China Professional CZPT Bearing Deep Groove Ball Bearings for Airplane Model Skateboard Hardware Tools Spinning Top Fidget Spinner Roller Skate Gym Equipment Yoyo Pulley Parts with Good quality

Product Description

No matter for the roller skates, skateboard, long board, or fitness equipment, CZPT bearing is the best choice to upgrade yours.

 

We Can Do Customized Service For bearings:
 

You can mark your logo or your company name on bearings, here are 2 different ways, 1 is print your logo on packing, another ways is engrave your logo on bearing, bellow here is pictures for your referce.

If you do not have the picture, our engineer can also design a perfect templet for you!

Technical Data
 

Inside Ø (mm): 8
Outside Ø (mm): 22
Width (mm): 7
Tolerance for inside-Ø (mm): 0/-0,008
Tolerance for outside-Ø (mm): 0/-0,009
Tolerance for width (mm): 0/-0,12
Rows Of Balls: single row
Seal: ZZ
Internal Clearance: CN (Standard)
Flange: no
Slot & Snap Ring: no
Ring Material: Chrome Steel
Rolling Element Material: Chrome Steel
Cage Material: Sheet Steel
Full Complement Ball Set: no
Magnetic: yes
Type of lubrication: greased
Lifetime lubricated: yes
Product weight: 0,0120 Kg

Features
 

  • miniature ball bearing with smallest dimensions
  • suitable for high radial loads and light axial loads in both directions
  • suitable for high running accuracy, quiet running and very high speeds
  • seal: non-contact gap seal on both sides made of a profiled sheet steel disc (ZZ) for higher speeds than with rubber seal
  • good fixed bearing property, but can also be used as a floating bearing, each in both directions

Principal dimensions Basic load ratings Fatigue Speed ratings Mass Designation
  dynamic static load    
  limit Reference speed Limiting speed
d D B C C0 Pu Explorer bearing 
mm kN kN r/min kg
85 180 41 140 96,5 3,55 8000 5000 4,25 6317 *
85 180 41 140 96,5 3,55 2400 4,25 6317-2RS1 *
85 180 41 140 96,5 3,55 8000 4000 4,25 6317-2Z *
85 180 41 140 96,5 3,55 2400 4,25 6317-RS1 *
85 180 41 140 96,5 3,55 8000 5000 4,25 6317-Z *
85 210 52 174 137 4,75 7000 4500 9,50 6417
88,9 165,1 28,575 95,6 73,5 2,8 7500 5300 2,85 RLS 28
88,9 206,375 44,45 153 117 4,15 6300 4500 6,50 RMS 28
90 115 13 19,5 22 0,915 11000 7000 0,28 61818
90 115 13 19,5 22 0,915 3200 0,28 61818-2RS1
90 115 13 19,5 22 0,915 11000 5600 0,28 61818-2RZ
90 125 18 33,2 31,5 1,23 11000 6700 0,59 61918
90 140 16 43,6 39 1,56 10000 6300 0,85 16018 *
90 140 24 60,5 50 1,96 10000 6300 1,15 6018 *
90 140 24 60,5 50 1,96 2800 1,15 6018-2RS1 *
90 140 24 60,5 50 1,96 10000 5000 1,15 6018-2Z *
90 140 24 60,5 50 1,96 2800 1,15 6018-RS1 *
90 140 24 60,5 50 1,96 10000 6300 1,15 6018-Z *
90 160 30 101 73,5 2,8 8500 5300 2,15 6218 *
90 160 30 101 73,5 2,8 2600 2,15 6218-2RS1 *
90 160 30 101 73,5 2,8 8500 4300 2,15 6218-2Z *
90 160 30 101 73,5 2,8 2600 2,15 6218-RS1 *
90 160 30 101 73,5 2,8 8500 5300 2,15 6218-Z *
90 190 43 151 108 3,8 7500 4800 4,90 6318 *
90 190 43 151 108 3,8 2400 4,90 6318-2RS1 *
90 190 43 151 108 3,8 7500 3800 4,90 6318-2Z *
90 190 43 151 108 3,8 2400 4,90 6318-RS1 *
90 190 43 151 108 3,8 7500 4800 4,90 6318-Z *
90 225 54 186 150 5 6700 4300 11,5 6418
95 120 13 19,9 22,8 0,93 11000 6700 0,30 61819
95 120 13 19,9 22,8 0,93 3000 0,30 61819-2RS1
95 120 13 19,9 22,8 0,93 11000 5300 0,30 61819-2RZ
95 130 18 33,8 33,5 1,43 10000 6300 0,61 61919
95 130 18 33,8 33,5 1,43 3000 0,61 61919-2RS1
95 145 16 44,8 41,5 1,63 9500 6000 0,89 16019 *
95 145 24 63,7 54 2,08 9500 6000 1,20 6019 *
95 145 24 63,7 54 2,08 2800 1,20 6019-2RS1 *
95 145 24 63,7 54 2,08 9500 4800 1,20 6019-2Z *
95 145 24 63,7 54 2,08 2800 1,20 6019-RS1 *
95 145 24 63,7 54 2,08 9500 6000 1,20 6019-Z *
95 170 32 114 81,5 3 8000 5000 2,60 6219 *
95 170 32 114 81,5 3 2400 2,60 6219-2RS1 *
95 170 32 114 81,5 3 8000 4000 2,60 6219-2Z *
95 170 32 114 81,5 3 2400 2,60 6219-RS1 *
95 170 32 114 81,5 3 8000 5000 2,60 6219-Z *
95 200 45 159 118 4,15 7000 4500 5,65 6319 *
95 200 45 159 118 4,15 2200 5,65 6319-2RS1 *
95 200 45 159 118 4,15 7000 3600 5,65 6319-2Z *
95 200 45 159 118 4,15 2200 5,65 6319-RS1 *
95 200 45 159 118 4,15 7000 4500 5,65 6319-Z *
100 125 13 19,9 24 0,95 10000 6300 0,31 61820
100 125 13 19,9 24 0,95 3000 0,31 61820-2RS1
100 125 13 19,9 24 0,95 10000 5300 0,31 61820-2RZ
100 140 20 42,3 41 1,63 9500 6000 0,83 61920
100 150 16 46,2 44 1,73 9500 5600 0,91 16571 *
100 150 24 63,7 54 2,04 9500 5600 1,25 6571 *
100 150 24 63,7 54 2,04 2600 1,25 6571-2RS1 *
100 150 24 63,7 54 2,04 9500 4500 1,25 6571-2Z *
100 150 24 63,7 54 2,04 2600 1,25 6571-RS1 *
100 150 24 63,7 54 2,04 9500 5600 1,25 6571-Z *
100 180 34 127 93 3,35 7500 4800 3,15 6220 *
100 180 34 127 93 3,35 2400 3,15 6220-2RS1 *
100 180 34 127 93 3,35 7500 3800 3,15 6220-2Z *
100 180 34 127 93 3,35 2400 3,15 6220-RS1 *
100 180 34 127 93 3,35 7500 4800 3,15 6220-Z *
100 215 47 174 140 4,75 6700 4300 7,00 6320
100 215 47 174 140 4,75 6700 3400 7,00 6320-2Z
100 215 47 174 140 4,75 6700 4300 7,00 6320-Z
101,6 215,9 44,45 174 140 4,75 6000 4300 6,55 RMS 32
105 130 13 20,8 19,6 1 10000 6300 0,32 61821
105 130 13 20,8 19,6 1 2800 0,32 61821-2RS1
105 130 13 20,8 19,6 1 10000 5000 0,32 61821-2RZ
105 145 20 44,2 44 1,7 9500 5600 0,87 61921
105 160 18 54 51 1,86 8500 5300 1,20 16571 *
105 160 26 76,1 65,5 2,4 8500 5300 1,60 6571 *
105 160 26 76,1 65,5 2,4 2400 1,60 6571-2RS1 *
105 160 26 76,1 65,5 2,4 8500 4300 1,60 6571-2Z *
105 160 26 76,1 65,5 2,4 2400 1,60 6571-RS1 *
105 160 26 76,1 65,5 2,4 8500 5300 1,60 6571-Z *
105 190 36 140 104 3,65 7000 4500 3,70 6221 *
105 190 36 140 104 3,65 2200 3,70 6221-2RS1 *
105 190 36 140 104 3,65 7000 3600 3,70 6221-2Z *
105 190 36 140 104 3,65 2200 3,70 6221-RS1 *
105 190 36 140 104 3,65 7000 4500 3,70 6221-Z *
105 225 49 182 153 5,1 6300 4000 8,25 6321
105 225 49 182 153 5,1 6300 3200 8,25 6321-2Z
105 225 49 182 153 5,1 6300 4000 8,25 6321-Z
110 140 16 28,1 26 1,25 9500 5600 0,60 61822
110 140 16 28,1 26 1,25 2600 0,60 61822-2RS1
110 140 16 28,1 26 1,25 9500 4500 0,60 61822-2RZ
110 150 20 43,6 45 1,66 9000 5600 0,90 61922
110 170 19 60,2 57 2,04 8000 5000 1,45 16571 *
110 170 28 85,2 73,5 2,4 8000 5000 1,95 6571 *
110 170 28 85,2 73,5 2,4 2400 1,95 6571-2RS1 *
110 170 28 85,2 73,5 2,4 8000 4000 1,95 6571-2Z *
110 170 28 85,2 73,5 2,4 2400 1,95 6571-RS1 *
110 170 28 85,2 73,5 2,4 8000 5000 1,95 6571-Z *
110 200 38 151 118 4 6700 4300 4,35 6222 *
110 200 38 151 118 4 6700 3400 4,35 6222-2Z *
110 200 38 151 118 4 6700 4300 4,35 6222-Z *
110 240 50 203 180 5,7 6000 3800 9,55 6322
114,3 238,125 50,8 203 180 5,7 5300 3800 8,90 RMS 36
120 150 16 29,1 28 1,29 8500 5300 0,65 61824
120 150 16 29,1 28 1,29 2400 0,65 61824-2RS1
120 150 16 29,1 28 1,29 8500 4300 0,65 61824-2RZ
120 165 22 55,3 57 2,04 8000 5000 1,20 61924
120 180 19 63,7 64 2,2 7500 4800 1,60 16571 *
120 180 28 88,4 80 2,75 7500 4800 2,05 6571 *

ZheJiang CZPT Bearing Co.,ltd

ZheJiang CZPT Bearing Co.,ltd is a professional manufacturer and supplier for bearings for more than 15 years. Our factory is located in ZheJiang  province and covering an area of 20,000 square meters, it boasts of 120 staff, among which 6 are senior engineers and technicians, with a registered capital of 20,000,000 and an annual production capacity of 30,000,000 units of bearings.
our export department office is located in ZheJiang  city which is a port city ,for convenience inspection before shipment .
Our main products include ball bearings,roller bearings, wheel hub bearings etc. ,but also we accept customized products design and OEM Service based on the detailed drawings from our clients .
SKF, NSK, NTN, KOYO, NACHI, IKO, NMB , these famous brands all have deep connection and strong cooperation relationship with us . We can also export the above products in appropriate way according to clients’ market .  
After several years’ development, our company has formed a professional management system and our corporate value is “Considering more for customer’s consideration”, which is also our business principle.
Our products are comprehensive used in different fields such as , mining, petroleum, machinery, electric power, furniture etc. We sincerely wish to build reliable relationship with every of our customers from worldwide.
“Good quality with sincere service”  is our slogan to our clients.
 

Packing way:
 

* Industrial package + outer carton + pallet
* Single box + outer carton + pallet
* Tube package + middle box + outer carton + pallet
* Original packaging + pallet
* According to your requirements

How to Select:
Choose the bearing number or size.
Pricing adjusts according to the bearing size selected.

Our Main Customer:
-Manufacturer self use 
-Bearing Trader 
-Hardware shop 
-Automobile Sales Service Shop 4S

Why choose ZheJiang CZPT bearing?

Customer Service:

Our team has over 15 years combined experience with expert product and industry knowledge. We can advise upon the most suitable products for your application. All queries are handled by our team within 24 hours every working day.

Professional Team:

Our team undertakes training on a regular basis for continuous professional development. This ensures the high level of professionalism and skills our team showcases through our client visits, industry events and product knowledge.

We specialized in providing customized services to all major OEMS

Q1: What does ZheJiang CZPT Bearing & Manufacturing do? What are your specialties?
A1: With over 15 years’ experience, ZheJiang CZPT Bearing is a manufacturer of a full line of standard ball and roller bearings. Currently, we offer 13 different bearing series which are available across a wide size range, including IDs from 5/64″ to 6-1/2″ and ODs from 15/64″ to 13-3/4″.

In addition, we also make custom, made-to-order ball bearings and roller bearing components that aren’t shown on our website or catalog. We have quoted items per print, per sample, and as interchanges for other manufacturer’s products.

Q2: What types and styles of bearings do you make?
A2: We make a variety of bearing types, including ball bearings, roller bearings, thrust bearings, combination bearings, pillow block bearings, custom bearing, and more.

Moreover, we can make bearings in many styles and configurations, including single direction, double direction, caged, banded, separated, open, enclosed, full ball compliment, etc.

Q3: Do you offer any unique secondary services?
A3: Besides bearings, we offer a variety of secondary services to our contract manufacturing customers. Our diverse manufacturing capabilities include CNC turning and machining, manual turning and machining, CNC milling, lapping, super finishing, induction welding, laser marking of finished parts, automatic saw cutting, reverse engineering, and CNC grinding, including ID grinding, OD grinding, cylindrical grinding, centerless grinding, surface grinding, and double disk grinding.

Q4: What services separate ZheJiang CZPT Bearing from other suppliers?
A4: Unlike ZheJiang CZPT Bearing, some bearing suppliers do not manufacture their own products. Many of them purchase bearings in other factory, and quite often, these suppliers will change their source of supply without informing customers, resulting in quality issues. ZheJiang CZPT Bearing’s products are manufactured in north China manufacturing facility.

In addition, we hold a unique spot in the industry because we are CZPT to combine the capabilities of a large bearing manufacturer with the precision and attention to detail of a small bearing shop. This allows us to offer personalized service, short lead times, on-time delivery, trusted bearing expertise, innovative solutions, top quality products, and more.

Q5: Do you have any industry certifications?
A5: Yes. Upon request, we can provide SGS, material certs, inspection reports, and material trace ability. Please include all certifications you require along with your RFQ, if any.

Q6: What is your privacy policy, return policy, and terms & conditions? Is there a warranty?
A6: We do offer a warranty that says all products are free of manufacturing defects, and depending on the circumstances, we may allow returns with a 25% restocking fee.

Q7: What is your manufacturing process?
A7:  All materials are sourced domestically (i.e., chrome steel, stainless steel, ceramic, bronze, brass, etc.). Individual components for the bearings are machined in-house on our CNC lathes. Machined pieces are sent out locally for heat treating (hardening). Upon return, the pieces are precision machined, washed, and assembled into finished bearings. Bearings are laser marked and either stocked or packaged for shipping.
                                         

             

We are the factory that is willing to accompany with you to grow and develop together, we hope to establish a long-term cooperative relationship with you. And you are very welcome to contact me and visit our factory.

What is a pulley?

Pulleys are shafts or wheels on a shaft that support the movement and change of direction of a taut cable. The pulley also transfers power from the shaft to the cable. A simple pulley is used to raise the school flag. Read on to learn about the basic types of pulleys. We also covered the use of pulleys in everyday life. Read on to learn more about this important mechanical part.
pulley

composite pulley

A composite pulley is a mechanical system where 2 or more pulleys and ropes are connected together. It reduces the force required to lift the load because the force is divided by the distance of each pulley. Distance is equal to the mass of the object. Composite pulleys are a common mechanical system on sailboats. Composite pulleys can be used to lift heavy equipment such as sails.
The compound pulley unit consists of 2 pulleys, 1 fixed and the other movable. The fixed pulley is fixed overhead, while the movable pulley is connected to the load by a chain. The lift applies force to the other end of the rope. Anchor points are attached to fixed joists, ceiling joists or sturdy branches. The chain should be long enough to support the load during lifting.
Composite pulleys can be made from a variety of materials. Some are fixed and remain fixed. Others are detachable. The composite pulley combines the advantages of both types, making it a versatile tool. In the table below, these 3 types of pulleys are compared. It’s easy to see which 1 is best for your needs. The right choice depends on your specific needs and budget.
The compound pulley system consists of 2 fixed pulleys and 1 movable pulley. The compound pulley system multiplies the force by a factor of 2. The compound pulley system is particularly suitable for heavy loads and is ideal for construction sites. Workers apply less than half the load force on the composite pulley, significantly reducing the force required. This is a major benefit for many people.

Fixed pulley

Fixed pulleys are fixed gears of fixed length that are mounted on solid objects. There are many different types of pulley systems. Some cooperate with each other, but not “fixed”.
Fixed pulleys can be used for a variety of purposes. One application is to lift small objects. They have a one-to-1 mechanical advantage. Often, a single pulley can lift small loads. The force required to lift a single fixed pulley remains the same. They are usually used to lift lighter objects. They can even be attached to buckets used to draw water from wells.
While single fixed pulleys have desirable mechanical advantages, they are not suitable for force multipliers. Because their mechanical advantage diminishes over time, they are not effective force multipliers. They are used to redirect work so that it can be applied in the most convenient direction. This mechanical advantage is the main advantage of fixed pulleys and the most common way of moving objects. They have several benefits, including the ability to increase the speed of moving objects.
Another application for fixed pulleys is lifting supplies. A scaffold can weigh more than 1 and can be directly hoisted. In order to facilitate the transportation of materials, fixed pulleys are usually installed on the top of the scaffolding on construction sites. Then thread the rope through the edge of the groove that holds the pulley. The fixed pulley exerts the same force on the pull side as on the push side. The same is true for moving objects with fixed pulleys.
pulley

moving pulley

A movable pulley is a device whose part is fixed to another object, usually a rod or beam. The movable part moves with the load, making the load feel lighter. This is a useful tool for those who need to carry heavy items such as large bags. The advantages of moving pulleys are many. Here are some of them. Read on to learn more about them.
One of the most common uses of movable pulley systems is climbing high objects. Climbers act as pulley loads and pull ropes to lift objects. Eventually, when the traction stops, the climber descends. However, it is still a useful tool in other situations. The movable pulley system can help you climb the tallest objects or lift them to level surfaces.
Another example of movable pulleys is in industry. Depending on the load, movable pulleys make handling and moving loads easier. You can use them in a variety of applications in manufacturing and industry, including cleaning. For example, the American flag is raised and lowered every day. Removable pulleys are a handy tool when buildings need cleaning.
If you’re not sure whether a task requires a pulley, a zipline might be a good option. Connect the 2 ends of the rope and the pulley will move along the rope, then attach the rope to the metal cable. The load is the person holding the pulley, and the force comes from the attachment on the other end of the rope. There are 2 types of live pulleys: simple pulleys with just 1 wheel and live pulleys with many ropes attached.

School flag raised with simple pulleys

How is the school flag raised? It is pulled up by a rope attached to a pulley at the top of the pole. When the rope is pulled, the pulley turns, raising the flag. A pulley is a simple mechanism that helps people move heavier objects with ease. The rope must be securely attached to the pulley to keep the flag stable.
A simple pulley is a spinning wheel with grooves on 1 side and ropes on the other. The rope can be any length and the wheels can be any size. The rope has to go through the groove and the load is attached to the other end of the rope. Simple pulleys are pulleys with fixed shafts. An example is the wheel on a school flagpole.
A simple pulley system consists of a primary pole, a secondary pole and an outer member. The primary flagpole is connected to the track by a detour, while the secondary flagpole is connected to the track by a pipe. There is a groove on 1 side of the track, which passes through the inner cavity of the flagpole. An open track at the upper end of the track connects the 2 parts of the pulley.
A simple pulley can be used for many purposes. This is a useful machine that can be used to raise the flag. Among other things, it can be used in clothing lines, bird feeders, and even roofers. And, of course, you can use the pulley to raise the flag. Its versatility makes it an essential part of school decor.
pulley

cast iron pulley

If you are looking for pulleys for your machine, you may come across cast iron pulleys. They are usually cheap and available in a variety of sizes. The rim is held in place by a mesh attached to a central boss. The arms and spokes can be straight or curved, but most are oval. There are many uses for this type of pulley.
You might wonder why the arms of cast iron pulleys are so curved. Bent arms tend to yield rather than break. Cast iron pulleys are usually round with a slight bump on the rim, which helps keep the belt centered on the rim as it moves. On a 300mm diameter pulley, the bumps may be as small as 9mm.

China Professional CZPT Bearing Deep Groove Ball Bearings for Airplane Model Skateboard Hardware Tools Spinning Top Fidget Spinner Roller Skate Gym Equipment Yoyo Pulley Parts   with Good qualityChina Professional CZPT Bearing Deep Groove Ball Bearings for Airplane Model Skateboard Hardware Tools Spinning Top Fidget Spinner Roller Skate Gym Equipment Yoyo Pulley Parts   with Good quality