Product Description

KOYO CZPT CZPT CZPT 51100 51101 51102 51103 51104 51105 51106 51107 51108 51109 51110 51111 51112 51113 51114 51115 Thrust Ball Bearing

Description on Thrust Ball Bearings:

1. Description

Thrust ball bearing is a separate bearing, the contact ball is 90°, this kind of bearing is composed of inner ring, outer ring and retainer. Single-row thrust ball bearing can carry axial load from single direction.
 
Two-row thrust ball bearing can carry axial load from double direction. Thrust ball bearing with spherical rings has aligning performance, which can eliminate installation error.
 

Thrust ball bearings are produced as single direction or double direction thrust ball bearings. They are designed to accommodate axial loads only and must not be subjected to any radial load.

Thrust ball bearings are separable, i.e. the shaft washer, housing washer(s), ball and cage assembly(s) can be mounted separately. Shaft washers have a ground bore to enable an interference fit. The bore of the housing washer is turned and always larger than the shaft washer bore.

2. Structure

Single-row thrust ball bearing
Double-row thrust ball bearing
CHIK Single Direction Thrust Ball Bearings consist of 2 flat washers with raceways, balls and cage which are detachable. The washers have a flat seating surface therefore they have to be embedded so that all balls are equally loaded. Bearings only transfer axial loads in 1 direction.

3. Cage

Steel stamping cage, machine solide cage(brass) Thrust ball bearings have as standard pressed steel cage, where the material and application is not marked. Larger size bearings use massive brass cage to offer more robust solutions.

4. Features

CHIK thrust ball bearings are design to accommodate large axial load, however they must not be subjected to radial load. Most frequent bearings are single direction thrust ball bearings. During operation these bearings must be constantly subjected to a specific axial load. These bearings can be also combined with spherical rings to cope with small initial misalignments.
 

ISO Dimensions (mm) Basic Load Rating (N) Limitting speed ( r/min ) Weight
Lubrication
  d D B Dyn. C Stat. C0 Grease Oil
51100 10 24 9 10000 14000 7000 9500 0.02
51101 12 26 9 10400 15300 6700 9000 0.571
51102 15 28 9 10600 16600 6300 8500 0.571
51103 17 30 9 11400 19600 6300 8500 0.571
51104 20 35 10 12700 20800 5600 7500 0.038
51105 25 42 11 15900 29000 4800 6300 0.056
51106 30 47 11 16800 33500 4500 6000 0.063
51107 35 52 12 17400 37500 4300 5600 0.08
51108 40 60 13 23400 50000 3800 5000 0.12
51109 45 65 14 24200 57000 3400 4500 0.14
51110 50 70 14 25500 63000 3200 4300 0.16
51111 55 78 16 30700 78000 2800 3800 0.247
51112 60 85 17 36400 93000 2600 3600 0.33
51113 65 90 18 37100 98000 2400 3400 0.359
51114 70 95 18 37700 104000 2400 3400 0.385
51115 75 100 19 44200 137000 2200 3200 0.4
51116 80 105 19 44900 140000 2000 3000 0.42
51117 85 110 19 46200 150000 2000 3000 0.44
51118 90 120 22 59200 190000 1800 2600 0.67
51120 100 135 25 85200 270000 1700 2400 0.97
51122 110 145 25 87100 290000 1600 2200 1.05
51124 120 155 25 88400 310000 1600 2200 1.15
51126 130 170 30 111000 390000 1400 1900 1.85
51128 140 180 31 112000 400000 1300 1800 2.05
51130 150 190 31 112000 400000 1200 1700 2.2
51132 160 200 31 112000 425000 1200 1700 2.35
51134 170 215 34 133000 500000 1100 1600 3.3
51136 180 225 34 135000 530000 1000 1500 3.5
51138 190 240 37 172000 655000 950 1400 4.05
51140 200 250 37 174000 655000 950 1400 4.25
51144 220 270 37 178000 735000 900 1300 4.6
51148 240 300 45 234000 965000 800 1100 7.55
51152 260 320 45 238000 1571000 800 1100 8.1
51156 280 350 53 319000 1460000 700 950 12
51160 300 380 62 364000 1760000 630 850 17.5
51164 320 400 63 371000 1860000 600 800 19
51168 340 420 64 377000 1960000 600 800 20
51172 360 440 65 390000 2000000 560 750 21.8
51176 380 460 65 398000 2180000 550 750 22.75
51180 400 480 65 403000 2250000 520 720 24
ISO Dimensions (mm) Basic Load Rating (N) Limitting speed ( r/min ) Weight
Lubrication
  d D B Dyn. C Stat. C0 Grease Oil
51200 10 26 11 12700 17000 6000 8000 0.031
51201 12 28 11 13300 19000 6000 8000 0.034
51202 15 32 12 16500 25000 5300 7000 0.046
51203 17 35 12 17200 27500 5000 6700 0.053
51204 20 40 14 22500 37500 4500 6000 0.083
51205 25 47 15 25500 47500 4000 5300 0.11
51206 30 52 16 26700 50000 3600 4800 0.13
51207 35 62 18 35100 67000 3000 4000 0.22
51208 40 68 19 46800 98000 2800 3800 0.28
51209 45 73 20 39000 80000 2600 3600 0.3
51210 50 78 22 49400 106000 2400 3400 0.37
51211 55 90 25 61800 134000 1900 2800 0.59
51212 60 95 26 62400 140000 1900 2800 0.65
51213 65 100 27 63700 150000 1800 2600 0.78
51214 70 105 27 65000 160000 1800 2600 0.79
51215 75 110 27 67600 170000 1700 2400 0.83
51216 80 115 28 76100 190000 1700 2400 0.91
51217 85 125 31 97500 250000 1600 2200 1.2
51218 90 135 35 119000 300000 1500 2000 1.7
51220 100 150 38 124000 320000 1300 1800 2.2
51222 110 160 38 130000 360000 1200 1700 2.4
51224 120 170 39 140000 400000 1100 1600 2.65
51226 130 190 45 186000 540000 950 1400 4
51228 140 200 46 190000 570000 950 1400 4.35
51230 150 215 50 238000 735000 900 1300 6.1
51232 160 225 51 242000 780000 850 1200 6.55
51234 170 240 55 286000 930000 800 1100 8.15
51236 180 250 56 296000 1000000 800 1100 8.6
51238 190 270 62 332000 1160000 750 1000 11.7
51240 200 280 62 338000 1220000 750 1000 12
51244 220 300 63 351000 1320000 700 950 13
51248 240 300 45 462000 1980000 600 800 23
51252 260 360 79 470000 2100000 560 780 25.2
51256 280 380 80 492000 2320000 550 750 26.5

5. Application

Machine spindle, worktable of vertical lathe, auto steering mechanism, Fluid control valves
Machine tool tables and spindles
Oil and gas rotary tables
Screw Jacks

6. Product Details:

Structure: Thrust ball bearing
Precision level: P0-P6
Vibration: V1-V3
Seal type: U U/T
Number of row: Single row
Cage material: Brass, steel, nylon
Double pressed cage.
 
Bearing code: 29320
Type: Thrust Roller Bearing
Cage: Brass/Steel/Nylon
Material: Carbon steel/stainless steel/chrome steel
Standard: ISO9001
Precision: P6/P5/P4/P2/P0
Clearance: C3/C4
Noise: Low noise
Speed: High speed
Life: 2-3 years

7. Advantages:

(1) Fast delivery
(2)  Long working life
(3) Perfect compensation system
(4) Competitive price and high quality
(5) Different famous brand
(6) Flexible payment term
(7) Good and instant after market service
(8) Much experience of trade business
 
8.Our Company

As a comprehensive industrial enterprise that integrates R & D and sales services, with over 20 years’ experience, especially the guaranteed supplier of China Manufacturing Network, our factory covers an area of 10,000 square meters, which enables very quick delivery.
 
Owning the most advanced CNC automatic production line, automatic assembly line, and a varied of testing equipment, our bearings mainly cover NSK, NTN, KOYO,NACHI, THK etc., which meets  all  low  noise ,  low  vibration ,  low friction , high precision ,  high sealed,  high turning speed and long life requests.
 
9. FAQ
 
SAMPLES
1.Samples quantity: 1-10 pcs are available.
2.Free samples: It depends on the model NO., material and quantity. Some of the bearings samples need client to pay   samples charge and shipping cost.
3.It’s better to start your order with Trade Assurance to get full protection for your samples order.

CUSTOMIZED
The customized LOGO or drawing is acceptable for us.

MOQ
1.MOQ: 10 pcs mix different standard bearings.
2.MOQ:  5000 pcs customized your brand bearings.

OEM POLICY
1.We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield.
2.We can custom your packaging according to your design
3.All copyright own by clients and we promised don’t disclose any info.

SUPPORT
Please visit our 1Xihu (West Lake) Dis.in bearings website, we strongly encourage that you can communicate with us through email, thanks! 

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Precision: P0 P6
Clearance: C2 C0 C3 C4
Hardness: HRC60-62
Vibration: Zv1 Zv2 Zv3 Zv4
Exterior: 100% Check
Contact Angle: 25°
Customization:
Available

|

Customized Request

steel ball bearing

What is the role of cage design and materials in steel ball bearing performance and durability?

The cage design and materials used in steel ball bearings play a crucial role in determining their performance and durability. The cage, also known as the bearing retainer or separator, holds the steel balls in position and maintains the proper spacing between them. It prevents the balls from coming into contact with each other, which could lead to excessive friction, wear, and damage. Here’s an explanation of the role of cage design and materials in steel ball bearing performance and durability:

1. Ball Guidance and Positioning:

The primary function of the cage is to guide and position the steel balls within the bearing. The cage ensures that the balls are evenly distributed around the bearing raceways, maintaining proper alignment and preventing contact between adjacent balls. This guidance and positioning function is crucial for achieving smooth and efficient rolling motion, reducing friction, and optimizing the performance of the bearing.

2. Friction and Heat Reduction:

The cage design and materials can significantly impact the friction and heat generated during bearing operation. An efficient cage design allows for proper ball rotation while minimizing contact and sliding friction between the balls and the cage itself. This reduced friction helps to minimize energy loss and heat generation, improving the overall efficiency and durability of the bearing. Additionally, some cage materials have low thermal conductivity, which can further contribute to heat reduction and prevent overheating of the bearing.

3. Load Distribution:

The cage also plays a role in distributing the applied loads evenly among the steel balls. By maintaining the correct spacing between the balls, the cage helps to distribute the radial and axial loads across a larger contact area. This load distribution capability prevents localized stresses and reduces the risk of premature wear or failure of the bearing. A well-designed cage ensures that the bearing can handle higher loads and provides improved durability under demanding operating conditions.

4. Lubricant Retention:

The cage design can impact the retention and distribution of lubricant within the bearing. Proper lubrication is essential for reducing friction, preventing wear, and protecting against corrosion. The cage should allow for sufficient lubricant flow and retention, ensuring that the balls and raceways are adequately lubricated during operation. An effective cage design promotes the proper distribution and retention of lubricant, enhancing the overall performance and durability of the bearing.

5. Material Compatibility and Durability:

The choice of cage materials is critical for the durability and performance of steel ball bearings. The cage materials must be compatible with the bearing operating conditions, including factors such as speed, temperature, and exposure to corrosive environments. Common cage materials include steel, brass, bronze, synthetic resins, and polymers. Each material has its own advantages and limitations in terms of strength, wear resistance, corrosion resistance, and temperature resistance. The selection of the appropriate cage material ensures the long-term durability and reliable operation of the bearing under specific application requirements.

6. Noise and Vibration Control:

The cage design can also influence the level of noise and vibration generated by the bearing during operation. A well-designed cage can help reduce noise and vibration by maintaining ball stability, minimizing ball-to-cage and ball-to-raceway contact, and dampening oscillations. This noise and vibration control not only improves user comfort but also reduces the risk of damage to other components in the machinery or equipment.

7. Application-Specific Considerations:

In some cases, the cage design and materials may need to be tailored to specific application requirements. For example, in high-speed applications, cages with low mass and low centrifugal forces may be preferred to minimize the risk of cage deformation or imbalance. In environments with exposure to chemicals or extreme temperatures, cage materials with excellent chemical resistance or high-temperature stability may be necessary. Application-specific considerations ensure that the cage design and materials are optimized for the specific operating conditions, further enhancing bearing performance and durability.

In summary, the cage design and materials used in steel ball bearings play a vital role in their performance and durability. The cage provides ball guidance, reduces friction and heat, distributes loads, retains lubricant, and controls noise and vibration. The choice of cage materials must consider factors such as compatibility, durability, and application-specific requirements to ensure optimal bearing performance and long-term reliability.

steel ball bearing

What is the impact of proper lubrication and maintenance on the performance and lifespan of steel ball bearings?

Proper lubrication and maintenance have a significant impact on the performance and lifespan of steel ball bearings. Let’s explore the importance and benefits of lubrication and maintenance for steel ball bearings:

1. Reduced Friction and Wear:

Proper lubrication forms a thin film between the steel balls and the raceways of the bearing, reducing friction and minimizing wear. The lubricant acts as a protective barrier, preventing direct metal-to-metal contact and the resulting damage that can occur from excessive friction. Reduced friction and wear contribute to smoother operation, lower energy consumption, and extended lifespan of the bearing.

2. Heat Dissipation:

Lubrication helps dissipate heat generated during operation. As the steel balls roll within the bearing, heat is generated due to friction. The presence of a lubricating film helps to carry away heat from the bearing, preventing overheating and potential damage. Effective heat dissipation improves the overall performance and reliability of the bearing.

3. Contamination Protection:

Lubrication acts as a barrier against contaminants such as dust, dirt, moisture, and particles that could enter the bearing. The lubricant forms a protective layer that helps prevent the ingress of these contaminants, reducing the risk of damage and premature failure. Contamination protection is particularly crucial in harsh environments or applications where the bearing is exposed to external elements.

4. Corrosion Prevention:

Lubricants often contain additives that provide corrosion protection for steel ball bearings. These additives help to prevent corrosion and rust formation on the bearing surfaces, especially in applications where the bearing is exposed to moisture or corrosive substances. Corrosion prevention prolongs the lifespan of the bearing and maintains its performance even in corrosive environments.

5. Noise and Vibration Reduction:

Proper lubrication contributes to reducing noise and vibration in steel ball bearings. When the surfaces of the balls and raceways are well-lubricated, they can move smoothly and with minimal friction, reducing the generation of unwanted noise and vibrations. This is particularly important in applications where noise levels need to be controlled, such as precision machinery or sensitive equipment.

6. Maintenance and Inspection:

Regular maintenance and inspection of steel ball bearings allow for early detection of any potential issues or signs of wear. This includes monitoring lubrication levels, checking for contamination or damage, and ensuring proper alignment and mounting of the bearing. Timely maintenance and inspection help to identify and address problems before they escalate, preventing costly repairs, downtime, or bearing failure.

7. Extended Lifespan:

Proper lubrication and maintenance practices significantly extend the lifespan of steel ball bearings. By reducing friction, wear, and the risk of damage from contaminants or corrosion, lubrication and maintenance help to preserve the integrity and performance of the bearing over time. This leads to increased longevity, improved reliability, and reduced replacement costs.

In summary, proper lubrication and maintenance are crucial for optimizing the performance and lifespan of steel ball bearings. These practices reduce friction, prevent wear and damage, dissipate heat, protect against contamination and corrosion, minimize noise and vibration, and allow for early detection of issues. By implementing effective lubrication and maintenance strategies, equipment operators can ensure the reliable and efficient operation of machinery that relies on steel ball bearings.

steel ball bearing

Can you describe the load-carrying capacity and load ratings of steel ball bearings?

Load-carrying capacity and load ratings are important factors to consider when using steel ball bearings in mechanical systems. Let’s delve into these aspects in detail:

Load-Carrying Capacity:

Load-carrying capacity refers to the maximum amount of load that a bearing can support without experiencing excessive deformation or failure. Steel ball bearings are designed to handle both radial loads (perpendicular to the shaft) and axial loads (parallel to the shaft). The load-carrying capacity of steel ball bearings depends on various factors, including the size and number of balls, the quality of the steel used, and the design of the bearing.

Radial Load: Steel ball bearings can carry radial loads, which are forces acting perpendicular to the shaft. The load-carrying capacity for radial loads is influenced by factors such as the ball size, the number of balls, and the contact angle between the balls and the raceways. The distribution of the load across multiple balls and the ability of the balls to roll smoothly help in evenly distributing the load and preventing excessive stress on individual balls.

Axial Load: Steel ball bearings can also support axial loads, which are forces acting parallel to the shaft. Axial load-carrying capacity is determined by the design of the bearing, including factors such as the contact angle, ball size, and the presence of thrust-specific features like retainers or washers. Bearings specifically designed for axial loads, such as thrust ball bearings, are optimized to handle high axial loads while maintaining smooth motion.

Load Ratings:

Load ratings provide standardized values to help engineers and users select the appropriate bearing for a given application. The load ratings indicate the maximum loads that a bearing can carry under specific conditions without exceeding a certain level of deformation or fatigue life.

Dynamic Load Rating (C): The dynamic load rating represents the maximum radial load or axial load that a group of bearings can carry for a specified number of revolutions or operating hours, without premature failure due to fatigue. It is typically expressed in Newtons (N) or pounds-force (lbf). The dynamic load rating is important for applications with rotating or oscillating loads, as it helps determine the bearing’s suitability and expected service life under dynamic conditions.

Static Load Rating (Co): The static load rating indicates the maximum radial load or axial load that a bearing can withstand without permanent deformation. It is measured under stationary or non-rotating conditions and is typically higher than the dynamic load rating. The static load rating is crucial for applications with sustained or long-duration loads, where the bearing may experience prolonged stress without rotation.

Manufacturers provide load ratings for different types and sizes of steel ball bearings, enabling engineers to select the appropriate bearing based on the anticipated loads and operating conditions of the application.

In summary, the load-carrying capacity of steel ball bearings depends on their design and factors such as ball size, number of balls, and contact angles. Load ratings, including dynamic load ratings and static load ratings, provide standardized values to guide the selection of bearings based on their ability to support specific loads without premature failure or deformation.

China factory Wholesale High Quality Chrome Steel Ball Bearing 51205 Thrust Ball Bearing   ball bearingChina factory Wholesale High Quality Chrome Steel Ball Bearing 51205 Thrust Ball Bearing   ball bearing
editor by CX 2024-05-15

Steel Ball Bearings

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