/C3W33
120
260
86
22
22326CA/C3W33
130
280
93
28.5

###

Bearing No.
Dimensions(mm)
Weight
 
d
D
T
KG
21306CA/C3W33
30
72
19
0.412
21307CA/C3W33
35
80
21
0.542
21308CA/C3W33
40
90
23
0.743
21309CA/C3W33
45
100
25
1
21310CA/C3W33
50
110
27
1.3
21311CA/C3W33
55
120
29
1.65
21312CA/C3W33
60
130
31
2.08
21313CA/C3W33
65
140
33
2.57
21314CA/C3W33
70
150
35
3.11
21315CA/C3W33
75
160
37
3.76
21316CA/C3W33
80
170
39
4.47
21322CA/C3W33
110
240
50
11.8
23024CA/C3W33
120
180
46
3.98
23026CA/C3W33
130
200
52
5.85
23028CA/C3W33
140
210
53
6.31
23030CA/C3W33
150
225
56
7.74
23032CA/C3W33
160
240
60
9.43
23034CA/C3W33
170
260
67
12.8
23036CA/C3W33
180
280
74
16.9
23038CA/C3W33
190
290
75
17.7
23040CA/C3W33
200
310
82
22.7
23044CA/C3W33
220
340
90
29.7
23048CA/C3W33
240
360
92
32.4
24024CA/C3W33
120
180
60
5.05
24026CA/C3W33
130
200
69
7.55
24028CA/C3W33
140
210
69
8.01
24030CA/C3W33
150
225
75
10.1
24032CA/C3W33
160
240
80
12.2
24034CA/C3W33
170
260
90
16.7
24036CA/C3W33
180
280
100
22.1
24038CA/C3W33
190
290
100
23
24040CA/C3W33
200
310
109
29.3
24044CA/C3W33
220
340
118
38.1
24048CA/C3W33
240
360
118
40.8
To Be Negotiated 1 Piece
(Min. Order)

###

Rolling Body: Roller Bearings
The Number of Rows: Double
Outer Dimension: Large (200-430mm)
Material: Chrome Steel/Carbon Steel
Spherical: Aligning Bearings
Load Direction: Thrust Bearing

###

Samples:
US$ 20/Piece
1 Piece(Min.Order)

|
Request Sample

###

Bearing No.
Dimensions(mm)
Weight
 
d
D
T
kg
22208CA/C3W33
40
80
23
0.54
22209CA/C3W33
45
85
23
0.58
22210CA/C3W33
50
90
23
0.62
22211CA/C3W33
55
100
25
0.84
22212CA/C3W33
60
110
28
1.2
22213CA/C3W33
65
120
31
1.6
22214CA/C3W33
70
125
31
1.7
22215CA/C3W33
75
130
31
1.8
22216CA/C3W33
80
140
33
2.2
22217CA/C3W33
85
150
36
2.7
22218CA/C3W33
90
160
40
3.28
22219CA/C3W33
95
170
43
4.1
22220CA/C3W33
100
180
46
5
22222CA/C3W33
110
200
53
7.2
22224CA/C3W33
120
215
58
8.9
22226CA/C3W33
130
230
64
11.2
22228CA/C3W33
140
250
68
14.5
22230CA/C3W33
150
270
73
18.6
22308CA/C3W33
40
90
33
1
22309CA/C3W33
45
100
36
1.38
22310CA/C3W33
50
110
40
1.85
22311CA/C3W33
55
120
43
2.35
22312CA/C3W33
60
130
46
2.95
22313CA/C3W33
65
140
48
3.55
22314CA/C3W33
70
150
51
4.4
22315CA/C3W33
75
160
55
5.25
22316CA/C3W33
80
170
58
6.39
22317CA/C3W33
85
180
60
7.25
22318CA/C3W33
90
190
64
8.6
22319CA/C3W33
95
200
67
10.1
22320CA/C3W33
100
215
73
13.4
22322CA/C3W33
110
240
80
18
22324CA/C3W33
120
260
86
22
22326CA/C3W33
130
280
93
28.5

###

Bearing No.
Dimensions(mm)
Weight
 
d
D
T
KG
21306CA/C3W33
30
72
19
0.412
21307CA/C3W33
35
80
21
0.542
21308CA/C3W33
40
90
23
0.743
21309CA/C3W33
45
100
25
1
21310CA/C3W33
50
110
27
1.3
21311CA/C3W33
55
120
29
1.65
21312CA/C3W33
60
130
31
2.08
21313CA/C3W33
65
140
33
2.57
21314CA/C3W33
70
150
35
3.11
21315CA/C3W33
75
160
37
3.76
21316CA/C3W33
80
170
39
4.47
21322CA/C3W33
110
240
50
11.8
23024CA/C3W33
120
180
46
3.98
23026CA/C3W33
130
200
52
5.85
23028CA/C3W33
140
210
53
6.31
23030CA/C3W33
150
225
56
7.74
23032CA/C3W33
160
240
60
9.43
23034CA/C3W33
170
260
67
12.8
23036CA/C3W33
180
280
74
16.9
23038CA/C3W33
190
290
75
17.7
23040CA/C3W33
200
310
82
22.7
23044CA/C3W33
220
340
90
29.7
23048CA/C3W33
240
360
92
32.4
24024CA/C3W33
120
180
60
5.05
24026CA/C3W33
130
200
69
7.55
24028CA/C3W33
140
210
69
8.01
24030CA/C3W33
150
225
75
10.1
24032CA/C3W33
160
240
80
12.2
24034CA/C3W33
170
260
90
16.7
24036CA/C3W33
180
280
100
22.1
24038CA/C3W33
190
290
100
23
24040CA/C3W33
200
310
109
29.3
24044CA/C3W33
220
340
118
38.1
24048CA/C3W33
240
360
118
40.8

Advantages and disadvantages of different types of bushings

Bushings are a simple but essential part of machinery with sliding or rotating shaft assemblies. This type of bearing is used in a wide variety of industries because its high load-carrying capacity and excellent anti-friction properties make it a necessity for construction, mining, hydropower, transportation and agricultural machinery. In addition to these applications, bushings also play a vital role in material handling and food processing. This article explores the various types of bushings available.
bushing

air casing

The air bushing forms a frictionless cylinder that applies the load to the rotating object. Bushings are used to measure torque and provide self-centering force in applications where linear motion is critical. The following are load equations that can be used to select the appropriate air sleeve for your application. To learn more about these air sleeves, read on. This article discusses the benefits and uses of air bushings in linear motion.
Bushings have many advantages over bearings. They are not prone to wear and corrosion. Unlike bearings, they can easily bypass conversion and inspection periods. Their high-quality design guarantees reliable machine performance, yet they are inexpensive and easy to replace. In many industries, air compressors are essential for sports. The air bushing eliminates friction, allowing the compressor to work more efficiently. They can also help eliminate the need for frictionless bearings and improve the overall efficiency of the machine.
Another type of air bearing is the cylindrical bushing. These are used for linear and aerostatic motion. Their low friction properties allow them to support radial loads without wearing out or damaging components. They are usually used for normal sized shafts. Air bushings have several components that can be used with other types of air bearings. Cylindrical air bearings have four o-ring grooves that allow them to be inserted into the structure. They are often used with other types of air bearings for smoother motion.

rubber bushing

If you’re looking to buy a new suspension system, you may be wondering if rubber or polyurethane is the right choice. Rubber is less expensive, but not without its drawbacks. Polyurethane is more durable and offers better handling and suspension. Rubber bushings also reduce road feel, while polyurethane isolates the driver from the road. Both materials will help you improve handling and alignment, but each has advantages and disadvantages.
Typically, rubber bushings are cylindrical components with metal inner and outer surfaces. These metals can be stainless steel, mild steel or aluminum. They are usually stress relieved and prestressed for maximum durability. They are designed to meet the exact specifications of a specific application. For example, shock-absorbing rubber bushings are cushioning pads made of polyurethane that absorb road bumps and noise.
Unlike polyurethane, rubber suspension bushings have a shorter lifespan than polyurethane. This is because rubber is more susceptible to damage from UV rays, road chemicals and oils. The rubber also stretches and warps due to the pressure of the road. The rubber bushing also squeaks, which can be cause for concern. But if the noise persists for a long time, it may be a sign that your vehicle needs a new suspension system.
The main reason why cars use rubber bushings is for shock absorption. During machine use, vibration and noise caused by the movement of parts can cause serious damage. To prevent this, rubber bushings act as shock absorbers and damping agents. Rubber bushings are an excellent choice for automakers, but they are also used in a variety of industrial settings.
bushing

Polyurethane bushing

If you want to make your vehicle handle better, polyurethane bushings may be the answer. They come in different shapes and sizes and can improve a wide range of areas. This article will explore the advantages and disadvantages of polyurethane bushings and their potential place in your car. However, before you decide to upgrade your suspension, you should understand the various advantages and disadvantages of polyurethane bushings.
The main difference between a polyurethane bushing and a rubber bushing is how the bushing rides on the suspension arm. Polyurethane bushings do not have faces that slide against each other like rubber bushings. This means they allow for more rotation and flexion, as well as consistent alignment of the control arms. Polyurethane bushings require lubrication, but only need to be lubricated every five years, much longer than equivalent rubber bushings.
Another difference between polyurethane and rubber bushings is hardness. The former has the least elasticity and is generally the most suitable for street use. While rubber bushings provide the best NVH quality, they are also notorious for changing suspension geometry. Rubber is known to be an excellent choice for street use, but polyurethane has a lifespan that far outlasts rubber.

bronze bushing

There are two main types of bronze bushings, sintered and cast. The latter require additional lubrication and are typically used in applications where powder metal products cannot be secured. The former is cheaper than the latter, but the process is more expensive. Bronze bushings can be used in environments where the material will be exposed to high temperature and vibration. For these reasons, the production process is relatively slow and expensive.
The strength of bronze is the main reason why they are so popular. Brass is a softer metal that deforms and corrodes easily. The bronze casing can withstand continuous immersion in water and can last for hundreds of years with little or no maintenance. However, it is important to note that this metal is not resistant to aggressive chemicals and requires regular maintenance to keep it in good condition.
Bronze bushings offer many advantages, including durability and aesthetics. Bronze bushings are available in a variety of sizes and can be ordered in imperial and metric sizes. They can be built to your specifications and are very durable. You can even custom order them if you want. And because they can be customized, they are an excellent choice for high-end applications. The quality of the bronze bushings is second to none.

Plastic bushing

Engineered composite plastic bushings have been shown to last longer than bronze bushings and have also been found to reduce maintenance costs by up to 40%. Plastic bushings have become the first choice for thousands of applications, including medical equipment, food processing machinery, pumps, and more. Bronze bushings are oil-impregnated, but their performance is limited by their inherent weaknesses: oil-impregnated bronze tends to develop high levels of capillary action and requires rotational motion to maintain an intact oil film. Low speed and intermittent use of bronze bushings can also hinder the ability of the lubricant to provide adequate lubrication.
Advantages of plastic bushings over metal include low friction, non-reactive surfaces, and long life. CZPT offers a variety of engineering plastics that outperform traditional metals in a range of applications. For example, nylon bushings resist wear while requiring little lubrication. In addition, polymer-shaped plastics are lightweight and highly resistant to aggressive cleaning agents and chemicals.
Besides being less expensive than metal bushings, plastic bushings offer many other advantages. They are very durable, have a low coefficient of friction, and are more wear-resistant than metal. Unlike metal, plastic bushings do not require lubrication and do not absorb dust and oil like metal bushings. They are lightweight, easy to maintain and last longer. This makes them an excellent choice for many applications.
bushing

Sleeve bearing

Sleeve bearings are simple pipes with matching components. They facilitate linear motion by absorbing friction and vibration. They can withstand heavy loads and work at high temperatures for long periods of time. Flange bearings are similar to sleeve bearings, but are enclosed and rotated in a housing unit. Sleeve bearings have higher load-carrying capacity and resistance to shock loads. Furthermore, they are lightweight and low cost.
Another name for sleeve bearings is babbitt radial bearings. These bearings are usually made of bronze and have straight inner and outer diameters. They are also impregnated with oil and can withstand radial loads. Typical uses for sleeve bearings are agriculture, automotive and machine tools. Sleeves can also be solid or cored material, depending on the intended use.
The type of sleeve bearing used in the bushing is important in determining which type of bushing to buy. Sleeve bearings are sized based on pressure and speed considerations. Typically, the PV limit is an upper bound on the combined pressure and velocity for a given casing material. In some cases, the sleeve bearing used in the bushing is the same as the plain bearing.
Sleeve bearings are simple in design and made from a variety of materials, including bronze and plastic. They are more affordable than metal, but plastic is still not inaudible. Plastic sleeve bearings will rattle like metal bearings if the gap between the two bushings is not accurate. Additionally, high temperature electronic painting can permanently thin the casing. The stainless steel backing provides a good surface for electronic painting and enhances abrasion resistance.

China NSK NTN Full Exchangeable High Speed 21312 22310 22311 22312 22334 22207 Spherical Roller Bearings     bearing airChina NSK NTN Full Exchangeable High Speed 21312 22310 22311 22312 22334 22207 Spherical Roller Bearings     bearing air
editor by czh 2022-11-28