Product Description
PRODUCT PICTURES
OUR SERVICES
We can provide manufacturing capabilities and services of regular bearings for you, or customized non-standard bearings as you required.
 BEARING:
 — Dimensions
 — Material
 — Tolerance standard
APPEARANCE:
 — Logo (Laser Marking)
 — Package Design
40+ YEARS EXPERIENCEÂ
CONTINUOUS AND STABLE DELIVERY OF PRODUCTS.
With over 40 years experience of the bearing manufacturing, we know how to make good bearings with less cost consistently and efficiently.
We use advanced CNC turning, grinding, and superfinishing machines to ensure high, stable, and accurate machining. All of your goods, from the most economical category, to the highest rated category, will always be manufactured precisely to the standards you require.
OWN HEAT TREATMENTÂ
CONTROALLABLE COST AND QUALITY.
Heat treatment is 1 of the crucial processes to ensure high performance of bearing materials. Compared with other manufacturers, we can produce higher quality bearings at smaller cost, with a more flexible and controllable production schedule, and in a shorter time.Â
We have 6 heat treatment production lines.
Bearings are heated uniformly, with small deformation and little/no oxidized decarburization, which can make them have high hardness, high fatigue resistance, good wear resistance, dimensional stability, and excellent mechanical strength.
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OUTSTXIHU (WEST LAKE) DIS. QUALITY
LOW NOISE, LOW FRICTION AND LONG LIFE.
All our products are characterized by low noise, low friction and long life. This is due to our attention to the roundness, waviness and surface roughness of bearing raceway.
Our products fully meets the requirements of national and international standards accorind to the testing result of
roughness, roundness, hardness, vibration noise, vibration velocity.
PACKING
PACKAGING THAT HELPS SELL.
1, Inner package
  Corrosion and Dust Proof PE plastic film / bag packing + Tube packing, or Wrapping tape for larger bearings.
2, Corrugated Individual Box
  Our attractive sales-helpful “3-JOYS” package, or as the design of your package.
3, Outer package
 Corrugated carton + Wooden palletÂ
MODERN WELL-ORGANIZED WAREHOUSE
  · Constant temperature (20°C) and humidity (RH 52%) warehouse
  · Hundreds of models on hand, short delivery time.
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HONOR & SYSTEM CERTIFICATES
EXHIBITION
SAMPLES POLICYÂ
 FREE SAMPLES AND SHIPPING
 We are happy to send you free samples of our bearings for field  testing. All transportation costs will be paid by us.
 Please note: Depending on the model and value of samples,  this policy may not apply!
 Please contact our sales staff for details.
TRANSPORTATION
FASTEST DELIVERY TO CUSTOMERS
CUSTOMERS FEEDBACK
PAYMENT TERMSÂ
To facilitate your payment, we offer a variety of options!Â
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FAQ
1, About the lead time.
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This depends on several factors, like Is the production schedule tight? Is there a corresponding model in stock, and is there enough of this model in stock? How many pcs of that model would be ordered?
Simply speaking, based on a 20′ GP container load:
If the model your Preferred is | Sufficient stock | Lead Time |
Regular models | YES | Within 7 days |
Regular models | NO | Within 30 days |
Non-regular model | NO | About 50 days |
For accurate estimate, please contact with our sale stuff. Thanks.
2, Minimum order quantity.Â
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Even just ONE piece of bearing is ok for us.
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3, If you don’t know which model is the right choice…
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We would like to give you some advise if you like, according to the real situation and demand of your local market. Our purpose is to help you to get proper and right models for your customers, so that you would make a better sales and income finally.
4, Factory Inspection
We surely would welcome you or your representatives to come to our plants or working offices to take a good look and chat with our hardworking CZPT employees. Ask our sales stuff and she/he will arrange that for you.
OPTIONS OF SPECIFICATION AND STHangZhouRD
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Subject | Symbol | Description |
Sealing & Sealing type | Z | Metal shield on 1 side. |
ZZ | Metal shields on both sides. | |
RS | Rubber seal on 1 side. | |
2RS | Rubber seals on both sides. | |
ZNR | Shield on 1 side, snap ring groove in the outer ring, with snap ring on the opposite side of the shield | |
2ZNR | Shield on both sides, snap ring groove in the outer ring, with snap ring | |
ZNBR | Shield on 1 side, snap ring groove in the outer ring, with snap ring on the same side as the shield | |
Vibration Velocity | V | Normal vibration level. Is not indicated as a standard. |
V1 | Lower vibration level than normal. | |
V2 | Lower vibration level than V1. | |
V3 | Lower vibration level than V2. | |
V4 | Lower vibration level than V3. | |
Tolerances | P0(ABEC1) | Bearings in standard tolerance |
P6(ABEC3) | Tighter tolerance than standard bearings | |
P5(ABEC5) | Tolerance tighter than P6 | |
P4(ABEC7) | Tolerance tighter than P5 | |
P2(ABEC9) | Tolerance tighter than P4 | |
Radial internal clearance | C1 | Smaller clearance than C2 |
C2 | Smaller clearance than CN | |
CN(C0) | Clearance than normal | |
C3 | Clearance larger than CN | |
C4 | Clearance larger than C3 | |
C5 | Clearance larger than C4 | |
Snap Ring Groove | N | Snap ring groove in the outer ring |
NR | Snap ring groove in the outer ring, with snap ring | |
N1 | One locating slot in 1 outer ring side face | |
R | Flanged outer ring | |
Other technical modifications | NR | Groove with inserted snap ring in outer ring. |
N | Snap ring groove in the outer ring. | |
SS | Stainless steel. |
Cage Materials | J | Pressed steel cages |
M | Solid brass cage | |
F | Solid cage made from steel or iron | |
Y | Pressed brass cages. | |
T | Laminated phenolic cages. | |
TN | Polyamide cages | |
TH | Glass-fiber reinforced phenolic resin cages. | |
TV | Polyamide cage | |
Cage Designs | P | Window-type cage |
H | Claw-type cage | |
A | Cage guided on the bearing outer ring | |
B | Cage-guided on the bearing inner ring | |
S | Cage with lubricating slots in the guiding surfaces | |
D | Carbonitriding cage | |
W | Welded cage | |
R | Riveted Cage | |
Cage Types | N/A | Claw-type cage |
Ribbon cage | ||
Crown cage | ||
Sunflower cage | ||
Tapered cage |
PRODUCT PARAMETERS
This tech sheet may not contain all or every piece of information you want to know. Please contact our sales staff to obtain or compare the information.
Designation | Boundary Dimension (mm) | Limiting Speed (rpm) | Load Rating (Kn) | Weight | ||||
Designation | Inner Diameter (d) |
Outside Diameter (D) |
Width (B) |
Grease Lubrication | Oil Lubrication | Dynamic Load (cr) |
Static Load (cor) |
Weight (kg) |
6201 | 12 | 32 | 10 | 19000 | 24000 | 6.82 | 3.05 | 0.037 |
6202 | 15 | 35 | 11 | 18000 | 22000 | 7.65 | 3.72 | 0.045 |
6203 | 17 | 40 | 12 | 16000 | 20000 | 9.58 | 4.78 | 0.065 |
6204 | 20 | 47 | 14 | 14000 | 18000 | 12.8 | 6.65 | 0.106 |
6205 | 25 | 52 | 15 | 13000 | 15000 | 14 | 7.85 | 0.128 |
6206 | 30 | 62 | 16 | 11000 | 13000 | 19.5 | 11.3 | 0.199 |
6207 | 35 | 72 | 17 | 9200 | 11000 | 25.7 | 15.4 | 0.288 |
6208 | 40 | 80 | 18 | 8000 | 10000 | 29.5 | 18 | 0.368 |
6209 | 45 | 85 | 19 | 7000 | 9000 | 31.5 | 20.5 | 0.416 |
6210 | 50 | 90 | 20 | 6700 | 8500 | 35 | 23.2 | 0.463 |
6211 | 55 | 100 | 21 | 6000 | 7500 | 43.2 | 29.2 | 0.603 |
6212 | 60 | 110 | 22 | 5600 | 7000 | 47.8 | 32.8 | 0.789 |
6213 | 65 | 120 | 23 | 5000 | 6300 | 57.2 | 40 | 0.99 |
6214 | 70 | 125 | 24 | 4800 | 6000 | 60.8 | 45 | 1.084 |
6215 | 75 | 130 | 25 | 4500 | 5600 | 66 | 49.5 | 1.171 |
6216 | 80 | 140 | 26 | 4300 | 5300 | 71.5 | 54.2 | 1.448 |
6217 | 85 | 150 | 28 | 4000 | 5000 | 83.2 | 63.8 | 1.803 |
6218 | 90 | 160 | 30 | 3800 | 4800 | 95.8 | 71.5 | 2.17 |
6219 | 95 | 170 | 32 | 3600 | 4500 | 110 | 82.8 | 2.62 |
6220 | 100 | 180 | 34 | 3400 | 4300 | 122 | 92.8 | 3.19 |
6221 | 105 | 190 | 36 | 3200 | 4000 | 133 | 105 | 3.78 |
6222 | 110 | 200 | 38 | 3000 | 3800 | 144 | 117 | 4.42 |
6224 | 120 | 215 | 40 | 2600 | 3400 | 155 | 131 | 5.3 |
6226 | 130 | 230 | 40 | 2400 | 3200 | 165 | 148 | 6.12 |
6228 | 140 | 250 | 42 | 2000 | 2800 | 179 | 167 | 7.77 |
6230 | 150 | 270 | 45 | 1900 | 2600 | 203 | 199 | 9.78 |
6232 | 160 | 290 | 48 | 1800 | 2400 | 215 | 218 | 12.22 |
6234 | 170 | 310 | 52 | 1700 | 2200 | 245 | 260 | 15.241 |
6236 | 180 | 320 | 52 | 1600 | 2000 | 262 | 285 | 15.518 |
6238 | 190 | 340 | 55 | 1500 | 1900 | 285 | 322 | 18.691 |
6240 | 200 | 360 | 58 | 1400 | 1800 | 288 | 332 | 22.577 |
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Type: | Auto Clutch Bearing |
---|---|
Material: | Carbon Steel/Stainless Steel |
Tolerance: | P0 P4 P5 P6 |
Certification: | ISO9001, TS16949, ISO9006, QS9000, VDA6.1 |
Clearance: | C0 C1 C2 C3 C4 C5 |
Brand: | Sanxi |
Samples: |
US$ 0/Piece
1 Piece(Min.Order) | |
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Customization: |
Available
| Customized Request |
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How to identify the specifications of a shielded bearing?
Identifying the specifications of a shielded bearing is essential for selecting the appropriate replacement or determining compatibility with a specific application. Here’s a detailed explanation of how to identify the specifications of a shielded bearing:
- Manufacturer markings: Start by examining the bearing for any markings or labels provided by the manufacturer. These markings typically include important information such as the manufacturer’s logo, bearing part number, and sometimes additional codes or symbols.
- Bearing part number: The bearing part number is often the most crucial piece of information for identifying the specifications of a shielded bearing. It usually consists of a combination of letters, numbers, and symbols unique to that specific bearing model. The part number can be used to cross-reference with the manufacturer’s catalog or website to obtain detailed specifications.
- Bearing type and series: Determine the type of shielded bearing, such as deep groove ball bearing, angular contact bearing, or cylindrical roller bearing. Additionally, note the bearing series, which indicates the design and performance characteristics of the bearing within a specific size range.
- Size dimensions: Measure the bearing’s inner diameter (ID), outer diameter (OD), and width (or thickness). These dimensions are commonly expressed in millimeters (mm) and are crucial for ensuring compatibility with the bearing housing or shaft.
- Load and speed ratings: The load and speed ratings of a shielded bearing indicate its capacity to handle radial and axial loads, as well as its maximum allowable rotational speed. These ratings are typically specified by the manufacturer and can be found in their catalog or technical documentation.
- Bearing materials: Take note of the materials used in the construction of the shielded bearing, especially the inner and outer rings, rolling elements, and shields. Common materials include stainless steel, chrome steel, ceramics, and various types of polymers. The choice of materials can affect the bearing’s performance and suitability for specific environments.
- Sealing or shielding type: Determine the specific type of shield used in the bearing, such as metal shields (usually made of steel or stainless steel) or non-metallic shields (such as rubber or plastic). This information is important for understanding the level of protection provided by the shield against contaminants and debris.
- Additional features: Some shielded bearings may have additional features or specifications, such as special coatings for enhanced corrosion resistance, high-temperature capabilities, or specific industry certifications. These features should be identified and considered if they are relevant to the intended application.
It’s important to note that the above steps provide a general guideline for identifying the specifications of a shielded bearing. The specific information and format may vary depending on the manufacturer and bearing model. Consulting the manufacturer’s catalog, technical documentation, or reaching out to their customer support can provide more detailed and accurate information about the bearing’s specifications.
What sizes are available for shielded bearings?
Shielded bearings are available in a wide range of sizes to accommodate various applications and equipment. Here’s a detailed explanation of the sizes available for shielded bearings:
Shielded bearings are typically categorized based on their bore diameter, outer diameter, and width. The most common sizing convention used for shielded bearings is the ISO (International Organization for Standardization) standard, which provides standardized dimensions and tolerances for bearings. The sizes of shielded bearings are usually specified using a combination of alphanumeric codes that represent their dimensions.
The bore diameter is the inner diameter of the bearing and is denoted by the letter “d”. It is typically measured in millimeters (mm) or inches (in). Common bore diameter sizes for shielded bearings range from a few millimeters up to several hundred millimeters, depending on the specific application and industry requirements.
The outer diameter of the bearing is denoted by the letter “D” and is also measured in millimeters or inches. The outer diameter of shielded bearings can vary significantly, ranging from small sizes to several meters for large industrial applications.
The width or thickness of the bearing is denoted by the letter “B” and is again measured in millimeters or inches. The width of shielded bearings can vary depending on the design and application requirements.
Additionally, shielded bearings may have different series or designations that indicate specific dimensional and performance characteristics. Common series for shielded bearings include the 6000 series, 6200 series, 6300 series, and so on. Each series has its own range of sizes and load-carrying capacities.
It’s important to note that the availability of specific sizes may vary among manufacturers and suppliers. However, most manufacturers offer a wide range of standard sizes to meet common industry needs. They may also provide customized or specialized sizes based on customer requirements.
When selecting shielded bearings, it’s crucial to identify the appropriate size that matches the application’s load, speed, and operating conditions. Consult the manufacturer’s catalogs, technical specifications, or contact their representatives to determine the available sizes and choose the optimal bearing size for your specific application.
What is a shielded bearing?
A shielded bearing refers to a type of rolling bearing that incorporates shields to protect the internal components from contamination and retain lubrication. Here’s a detailed explanation of what a shielded bearing is:
A shielded bearing is a type of rolling bearing that consists of an inner ring, an outer ring, rolling elements (such as balls or rollers), and shields. The shields are typically made of metal, such as steel or stainless steel, and are designed to cover the rolling elements and the raceways of the bearing.
The primary purpose of the shields is to prevent solid contaminants, such as dust, dirt, or debris, from entering the bearing and causing damage to the internal components. By acting as a physical barrier, the shields reduce the risk of premature wear, corrosion, and failure of the bearing. They also help retain the lubricating grease or oil within the bearing, ensuring proper lubrication and reducing friction and heat generation.
Shielded bearings are commonly used in various applications and industries, including automotive, industrial machinery, appliances, and electric motors. They are suitable for environments where the risk of contamination is moderate and where regular maintenance and relubrication can be performed.
It’s important to note that shielded bearings provide a certain level of protection against solid contaminants but do not provide a complete seal. They are not intended for applications where liquid or heavy contamination is present. For more demanding applications or environments where higher levels of protection are required, sealed bearings or other specialized bearing arrangements may be necessary.
Shielded bearings are often designated with the suffix “Z” or “ZZ” in the bearing model or part number to indicate the presence of shields. For example, a shielded deep groove ball bearing may be labeled as “6204-Z” or “6204-ZZ” to signify that it has shields on one or both sides.
When installing or handling shielded bearings, it’s important to follow proper procedures and precautions to avoid damaging the shields or introducing contaminants. Regular inspection and maintenance, including periodic relubrication, are also essential to ensure the continued effectiveness of the shields and the optimal performance of the bearing.
Overall, shielded bearings offer a practical and cost-effective solution for protecting rolling bearings from solid contamination and maintaining adequate lubrication in various applications. The specific design, materials, and performance characteristics of shielded bearings may vary depending on the manufacturer and the type of bearing.
editor by CX 2024-04-03