China Best Sales Miniature Bearing 608zz 608 2RS Deep Groove Ball Bearing with Bearing Size 8X22X7mm carrier bearing

Product Description

 

Product Description

 

Deep Groove Ball bearing 608

Main Dimensions & Performance Data

d

25 mm

Bore diameter
D

37 mm

Outside diameter
B

7 mm

Width
Cr

10.600 N

Basic dynamic load rating, radial
C0r

5.000 N

Basic static load rating, radial
Cur

340 N

Fatigue load limit, radial
nG

15.300 1/min

Limiting speed
≈m

0,571 kg

Weight

Mounting dimensions

da min

23,2 mm

Minimum diameter shaft shoulder
Da max

38,8 mm

Maximum diameter of housing shoulder
ra max

0,6 mm

Maximum fillet radius

Dimensions

rmin

0,6 mm

Minimum chamfer dimension
D1

35,45 mm

Shoulder diameter outer ring
D2

37,38 mm

Caliber diameter outer ring
d1

26,55 mm

Shoulder diameter inner ring
d2

25,38 mm

Caliber diameter inner ring

Temperature range

Tmin

-20 °C

Operating temperature min.
Tmax

100 °C

Operating temperature max.

Calculation factors

f0

13,8

Calculation factor

 

Key Features

2RS bearing and ZZ bearing are Precision Metric Ball Bearing manufactured with both sides rubber sealed and shield and is pre-lubricated with Grease allowing it to be ready for use upon delivery. It is a Chrome Steel Metric Ball Bearing that can withstand both moderate radial and axial loads while providing high performance. Our 6000 Series Extra Light Duty Ball Bearings are available either Open, Metal Shielded, or with Rubber Sealed Closures and are pre-lubricated with grease or light oil.

Applications / Industries

Metric Ball Bearings are used in a range of applications and are ideal for limited space applications including Robotics, Vacuum Cleaners, Small Spindles, Dental Drills, Surgical Saws, Cordless Drills, Band Saws, Impact Wrenches, among others.

 

     

    REBBER COVER SEAL
    It can prevent the intrusion of any foreign matter and has a strong dust-proof effect. It is recommended for use in harsh environments.

    IRON COVER SEAL
    Compared with rubber seals, the speed is higher and the dust-proof effect is good. It is recommended when there is dust and no liquid impurities.

    OPEN WITHOUT SEAL
    The rotation speed is higher than the other 2 types, and the rolling resistance is low.

     

    Deep groove ball bearing

    Single row deep groove ball bearings are particularly versatile, have low friction and are optimized for low noise and low vibration, which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount, and require less maintenance than many other bearing types.

    • Simple, versatile and robust design
    • Low friction
    • High-speed capability
    • Accommodate radial and axial loads in both directions
    • Require little maintenance

    More series of deep groove ball bearing
    Tip: Here are only part of the model numbers. Please contact us for full catalog.
     

      Deep Groove Ball Bearing Catalog
    Number Specification Rated Load(KN) Speed(r/min) Weight
      D(mm) D(mm) W(mm) Cr(N) Cor(N) Grease Oil kg
    6000 10 26 8 4.55 1.96 20000 28000 0.019
    6001 12 28 8 5.1 2.39 19000 26000 0.571
    6002 15 32 9 5.6 2.84 18000 24000 0.03
    6003 17 35 10 6.8 3.35 17000 22000 0.039
    6004 20 42 12 9.4 5.05 15000 19000 0.069
    6005 25 47 12 10.1 5.85 13000 17000 0.08
    6006 30 55 13 13.2 8.3 12000 15000 0.116
    6007 35 62 14 16 10.3 10000 13000 0.155
    6008 40 68 15 16.8 11.5 8000 11000 0.185
    6009 45 75 16 21 15.1 7200 9000 0.231
    6571 50 80 16 21.8 16.6 6400 7800 0.25
    6011 55 90 18 28.3 21.2 5700 7000 0.362
    6012 60 95 18 29.5 23.2 5300 6300 0.385
    6013 65 100 18 30.5 25.2 5040 6000 0.421
    6014 70 110 20 38 31 4800 5600 0.604
    6015 75 115 20 39.5 33.5 4480 5360 0.604
    6016 80 125 22 47.5 40 4240 5040 0.854
    6017 85 130 22 49.5 43 4000 4800 0.89
    6018 90 140 24 58 49.5 3840 4480 1.02
    6019 95 145 24 60.5 54 3600 4240 1.08
    6571 100 150 24 60 54 3440 4000 1.15
    6571 105 160 26 72.5 65.5 3200 3840 1.59
    6571 110 170 28 82 73 3040 3600 1.96
    6571 120 180 28 85 79.5 2720 3200 2.07
    6026 130 200 33 106 101 2560 3040 3.16
    6571 140 210 33 110 109 2400 2880 3.35
    6030 150 225 35 126 126 2080 2560 4.08
    6032 160 240 38 143 144 1920 2400 5.05

    6200 10 30 9 4.056 1.888 19200 24000 0.032
    6201 12 32 10 5.512 2.48 17600 22400 0.037
    6202 15 35 11 6.24 3 15200 19200 0.045
    6203 17 40 12 7.648 3.8 13600 16000 0.065
    6204 20 47 14 10.16 5.24 12000 14400 0.11
    6205 25 52 15 11.2 6.24 9600 12000 0.13
    6206 30 62 16 15.6 8.96 8000 10400 0.2
    6207 35 72 17 20.4 12.24 7200 8800 0.29
    6208 40 8 18 24.56 15.2 6800 8000 0.37
    6209 45 85 19 26.56 17.28 6000 7200 0.41
    6210 50 90 20 28.08 18.56 5600 6800 0.46
    6211 55 100 21 34.88 23.2 5040 6000 0.61
    6212 60 110 22 38 26 4800 5600 0.78
    6213 65 120 23 44.72 32.4 4240 5040 0.99
    6214 70 125 24 48.4 36 4000 4800 1.05
    6215 75 130 25 53.04 39.2 4480 5360 1.2
    6216 80 140 26 56.16 44 3600 4240 1.4
    6217 85 150 28 66.56 51.2 3440 4000 1.8
    6218 90 160 30 76.48 58.8 3040 3600 2.15
    6219 95 170 32 86.4 65.2 2880 3440 2.6
    6220 100 180 34 99.2 74.4 2720 3200 3.15
    6221 105 190 36 106.4 83.2 2560 3040 3.7
    6222 110 200 38 114.4 94.4 2400 2880 4.35
    6224 120 215 40 116.8 94.4 2240 2720 5.15
    6226 130 230 40 124.8 105.6 2080 2560 5.8
    6228 140 250 42 132 120 1920 2400 7.45
    6230 150 270 45 139.2 132.8 1600 2080 9.4
    6232 160 290 48 148.8 148.8 1520 1920 14.5
    6234 170 310 52 169.6 179.2 1520 1920 17.5
    6236 180 320 52 183.2 192 1440 1760 18.5
    6238 190 340 55 204 224 1360 1600 23
    6240 200 360 58 216 248 1360 1600 28
    6244 220 400 65 236.8 292 1200 1440 37
    6248 240 440 72 286.4 380 1040 1280 51
    6252 260 480 80 312 424 880 1120 65.5
    6256 280 500 80 338.4 480 880 1120 71

    6300 10 35 11 6.448 2.72 16000 20800 0.053
    6301 12 37 12 7.8 3.32 15200 19200 0.06
    6302 15 42 13 9.12 4.32 13600 16000 0.082
    6303 17 47 14 10.8 5.24 12800 15200 0.12
    6304 20 52 15 12.72 6.24 10400 12800 0.14
    6305 25 62 17 18 9.28 8800 11200 0.23
    6306 30 72 19 22.48 12.8 7200 8800 0.35
    6307 35 80 21 26.56 15.2 6800 8000 0.46
    6308 40 90 23 32.8 19.2 6000 7200 0.63
    6309 45 100 25 42.16 25.2 53600 6400 0.83
    6310 50 110 27 49.44 30.4 5040 6000 1.05
    6311 55 120 29 57.2 36 4480 5360 1.35
    6312 60 130 31 65.52 41.6 4000 4800 1.7
    6313 65 140 33 73.84 48 3840 4480 2.1
    6314 70 150 35 83.2 54.4 3600 4240 2.5
    6315 75 160 37 91.2 61.2 3440 4000 3
    6316 80 170 39 99.2 69.2 3040 3600 3.6
    6317 85 180 41 106.4 77.2 2880 3440 4.25
    6318 90 190 43 114.4 86.4 2720 3200 4.9
    6319 95 200 45 122.4 94.4 2560 3040 5.65
    6320 100 215 47 139.2 112 2400 2880 7
    6321 105 225 49 145.6 122.4 2240 2720 8.25
    6322 110 240 50 162.4 144 2080 2560 9.55
    6324 120 260 55 166.4 148.8 1920 2400 14.5
    6326 130 280 58 183.2 172.8 1760 2240 18
    6328 140 300 62 200.8 196 1600 2080 22
    6330 150 320 65 220.8 228 1520 1920 26
    6332 160 340 68 220.8 228 1440 1760 29
    6334 170 360 72 249.6 272 1360 1600 34.5
    6336 180 380 75 280.8 324 1280 1600 42.5
    6338 190 400 78 296.8 344 1280 1520 49
    6340 200 420 80 301.6 372 1200 1440 55.5
    6344 220 460 88 328 416 1040 1280 72.5

     

    Packaging & Shipping

    Please contact us for more pictures of different packing.

    Universal Packing

    Without any logo on bearings or packing.

    JDZ Packing

    With our brand JDZ on bearings and packing.

    Customized Packing

    Depends on buyer’s requirements.

    Original Brand Packing

    Bearing and packing are both original. Please contact us for pictures.

     

     

    QUALITY ASSURANCE

    100% Quality inspection to ensure the bearings are with good quality before shipping. 

    Company Profile

     

     

    ZheJiang CZPT Precision Bearing Co.,Ltd. was founded by ZheJiang Defa Bearing Co.,Ltd, factory is located in ZheJiang province, China. 
    We are a bearing manufacturer integrating the research, development and sales of bearings, with a floor area of 18,000 square meters and a plant area of 8,800 square meters. Equipped with modern production equipment and advanced detection instruments. 

    We can provide all types bearings and OEM service according to customers’ requirements. 

    Our products are widely used in the automobile, agricultural, textile production, mining, printing and packing industries, in addition to various applications at airports, in air-conditioning systems, conveying devices, ships ad so on. Our products are being exported to more than 50 countries and regions overseas including Singapore, Thailand, Iran, Turkey, Poland, Italy, England, France, Russia, Germany, the United States, Australia, Argentina, Brazil as well as other countries and regions all over the world.

    We are a trusted and reliable bearing supplier, choose us to be your good partner!

    Quality Inspection

     

     

    Our Advantages

    1.  Professional production team with advanced production equipment and testing instruments. 
    2.  Many years of export experience can provide customers with better service and problem-solving capabilities.
    3.  Customers all over the world enable us to better understand the market and provide customers with suitable bearings.
    4.  Sincerity, cooperation, mutual and provide good quality bearings for clients are the development idea of our company
    5.  Quick delivery, shipping goods on time. Save more time and cost for all customers. 

     

    FAQ

    1. Q: Are you trading company or manufacturer ?
       A: We have our own factory , our type is factory + trade.

    2. Q: Could you accept OEM and customize?
        A: Yes, we can customize products according to your sample or drawing.

    3. Q: How long is your delivery time? 
        A: If stock, within 7 days to ship or based on your order quantity.

    4. Q: Could you supply sample for free? 
        A: Yes, we can offer the sample for free,do you mind to buy a “ticket” for her?

    More details, please contact with us. Thanks for your time!

      /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

    Bearing Type: Deep Groove Ball Bearing
    Precision Rating: P0 P6 P5 P4 P2 or ABEC1 ABEC3 ABEC5 ABEC7 ABEC9
    Bearing Clearance: C0/C3/C4
    Vibration: Z1V1, Z2V2, Z3V3; Z4V4
    Seals Type: Zz 2RS Open
    Hardness: 58-62 HRC
    Samples:
    US$ 0/Piece
    1 Piece(Min.Order)

    |
    Request Sample

    Customization:
    Available

    |

    Customized Request

    ball bearing

    What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?

    Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:

    • Unusual Noise:

    If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.

    • Vibration:

    Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.

    • Increased Temperature:

    Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.

    • Irregular Movement:

    If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.

    • Reduced Performance:

    If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.

    • Visible Wear or Damage:

    Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.

    • Leakage or Contamination:

    If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.

    • Looseness or Excessive Play:

    If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.

    • Reduced Lifespan:

    If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.

    • Frequent Failures:

    If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.

    It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

    ball bearing

    How do Temperature and Environmental Conditions Affect the Performance of Ball Bearings?

    Temperature and environmental conditions have a significant impact on the performance and longevity of ball bearings. The operating environment can influence factors such as lubrication effectiveness, material properties, and overall bearing behavior. Here’s how temperature and environmental conditions affect ball bearing performance:

    • Lubrication:

    Temperature variations can affect the viscosity and flow characteristics of lubricants. Extreme temperatures can cause lubricants to become too thin or too thick, leading to inadequate lubrication and increased friction. In high-temperature environments, lubricants can degrade, reducing their effectiveness.

    • Material Properties:

    Temperature changes can alter the material properties of the bearing components. High temperatures can lead to thermal expansion, affecting bearing clearances and potentially causing interference between components. Extreme cold temperatures can make materials more brittle and prone to fracture.

    • Clearance Changes:

    Temperature fluctuations can cause changes in the internal clearance of ball bearings. For instance, at high temperatures, materials expand, leading to increased clearance. This can affect bearing performance, load distribution, and overall stability.

    • Corrosion and Contamination:

    Harsh environmental conditions, such as exposure to moisture, chemicals, or abrasive particles, can lead to corrosion and contamination of bearing components. Corrosion weakens the material, while contamination accelerates wear and reduces bearing life.

    • Thermal Stress:

    Rapid temperature changes can result in thermal stress within the bearing components. Differential expansion and contraction between the inner and outer rings can lead to stress and distortion, affecting precision and bearing integrity.

    • Noise and Vibration:

    Temperature-related changes in material properties and internal clearances can influence noise and vibration levels. Extreme temperatures can lead to increased noise generation and vibration, affecting the overall operation of machinery.

    • Lubricant Degradation:

    Environmental factors like humidity, dust, and contaminants can lead to premature lubricant degradation. Oxidation, moisture absorption, and the presence of foreign particles can compromise the lubricant’s performance and contribute to increased friction and wear.

    • Seal Effectiveness:

    Seals and shields that protect bearings from contaminants can be affected by temperature fluctuations. Extreme temperatures can lead to seal hardening, cracking, or deformation, compromising their effectiveness in preventing contamination.

    • Choosing Appropriate Bearings:

    When selecting ball bearings for specific applications, engineers must consider the expected temperature and environmental conditions. High-temperature bearings, bearings with specialized coatings, and those with enhanced sealing mechanisms may be necessary to ensure reliable performance.

    Overall, understanding the impact of temperature and environmental conditions on ball bearing performance is crucial for proper bearing selection, maintenance, and ensuring optimal operation in diverse industries and applications.

    ball bearing

    Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

    Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

    • Deep Groove Ball Bearings:

    Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.

    • Angular Contact Ball Bearings:

    Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.

    • Self-Aligning Ball Bearings:

    Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.

    • Thrust Ball Bearings:

    Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.

    • Single-Row vs. Double-Row Bearings:

    Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.

    • Miniature and Instrument Ball Bearings:

    Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.

    • Max-Type and Conrad Bearings:

    Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

    • High-Precision Ball Bearings:

    High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

    • High-Speed Ball Bearings:

    High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

    In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.

    China Best Sales Miniature Bearing 608zz 608 2RS Deep Groove Ball Bearing with Bearing Size 8X22X7mm   carrier bearingChina Best Sales Miniature Bearing 608zz 608 2RS Deep Groove Ball Bearing with Bearing Size 8X22X7mm   carrier bearing
    editor by CX 2024-05-14