Category Archives: Product Catalog

China Best Sales Hot Sale Durable Window Roller Nylon Rollers Wheel Bearings Round Shape Groove Pulley with Great quality

Product Description

Hot Sale Durable Window Roller Nylon rollers wheel Bearings round shape groove pulley 

ZheJiang CZPT Bearing Co., Ltd.
 
      —–1). Miniature Ball Bearings in ZheJiang CZPT are manufactured to the highest quality for standard and non-standard applications.
      —–2). Our technical department can modify any non-standard bearings to your specific requirements, even for small quantities.
      —–3). For any items not listed in our catalogue, please contact our experienced sales team.
 
Product Description
Hot Sale Durable Window Roller Nylon rollers wheel Bearings round shape groove pulley 
Material: PU or Chrome Steel /Carbon Steel Rings + Plastic /Chrome Steel /Carbon Steel /Ceramic Balls, Iron cage Nylon/ Steel Cage;
Structure: Miniature Deep Groove Ball Bearings;
Brand: NMN or Customers’ OEM brand;
Ganrantee: One-Year After-Sale Ganrantee.
 
Features of ceramic bearing:
– Full ceramic bearing, SI3N4 or ZRO2 races and balls, PTFE cage or full balls no cage.
– Hybrid ceramic bearing, chrome/ stainless steel rings, SI3N4/ZRO2 balls, nylon/Peek cage.

Micro Bearing/ Miniature Bearing Series: Metric & Inch

Bearing No

(d)

(D)

(b)

Limiting Speed

open

Grease

Oil

*1000rpm

MR63zz Bearing

    3

6

2

71

80

683zz Bearing

7

2

63

75

693zz Bearing

8

3

60

67

603zz Bearing

9

3

56

67

623zz Bearing

10

4

50

60

MR74zz Bearing

  

 

  4

7

2

60

67

694zz Bearing

11

4

48

56

604zz Bearing

12

4

48

56

624zz Bearing

13

5

40

48

634zz Bearing

16

5

36

43

MR85zz Bearing

    5

8

2

53

63

685zz Bearing

11

3

45

53

695zz Bearing

13

4

43

50

605zz Bearing

14

5

40

50

625zz Bearing

16

5

36

43

635zz Bearing

19

6

32

40

MR106zz Bearing

    6

10

2.5

45

53

696zz Bearing

15

5

40

45

606zz Bearing

17

6

38

45

626zz Bearing

19

6

32

40

636zz Bearing

22

7

30

36

MR117zz Bearing

    7

11

2.5

43

50

687zz Bearing

14

3.5

40

50

697zz Bearing

17

5

36

43

607zz Bearing

19

6

36

43

627zz Bearing

22

7

30

36

637zz Bearing

26

9

28

34

MR128zz Bearing

  8

12

2.5

40

48

688zz Bearing

16

4

36

43

698zz Bearing

19

6

36

43

608zz Bearing

22

7

34

40

628zz Bearing

24

8

28

34

638zz Bearing

28

9

28

34

679zz Bearing

  9

14

3

3

42

689zz Bearing

17

4

36

43

699zz Bearing

20

6

34

40

609zz Bearing

24

7

32

38

629zz Bearing

26

8

28

34

639zz Bearing

30

10

24

30

Our Products

Packaging & Shipping

Packaging & Shipping:
With ZheJiang Naimei, all bearings are:
1). Packed in good and safe industrial packages, either in plastic bag, or plastic tube, or white box, or colored box. Customized package, pls contact us freely.
2). Shipped on time and handled carefully to ensure perfect package CZPT customers’ receiving.
Our Services
Why Choose US?
ZheJiang  Naimei Bearing Co., Ltd. sincerely ensures every present and potential customers and friends that we will always Do Our Best:
Pre-Sales:
1. OEM & ODM Service;
2. Reponse any inquiry within 12 hours;
3. Detailed Bearing Datasheet and Quotation will be provided;
4. Free sample is avaible;
5. Factory Audit is the most welcome.
 
In-Production:
1. Production schedule and process details will be offered every week;
2. Mass production picture will also be offered;
3. Any other reasonable requirements will also be done
 
After-Sales:
1. Original clearance documents will be sent by DHL together with courier tracking number;
2. Customer satisficaiton survey;
3. One-Year quality ganrantee.
 
Company Profile
ZheJiang CZPT Bearing Group is a professional  bearing manufacturer and exporter in China. We have been engaged in bearing industry for 20 years.  Our company is specialized in producing Deep Groove Ball Bearings, Tapered Roller Bearings,Spherical Roller Bearings and Special Bearings in accordance with Customers’ designs. Our bearings  has been widely applied into agricutural equipments,home applicances, power equipments,machine tools,automotives and engineering machinery,etc.

Our production is strictly executed with ISO9001 and ISO14001. Our products are mainly exported to Singpore, South Korea,Vietnam,Thailand,Turkey,Pakistan,Australia,Poland,France,UK,South Africa, USD,South America and other countries and regions of the world, with great public praise of high quality and reasonable price.

We sincerely hope we can build a long term relationship with all the clients and we also have great confidence in cooperating with every potential customer by most premium service and competitive price.

Welcome your inquiry and welcome your visit.ZheJiang CZPT Bearing Co., Ltd.
Our main products include:
1. Miniature Bearings: like 608, 609, 625, 626, 693, 695, etc;
2. Deep Groove Ball Bearings: like 6000, 6200, 6300, 6800, 6900, 16000 Series;
3. Non-Standard Bearings: U grooved bearings, V grooved bearings, double grooved bearings, bearing rollers with or without plastic injection.
  
Research and Development
Since 2008, the Corporation has set up a Research & Development Center equipped with multiple laboratories used for precision measurement, mechanical testing, lifespan testing, and physicochemical testing, to continuously upgrade its skills and raise its manufacturing standard and product’s precision. Our workshops are installed with a series of advanced numerically-controlled, grinding and assembly equipment that utilize centralized filtration and cooling systems. Together with the production equipment suppliers, we developed these grinding, ultra-precision, fully automated integrated production lines, and own the intellectual property rights. The precision level of the products are at P5 level and above, with noise level CZPT Z4, V4 and above. Some of our projects have exceeded the 30% precision reserves. Our products are widely used in electric motors, automobiles, motorcycles, household appliances, textile, electric tools and water pump equipment industries, both locally and globally. 
Other  products shows

Your Exclusive Consultant—-Swift
 

ZheJiang CZPT Bearing Co.,Ltd

 
 

Shipping Cost:

Estimated freight per unit.



To be negotiated|


Freight Cost Calculator

Contact Angle: N/a
Aligning: Non-Aligning Bearing
Separated: Unseparated
Samples:
US$ 0/Set
1 Set(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

pulley

How to Assemble a Pulley System

A pulley is a wheel that rotates on a shaft or shaft to support the movement of a taut cable. Pulleys allow power to be transmitted from the shaft to the cable.

Simple pulley

The simplest theory of operation of a pulley system assumes that the rope and weight are weightless and that the rope and pulley are not stretched. Since the force on the pulley is the same, the force on the pulley shaft must also be zero. Therefore, the force exerted on the pulley shaft is also distributed evenly between the two wires passing through the pulley. The force distribution is shown in Figure 1.
The use of simple pulleys is as old as history. Before the Industrial Revolution, people relied on muscle strength to carry heavy loads. Pulleys, levers and ramps make this possible. Today, we can see pulleys in a variety of systems, from exercise equipment to garage doors, and even rock climbers use them to help them reach greater heights. As you can see, these simple machines have been around for centuries and are used in everyday life.
Another simple pulley system is the pulley system. In this system, there is a fixed pulley at the top and a movable pulley at the bottom. The two pulleys are connected by a rope. This combination reduces the amount of work required to lift the load. Additionally, the ropes used in this system are usually made of rope and woven through the individual wheels of the pulley drum.
A pulley is an ingenious device that distributes weight evenly and can be used to lift heavy objects. It is easy to build and can be easily modified for a wide range of activities. Even young children can make their own with very few materials. You can also use simple household items such as washing machines, thin textbooks and even chopsticks. It’s very useful and can be a great addition to your child’s science and engineering activities.
The simplest pulley system is movable. The axis of the movable pulley can move freely in space. The load is attached to one end of the pulley and the other end to the stationary object. By applying force on the other end of the rope, the load is lifted. The force at the other end of the rope is equal to the force at the free end of the pulley.
Another form of pulley is the compound pulley. Compound pulleys use two or more wheels to transmit force. Compound pulleys have two or more wheels and can lift heavier objects. Dim is POLE2.
pulley

tapered pulley

It is important to clean and align the bolt holes before assembling the tapered pulley. The screws should be lubricated and the threads cleaned before installation. To install the pulley, insert it into the shaft keyway. The keyway should be aligned with the shaft hole to prevent foreign matter from entering the pulley. Then, alternately tighten the bolts until the pulley is tightened to the desired torque.
A tapered pulley is a basic structure. The pulley belt is arranged across four steps. Installed between the headstock casting and the main shaft, it is often used in the paper industry. It integrates with printing machinery and supports assembly lines. These pulleys are also available in metric range options, eliminating the need for ke-waying or re-drilling. They are easy to install, and users can even customize them to suit their needs.
CZPT Private Limited is a company that provides unique products for various industries. This large product is used for many different purposes. Also, it is manufactured for industrial use. The company’s website provides detailed specifications for the product. If you need a tapered pulley, contact a company in your area today to purchase a quality product!
Tapered pulleys are vital to paper mill machinery. Its special design and construction enable it to transmit power from the engine source to the drive components. The advantages of this pulley include low maintenance costs and high mechanical strength. Cone wheel diameters range from 10 inches to 74 inches. These pulleys are commonly used in paper mills as they offer low maintenance, high mechanical strength and low wear.
A tapered sleeve connects the pulley to the shaft and forms an interference fit connector. The taper sleeve is fixed on the shaft with a key, and the corresponding inner hole is fixed on the shaft with a key. These features transmit torque and force to the pulley through friction. This allows the tapered pulley to move in a circular motion. The torque transfer characteristics of this pulley are most effective in high speed applications.
The sleeve is the most important part when assembling the tapered pulley. There is an 8-degree taper inside the cone, which is closely connected to the inner surface of the pulley. Taper sleeves and pulleys are interchangeable. However, tapered pulleys can be damaged after prolonged use.
pulley

pulley pulley system

A pulley pulley system is a great way to move heavy objects. These systems have been around for centuries, dating back to the ancient Greeks. This simple mechanism enables a person to lift heavy objects. These blocks are usually made of rope, and the number of turns varies for different types of rope. Some blocks have more cords than others, which creates friction and interferes with the easy movement of the lifting system.
When using a pulley pulley, the first thing to decide is which direction to pull. Unfavorable rigging means pulling in the opposite direction. In theory, this method is less efficient, but sometimes requires a certain amount of work space. The benefit is that you will increase the mechanical advantage of the pulley by pulling in the opposite direction. So the interception and tackle system will give you more of a mechanical advantage.
Pulley pulleys are an excellent choice for lifting heavy objects. The system is simple to install and users can easily lift objects without extensive training. Figure 3.40 shows a pulley in action. In this photo, the person on the left is pulling a rope and tying the end of the rope to a weight. When the rope is attached to the load, the rope will be pulled over the pulley and pulley.
The blocks on the blocks are attached to the ends of the rope. This creates unique lifting advantages compared to single-line systems. In Figure 3, the tension of each thread is equal to one-third of the unit weight. When the rope is pulled over the pulley, the force is divided equally between the two wires. The other pulley reverses the direction of the force, but that doesn’t add any advantage.
Use pulleys to reduce traction and load. The weight of the load has not changed, but the length of the rope has increased. Using this method, lifting the load by pulling the rope four times reduces the force required to lift one foot. Likewise, if the pulley system had four pulleys instead of three, the length of the rope would be tripled.
The system can transmit loads in any direction. Rope length is determined by multiplying the distance from the fixed block to the load by the mechanical advantage. If the mechanical advantage is 3:1, then passing the rope through the pulley 3 times will produce the required traction distance. Also, the length of the rope will depend on the mechanical advantage, so if the load is three times the length of the rope, it will be more than three times the required length.

China Best Sales Hot Sale Durable Window Roller Nylon Rollers Wheel Bearings Round Shape Groove Pulley   with Great quality China Best Sales Hot Sale Durable Window Roller Nylon Rollers Wheel Bearings Round Shape Groove Pulley   with Great quality
editor by CX