Product Description

Product Name

51211 51212 51213 51214 51215

Material

Chrome Steel GCR15

Product Type

Thrust ball bearing

accuracy

P0 P2 P4 P5 P6

Customer quality assurance

Warranty for 1 year

application program

Crane hook, vertical water pump, vertical centrifuge, low speed reducer

Quality

100% Inspection

Brand

DJMC &OEM

Packing

According to the buyer requests for packaging

 

Bearing No. Boundary dimensions(mm) Load ratings(kN) Limiting speeds(r/min) Weight
d D T Ca Coa Grease Cor (kg)
51100 10 24 9 10 14 6500 1000 0.02
51200 10 26 11 12.7 17.1 5700 8800 0.03
51101 12 26 9 10.3 15.4 6500 10000 0.571
51201 12 28 11 13.2 19 5400 8300 0.034
51102 15 28 9 10.5 16.8 6100 9400 0.571
51202 15 32 12 16.6 24.8 4900 7500 0.046
51103 17 30 9 10.8 18.2 6100 9400 0.571
51203 17 25 12 17.2 27.3 4900 7500 0.053
51104 20 25 10 14.2 24.7 5100 7900 0.04
51204 20 40 14 22.3 37.7 3900 6000 0.082
51304 20 47 18 35 55.8 3600 4500 0.092
51105 25 42 11 19.5 37.2 4400 6800 0.059
51205 25 47 15 27.8 50.4 3600 5500 0.12
51305 25 52 18 35.7 61.4 3100 4800 0.18
51405 25 60 24 55.6 89.4 2600 4000 0.34
51106 30 47 11 20.4 42.2 4300 6600 0.068
51206 30 52 16 29.3 58.2 3400 5200 0.15
51306 30 60 21 42.8 78.7 2700 4200 0.27
51406 30 70 28 72.8 126 2200 3400 0.53
51107 35 52 12 20.4 44.7 3900 6000 0.09
51207 35 62 18 39.2 78.2 2900 4500 0.22
51307 35 68 24 55.5 105 2400 3700 0.39
51407 35 80 32 87.1 155 1900 2900 0.79
51108 40 60 13 26.9 62.8 3400 5300 0.12
51208 40 68 19 46.9 98.3 2700 4200 0.27
51308 40 78 26 69.3 135 2100 3300 0.55
51408 40 90 36 113 205 1700 2600 1.14
51109 45 65 14 27.8 69.1 3200 5000 0.15
51209 45 73 20 47.7 105 2600 4000 0.32
51309 45 85 28 80 163 1900 3000 0.69
51409 45 100 39 130 242 1500 2300 1.47
51110 50 70 14 28.8 75.4 3100 4800 0.16
51210 50 78 22 48.5 111 2300 3600 0.39
51310 50 95 31 91.6 186 1800 2700 1
51410 50 110 43 148 283 1400 2100 1.99
51111 55 78 16 34.8 93.1 2800 4300 0.24
51211 55 90 25 69.4 159 2100 3200 0.61
51311 55 105 35 119 246 1600 2400 1.34
51411 55 120 48 178 359 1200 1900 2.64
51112 60 85 17 41.4 113 2600 4000 0.29
51212 60 95 26 73.6 179 1900 3000 0.69
51312 60 110 35 124 267 1500 2300 1.43
51412 60 130 51 201 397 1100 1700 3.51
51113 65 90 18 41.7 117 2400 3700 0.34
51213 65 100 27 74.8 189 1900 2900 0.77
51313 65 155 36 128 287 1400 2200 1.57
51413 65 140 56 232 493 1000 1600 4.47
51114 70 95 18 43 127 2300 3600 0.36
51214 70 105 27 73.6 189 1800 2800 0.81
51314 70 125 40 148 339 1300 2000 2.06
51414 70 150 60 250 553 940 1450 5.48
51115 75 100 19 42.3 127 2200 3400 0.42
51215 75 110 27 7.74 209 1800 2700 0.86
51315 75 135 44 171 396 1200 1900 2.68
51415 775 160 65 252 560 880 1350 6.75
51116 80 105 19 44.6 141 2100 3300 0.43
51216 80 115 28 78.5 218 1700 2600 0.95
51316 80 140 44 176 242 1200 1800 2.82
51117 85 110 19 45.9 150 2100 3200 0.46
51217 85 125 31 92.3 251 1500 2300 1.29
51317 85 150 49 206 498 1100 1700 3.66
51118 90 120 22 59.7 190 1900 2900 0.68
51218 90 135 35 117 326 1400 2100 1.77
51318 90 155 50 213 524 1000 1600 3.88
51120 100 135 25 85 268 1600 2500 0.99
51220 100 150 38 147 410 1200 1900 2.36
51320 100 170 55 236 596 940 1450 5.11
51122 110 145 25 87.1 288 1600 2400 1.08
51222 110 160 38 148 431 1200 1800 2.57
51322 110 190 63 280 754 810 1250 7.72
51124 120 155 25 89 308 1500 2300 1.16
51224 120 170 39 154 472 1100 1700 2.86
51126 130 170 30 104 352 130 2000 1.87
51226 130 190 45 203 622 970 1500 4.09
51128 140 180 31 107 377 1200 1900 2.2
51228 140 200 46 215 669 940 1450 4.46
51130 150 190 31 109 402 1200 1900 2.15
51230 150 215 50 244 768 840 1300 5.64

51100 51101 51102 51103 51104 51105 51106 51107
51108 51109 51110 51111 51112 51113 51114 51115
51116 51117 51118 51120 51122 51124 51126 51128
51130 51132 51314 51316 51138 51140 51144 51148
51130M 51134M 51136M 51138M 51140M 51144M 51148M 51152M
51156M 51160M 51164M 51168M 51172M 51176M 51180M 51184M

51200 51201 51202 51203 51204 51205 51206 51207 
51208 51209 51210 51211 51212 51213 51214 51215
51216 51217 51218 51220 51222 51224 51226 51228 
51230 51232 51234 51236 51238 51240 51244 51248
51220M 51222M 51224M 51226M 51228M 51230M 51232M 51234M
52136M 51238M 51240M 51244M 51248M 51252M 51256M 51260M 
51264M 51268M 51272M

51304 51305 51306 51307 51308 51309 51310 51311
51312 51313 51314 51315 51316 51317 51318 51320 
51322 51324 51328 51330 51332 51334 51336 51340
51320M 51322M 51320M 51324M 51326M 51328M 51330M 51334M
51336M 51340M 51344M 51348M

51405 51406 51407 51408 51409 51410 51411 51412 51413
51414 51415 51416 51417 51418 51420 51422 51424 51426
51415M 51416M 51418M 51420M 51422M 51426M 51428M 51430M 51436M

Product Description

Products Application

 

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Packaging & Shipping

FAQ

1. Where is our factory? We are based in ZheJiang , China, We are an integrated enterprise of industry and trade start from 2008,sell to Domestic Market(40.00%),South America(10.00%),Eastern Europe(10.00%),North America(5.00%),Southeast Asia (5.00%), Africa(5.00%),Mid East(5.00%),Eastern Asia(5.00%) Central America(5.00%),Northern Europe(5.00%),South, Asia(5.00%). Our brand is DMC.2. How can we guarantee quality?
Before we mass-produce the goods. Provide the customer with a free sample list, sample confirmation is satisfied with the
customer, we according to the requirements of the customer mass production if the bearing goods received by the customer are not
satisfied, the product can be returned and replaced within a month.
3.What do you get from us?
We can provide all kinds of bearings OEM&ODM customiz
-ed service.
You will get an excellent supplier and excellent bearing price. We will help you revitalize your career and try our best to let customers earn more money.

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Customer Order Guarantee: Warranty 1 Year
Minimum Order Quantity: 1 Piece
Product Advantage: High Precision Compression Speed
Samples:
US$ 2/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

deep groove ball bearing

What are the signs of wear or damage in deep groove ball bearings, and when should they be replaced?

Deep groove ball bearings, like any mechanical component, can experience wear or damage over time. It is important to identify the signs of wear or damage in bearings and know when they should be replaced to prevent further issues. Here’s a detailed explanation of the signs of wear or damage in deep groove ball bearings and when they should be replaced:

  • Abnormal Noise:
  • Unusual noises, such as grinding, clicking, or rumbling sounds, can indicate bearing wear or damage. These noises may occur during operation and can be an indication of insufficient lubrication, misalignment, or the presence of foreign particles. If abnormal noise is detected, it is recommended to inspect the bearings promptly and replace them if necessary.

  • Excessive Vibration:
  • Excessive vibration during operation can be a sign of bearing wear or damage. Vibrations may occur due to misalignment, imbalance, or the presence of faulty bearings. If the vibration levels are unusually high and cannot be attributed to other factors, the bearings should be inspected and replaced if needed.

  • Increased Temperature:
  • Significantly increased operating temperature of the bearings can indicate wear or damage. Excessive friction caused by worn-out or misaligned bearings can generate excessive heat. If the temperature of the bearings exceeds the recommended operating limits, it is advisable to investigate the cause and replace the bearings as necessary.

  • Irregular or Uneven Operation:
  • Irregular or uneven operation of the equipment or machinery can be a symptom of bearing wear or damage. This may manifest as erratic or jerky movements, decreased performance, or decreased efficiency. If such irregularities are observed, the bearings should be inspected to determine if replacement is required.

  • Visible Wear or Damage:
  • Physical inspection of the bearings can reveal visible signs of wear or damage. These signs may include pitting, rust formation, scoring, or discoloration on the bearing surfaces. Excessive wear or damage that affects the smooth rolling motion or integrity of the bearings should prompt immediate replacement.

  • Lubrication Issues:
  • Problems with lubrication, such as inadequate or contaminated lubricant, can contribute to bearing wear or damage. Insufficient lubrication can lead to increased friction, heat generation, and accelerated wear. If lubrication-related issues persist despite proper maintenance, it may be necessary to replace the bearings.

  • Operating Conditions:
  • The operating conditions of the equipment or machinery can also influence the lifespan of deep groove ball bearings. Factors such as heavy loads, high speeds, extreme temperatures, exposure to corrosive environments, or prolonged use can accelerate wear or damage. In such demanding conditions, bearings may need to be replaced more frequently to ensure reliable operation.

It is important to note that the timing of bearing replacement depends on various factors, including the severity of wear or damage, the criticality of the application, and the manufacturer’s recommendations. Regular inspection and maintenance practices, as well as monitoring of the aforementioned signs, can help determine the appropriate timing for bearing replacement. Consulting with bearing manufacturers or maintenance professionals can provide valuable guidance in assessing the condition of deep groove ball bearings and making informed decisions regarding replacement.

In summary, signs of wear or damage in deep groove ball bearings include abnormal noise, excessive vibration, increased temperature, irregular or uneven operation, visible wear or damage, lubrication issues, and demanding operating conditions. Prompt replacement of bearings exhibiting these signs is essential to prevent further damage, avoid equipment failure, and ensure the continued smooth and reliable operation of machinery or equipment.

deep groove ball bearing

What factors should be considered when selecting a deep groove ball bearing for a specific application?

When selecting a deep groove ball bearing for a specific application, several factors need to be considered to ensure optimal performance and reliability. Here’s a detailed explanation of the factors that should be taken into account:

  • Load Requirements:
  • One of the primary considerations is the type and magnitude of the loads the bearing will be subjected to. Determine whether the application requires primarily radial loads, axial loads, or a combination of both. Consider the load capacity, both dynamic and static, of the bearing to ensure it can handle the expected loads without premature failure.

  • Speed and Rotational Requirements:
  • Consider the rotational speed requirements of the application. Deep groove ball bearings are suitable for high-speed applications, but factors such as bearing design, lubrication, and cage material can impact their maximum allowable speed. Determine the required speed and ensure the selected bearing is capable of operating within the desired rotational limits.

  • Size and Dimensions:
  • Consider the space limitations and the available shaft and housing dimensions. Select a deep groove ball bearing with the appropriate bore diameter, outside diameter, and width that can be accommodated within the given space. Ensure that the bearing’s dimensions meet the requirements of the specific application.

  • Operating Conditions:
  • Evaluate the operating conditions, including temperature, humidity, contamination levels, and presence of corrosive or abrasive substances. Choose a bearing with suitable sealing or shielding options to protect against environmental factors. Consider the temperature range and select a bearing with appropriate heat resistance and lubrication compatibility for reliable performance under the anticipated conditions.

  • Precision and Tolerance:
  • Determine the required level of precision and tolerance for the application. Deep groove ball bearings are available in various precision classes, ranging from general-purpose bearings to high-precision bearings for demanding applications. Consider the required dimensional accuracy, running accuracy, and stability to ensure the bearing meets the performance expectations.

  • Lubrication and Maintenance:
  • Consider the lubrication requirements and maintenance capabilities of the application. Different operating conditions may require specific lubrication methods such as grease or oil, and the bearing should be suitable for the chosen lubricant. Evaluate the maintenance requirements and select a bearing that aligns with the maintenance practices and resources available.

  • Cost and Availability:
  • Factor in the cost and availability of the deep groove ball bearing. Consider the budget constraints while ensuring the selected bearing meets the performance requirements. Check the availability of the bearing from reputable suppliers to ensure timely replacements or spares if needed.

In summary, when selecting a deep groove ball bearing for a specific application, it is crucial to consider factors such as load requirements, speed and rotational requirements, size and dimensions, operating conditions, precision and tolerance, lubrication and maintenance, as well as cost and availability. Evaluating these factors will help ensure the chosen bearing is suitable for the application and will deliver reliable performance and longevity.

deep groove ball bearing

How do deep groove ball bearings contribute to the efficient operation of household appliances?

Deep groove ball bearings play a crucial role in the efficient operation of household appliances. These bearings are widely used in various appliances, such as washing machines, refrigerators, dishwashers, vacuum cleaners, and many more. They provide several key benefits that contribute to the overall performance and efficiency of these appliances. Here’s a detailed explanation of how deep groove ball bearings contribute to the efficient operation of household appliances:

  • Smooth and Reliable Rotational Motion:
  • Deep groove ball bearings enable smooth and reliable rotational motion in household appliances. They are designed to accommodate both radial and axial loads, allowing appliances to operate with minimal friction and reduced power consumption. The low friction characteristics of deep groove ball bearings ensure efficient energy transfer and minimize heat generation during operation. This results in smoother and quieter performance, enhancing the overall efficiency of the appliances.

  • High-Speed Capability:
  • Deep groove ball bearings are capable of operating at high speeds, making them suitable for appliances that require rapid rotational motion. Whether it’s the spinning drum of a washing machine or the motor of a vacuum cleaner, deep groove ball bearings can withstand the demands of high-speed applications. Their optimized design, precision manufacturing, and use of high-quality materials allow for reliable and efficient operation at elevated rotational speeds.

  • Compact and Lightweight:
  • Deep groove ball bearings are known for their compact and lightweight design. This is particularly advantageous in household appliances where space is often limited. The small size and low weight of deep groove ball bearings help to reduce the overall size and weight of appliances, making them more compact, portable, and easier to handle. By minimizing the weight and size of the bearing components, appliances can achieve better energy efficiency and improved maneuverability.

  • Durability and Longevity:
  • Deep groove ball bearings are engineered to deliver exceptional durability and longevity. They are designed to withstand the demands of continuous use in household appliances. The use of high-quality materials, advanced manufacturing processes, and precision engineering ensure that deep groove ball bearings can withstand varying operating conditions, including temperature fluctuations, vibrations, and heavy loads. Their robust construction and resistance to wear and tear contribute to the longevity of household appliances, reducing the need for frequent repairs or replacements.

  • Cost-Effectiveness:
  • Deep groove ball bearings offer a cost-effective solution for household appliances. They provide reliable performance and require minimal maintenance, resulting in lower operating costs. The durability and longevity of deep groove ball bearings minimize the need for frequent replacements, reducing downtime and repair expenses. Additionally, their widespread availability and standardized dimensions make them easily accessible and affordable, contributing to the cost-effectiveness of household appliances.

In conclusion, deep groove ball bearings are essential components that contribute to the efficient operation of household appliances. Their ability to provide smooth and reliable rotational motion, high-speed capability, compactness, durability, and cost-effectiveness make them ideal for various appliance applications. By incorporating deep groove ball bearings into household appliances, manufacturers can enhance performance, energy efficiency, and overall user experience.

China Hot selling Thrust/Spherical/Cylindrical/Tapered/Metric Vibrating Screen Bearing/Angular/Deep Groove Ball/Pillow Block/MB/Ek/Ca/Insert/Hub/Auto/Needle Taper Roller Bearing   wholesalerChina Hot selling Thrust/Spherical/Cylindrical/Tapered/Metric Vibrating Screen Bearing/Angular/Deep Groove Ball/Pillow Block/MB/Ek/Ca/Insert/Hub/Auto/Needle Taper Roller Bearing   wholesaler
editor by CX 2024-02-26