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Water pump bearing in auto part
Water pump bearing in auto part
Water pump bearing in auto part

Water Pump Bearings

Water pump bearing in auto part

Description：

The water pump bearing in an auto part refers to the specific bearing used within the water pump assembly of a vehicle's engine cooling system. The water pump is responsible for circulating coolant throughout the engine to maintain good operating temperatures. The bearing in the water pump assembly supports the shaft that drives the impeller, which circulates the coolant. It needs to withstand the high temperatures and continuous rotation encountered in the engine compartment. Typically, these bearings are designed to be durable and resistant to wear, ensuring smooth operation of the water pump over the lifespan of the vehicle.

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Product Detail


JWB
NO		 NSK FAG A B C D D1 S1 D2 S2
WIB1938135A-OS - WK6531-3 5.31 1.18 2 0.7485 - - 0.629 1.9
WIB1938136-OS 885735-OS2 WK6534 5.34 1.26 1.96 0.7485 - - 0.6287 1.86
WIB1938137-OS 885737-OS WK6537-1B 5.37 1.43 1.82 0.7485 0.6267 0.49 0.6287 1.71
WIB1938137A-OS 885810-OS2 WK6538 5.38 1.45 1.81 0.7485 0.6287 1.3 0.6287 1.67
WIB1938137B-OS 885870-OS WK6538-2B 5.38 1.59 1.67 0.7485 0.6267 0.56 0.6287 1.55
WIB1938140-OS 885821-OS WK6550B 5.5 1.4 1.97 0.7485 0.6267 0.61 0.6287 1.88
WIB1938141-OS 885720-OS2 WK6553-2 5.54 1.56 1.85 0.7485 - - 0.6287 1.72
WIB1938142-OS 885719-OS2 WK6558 5.58 1.73 1.72 0.7485 - - 0.6287 1.61
WIB1938142A-OS 885815-OS2 WK6559-2 5.59 1.25 2.21 0.7485 - - 0.6287 2.04
WIB1938142B-OS 885851-OS2 WK6560 5.61 1.55 1.93 0.7485 0.6267 1.41 0.6287 1.79
WIB1938142C-OS - WK6560-2B 5.61 1.32 2.16 0.7485 0.6267 0.6 0.629 1.99
WIB1938143-OS 885815A-OS WK6564 5.64 1.4 2.11 0.7485 - - 0.6287 1.94
WIB1938144-OS - WK6564-6B 5.65 1.21 2.31 0.7485 0.6267 0.48 0.629 1.99
WIB1938146A-OS 885818-OS2 WK6574-2 5.74 1.76 1.86 0.7485 - - 0.6287 1.69
WIB1938146B-OS 885747-OS WK6575-1B 5.75 1.43 2.19 0.7485 0.6267 0.54 0.6287 2.02
WIB1938146-OS 885760-OS WK6575-4 5.75 1.43 2.19 0.7485 0.6287 1.25 0.6287 2.02
WIB1938149A-OS - WK6586 5.86 1.61 2.12 0.7485 0.629 1.39 0.629 1.95
WIB1938149-OS 885801-OS2 WK6587 5.87 2.1 1.64 0.7485 - - 0.6287 1.5
WIB1938151A-OS 885764-OS2 WK6592 5.93 1.38 2.42 0.7485 - - 0.6287 2.3
WIB1938151-OS - WK6596-1B 5.96 1.21 2.62 0.7485 0.6267 0.48 0.629 2.54
WIB1938152-OS 885775SC-OS WK6600B 6 1.4 2.47 0.7485 0.6267 0.6 0.6287 2.38
WIB1938153C-OS 8855865A-OS WK6602-2B 6.02 1.83 2.07 0.7485 0.6267 1.12 0.6287 1.69
WIB1938153B-OS 885857-OS WK6602B 6.02 2.11 1.78 0.7485 0.6267 1.12 0.6287 1.64
WIB1938153-OS 885807C-OS2 WK6604 6.04 1.8 2.11 0.7485 - - 0.6287 1.97
WIB1938154-OS - WK6607B 6.07 1.17 2.78 0.7485 0.6267 0.46 0.629 2.25
WIB1938156-OS 885746-OS2 WK6616-2 6.16 1.56 2.48 0.7485 - - 0.6287 2.36
WIB1938158A-OS - WK6622B 6.22 1.84 2.25 0.7485 0.6267 0.58 0.629 2.08
WIB1938158-OS - WK6623B 6.23 1.7 2.4 0.7485 0.6267 0.56 0.629 2.23
WIB1938161-OS 885796-OS WK6634-1 6.34 1.84 2.37 0.7485 0.6287 1.31 0.6287 2.2
WIB1938162-OS 885858-OS WK6637B 6.38 1.4 2.85 0.7485 0.6267 0.6 0.6287 2.76
WIB1938175-OS - WK6688 6.88 2.07 2.69 0.7485 0.629 0.56 0.629 2.57
WIB1938117 - WK2461 4.62 0.53 1.96 0.7465 - - 0.6267 1.86
WIB1938120 - WK2474-2 4.74 1.02 1.6 0.7465 - - 0.6267 1.5
WIB1938123 - WK2484-1 4.85 1.22 1.5 0.7465 0.6267 0.55 0.6267 1.3
WIB1938125 - WK2493 4.93 1 1.8 0.7465 - - 0.6267 1.65
WIB1938126 - WK2494-1 4.94 1.04 1.78 0.7465 0.6267 0.9 0.6267 1.6
WIB1938126A 885832 WK2495 4.95 1.21 1.61 0.7465 0.6267 1.08 0.6267 1.47
WIB1938127 - WK2500-2 5 1.23 1.64 0.7465 - - 0.6267 1.5
WIB1938127A 885875SC WK2500A 5 1.05 1.83 0.7465 0.6267 0.35 0.6267 1.72
WIB1938127B - WK2501 5.01 1.15 1.74 0.7465 - - 0.6267 1.58
WIB1938128 885869 WK2501-3 5.02 1.22 1.67 0.7465 0.6267 0.54 0.6267 1.55
WIB1938132 885852 WK2520 5.2 1.17 1.9 0.7465 0.6267 0.47 0.6267 1.7
WIB1938134B - WK2528-2 5.28 1.19 1.96 0.7465 - - 0.6267 1.86
WIB1938135 885781 WK2531 5.31 1.47 1.71 0.7465 - - 0.6267 1.61
WIB1938135A - WK2531-2 5.31 1.47 1.72 0.7465 0.6267 0.67 0.6267 1.62
WIB1938136 885735 WK2534 5.34 1.25 1.96 0.7485 - - 0.6267 1.86
WIB1938137 885737 WK2537-1 5.37 1.43 1.82 0.7485 0.6267 0.49 0.6267 1.71
WIB1938137A 885870 WK2538-2 5.38 1.59 1.67 0.7465 0.6267 0.56 0.6267 1.55
WIB1938140 885821 WK2550 5.5 1.4 1.97 0.7465 0.6267 0
.61		 - -
1.88 - - - - - - - - - -
WIB1938140A 885771 WK2553 5.53 1.29 2.11 0.7465 0.6267 0.54 0.6267 1.99
WIB1938142 - WK2559-2 5.59 1.25 2.21 0.7465 - - 0.6267 2.04
WIB1938142A 885851 WK2560 5.61 1.55 1.93 0.7485 0.6267 1.41 0.6267 1.79
WIB1938144 885862B WK2564-6 5.65 1.21 2.31 0.7485 0.6267 0.48 0.6267 1.99
WIB1938146A 885802B WK2575 5.75 1.75 1.88 0.7465 - - 0.6267 1.73
WIB1938146B 885747 WK2575-1 5.75 1.43 2.19 0.7465 0.6267 0.54 0.6267 1.99
WIB1938146 885760 WK2575-4 5.75 1.43 2.19 0.7465 0.6267 1.2 0.6267 2.02
WIB1938149A 885740 WK2586 5.86 1.62 2.12 0.7465 0.6267 1.39 0.6267 1.95
WIB1938149B 885801 WK2587 5.87 2.1 1.64 0.7465 - - 0.6267 1.5
WIB1938149 - WK2587-1 5.87 2.1 1.64 0.7465 - - 0.6267 1.5
WIB1938151 885764 WK2592 5.93 1.38 2.42 0.7465 - - 0.6267 2.3
WIB1938151A - WK2596 5.96 1.21 2.62 0.7465 0.6267 0.48 0.6267 2.11
WIB1938151B - WK2596-1 5.96 1.22 2.61 0.7465 0.6267 0.48 0.6267 2.18
WIB1938152 885844 WK2600 6 1.4 2.47 0.7465 0.6267 0.6 0.6267 2.38
WIB1938153C 885865A WK2602-2 6.02 1.82 2.07 0.7465 0.6267 1.12 0.6267 1.7
WIB1938153 885807C WK2604 6.04 1.8 2.11 0.7465 - - 0.6267 1.97
WIB1938154 885795SC WK2607A 6.07 1.17 2.78 0.7465 0.6267 0.35 0.6267 2.25
WIB1938157 885746 WK2616-2 6.17 1.56 2.48 0.7465 - - 0.6267 2.35
WIB1938158 - WK2623 6.23 1.7 2.4 0.7465 0.6267 0.56 0.6267 2.23
WIB1938161 - WK2634-1 6.34 1.84 2.37 0.7465 0.6267 1.31 0.6267 2.2
WIB1938162 885858 WK2637 6.38 1.4 2.85 0.7465 0.6267 0.6 0.6287 2.76
WIB1938120-OS - WK6474-2 4.74 1.02 1.6 0.7485 - - 0.629 1.54
WIB1938120A-OS - WK6474-2D 4.74 1.02 1.6 0.7485 - - 0.629 1.54
WIB1938123-OS - WK6484-1 4.85 1.22 1.5 0.7485 0.629 0.55 0.629 1.3
WIB1938125-OS - WK6493 4.93 1.24 1.8 0.7485 - - 0.629 1.65
WIB1938126A-OS 885832-OS2 WK6495 4.95 1.05 1.61 0.7485 0.6287 1.08 0.6287 1.47
WIB1938127-OS 885811-OS2 WK6500-2 5 1.22 1.64 0.7485 - - 0.6287 1.5
WIB1938127A-OS 885775SC-OS WK6500B 5 1.17 1.83 0.7485 0.6275 0.35 0.6295 1.72
WIB1938128-OS 885869-OS WK6501-3B 5.02 1.25 1.67 0.7485 0.6267 0.54 0.6287 1.55
WIB1938132-OS 885852-OS2 WK6520B 5.2 1.47 1.9 0.7485 0.6267 0.47 0.6287 1.7
WIB1938135B-OS - WK6530B 5.3 - 1.93 0.7485 0.629 0.28 0.629 1.74
WIB1938135-OS 885781-OS2 WK6531 5.31 - 1.71 0.7485 - - 0.6287 1.61

Water Pump Bearings

Auto water pump bearings

Auto water pump bearings
Water pump bearing in auto part

Water pump bearing in auto part
About us
Ningbo Demy (D&M) Bearings Co., Ltd.
Ningbo Demy (D&M) Bearings Co., Ltd.
Ningbo Demy (D&M) Bearings Co., Ltd. is professional China Water pump bearing in auto part Suppliers and Wholesale Water pump bearing in auto part Manufacturers.Located on the coast of Eastern China, in the beautiful and ancient city of Ningbo, is a rising star enterprise, Ningbo Demy (D&M) Bearings Co., LTD. Its subsidiary company – Ningbo Giant Bearing manufacturing Co., Ltd specializes in high class quality bearings for industrial and automotive applications.
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Water Pump Bearings Industry knowledge

What are the common symptoms of a failing water pump bearing in auto part?

The water pump bearing in auto part is a critical component in your vehicle's cooling system, and its failure can cause serious engine problems. Knowing the common symptoms of these failures can help you perform inspections and maintenance in a timely manner to prevent further damage.
One of the most obvious symptoms of a failing water pump bearing is a buzzing noise. A high-pitched humming, clicking, or creaking noise may occur as the balls or rollers inside the bearing wear or crack. The noise is usually most noticeable when the engine is running and becomes more noticeable as the engine speed increases.
When the water pump bearing is damaged, the seal may fail, causing coolant to leak from the water pump. Leaks usually appear as coolant dripping or wet spots around the water pump. If you notice that your vehicle's coolant level is constantly decreasing, you need to check your water pump for leaks.
A failed water pump bearing can cause the water pump to not work properly, which in turn prevents the coolant from circulating properly. The inability of the coolant to circulate effectively can cause the engine to overheat. Overheating problems are usually accompanied by an elevated coolant temperature gauge reading, reduced engine performance, and can even cause serious engine damage.
When the water pump bearing is worn or damaged, the efficiency of the water pump will be significantly reduced. This may manifest as the heater system no longer providing hot air because the coolant cannot circulate effectively through the heater core. In addition, the slowdown of the coolant flow rate will also affect the performance of the overall cooling system.
Severe water pump bearing failure may cause coolant to mix with the engine oil, which is usually caused by the failure of the internal seal of the water pump. Coolant mixed with the engine oil will cause the oil to emulsify, affecting the lubrication performance, and then damage the internal engine parts.
Wear on the water pump bearing will increase the tension of the water pump belt, causing the belt to slip or break. A broken belt will cause the water pump to stop working and the cooling system to fail completely, which will cause the engine to overheat.

What are the benefits of replacing the water pump bearing in auto part regularly?

Regularly replacing the water pump bearing is an important maintenance measure to ensure the normal operation of the vehicle's cooling system. Here are the main benefits of regularly replacing the water pump bearing:
Regularly replacing the water pump bearing can ensure that the water pump is always in the best working condition, thereby ensuring the effective circulation of the coolant. Good cooling system efficiency can avoid engine overheating and improve engine performance and fuel economy.
The engine's cooling system is essential to maintaining a proper operating temperature. By replacing the water pump bearing regularly and ensuring the normal operation of the cooling system, you can avoid wear and damage caused by engine overheating, thereby extending the service life of the engine.
A water pump bearing failure can cause serious problems in the cooling system and even cause engine damage. Regularly replacing the bearing can prevent these problems from occurring and reduce the high costs incurred due to emergency repairs and replacement of engine parts.
Regular maintenance and replacement of water pump bearings can improve the reliability of the vehicle and reduce unexpected stops or breakdowns caused by cooling system failures. A reliable cooling system can ensure that the vehicle can operate stably under various driving conditions.
A cooling system failure can cause the engine to overheat suddenly, which may cause safety hazards during driving. Regular replacement of water pump bearings can reduce this risk and ensure the safety of drivers and passengers.
A good cooling system not only protects the engine, but also ensures the normal operation of the heating system in the car. Regular replacement of water pump bearings can maintain the efficiency of the heating system and improve driving comfort.
Regular replacement of water pump bearings can reduce emission problems caused by coolant leakage and engine overheating. A well-maintained cooling system can reduce the negative impact of the vehicle on the environment and help protect the environment.
Regular maintenance, including replacement of water pump bearings, can extend the service life of the vehicle and increase its value in the used car market. Buyers are more willing to buy well-maintained vehicles, thereby increasing the resale price of the vehicle.

What are the manufacturing materials and processes of water pump bearing in auto part?

The manufacturing materials and processes of water pump bearings directly affect their performance and durability. The following are the materials and manufacturing processes commonly used for water pump bearing in auto part:
Manufacturing materials
High carbon steel
High carbon steel is one of the main materials for manufacturing water pump bearings. High carbon steel has excellent hardness and strength and can withstand high loads and high temperature environments. Through proper heat treatment processes, high carbon steel bearings can obtain good wear resistance and fatigue life.
Stainless steel
Stainless steel bearings excel in corrosion resistance and are suitable for harsh working environments. Stainless steel materials have good oxidation resistance and high temperature resistance, and can maintain stable performance in high temperature and humid environments.
Ceramic materials
Ceramic bearings have extremely high hardness and wear resistance and can withstand extreme high temperatures and corrosive environments. Although ceramic bearings are more expensive, their excellent performance makes them widely used in some high-end applications.
High temperature lubricants
High temperature lubricants are important materials to ensure the smooth operation of water pump bearings in high temperature environments. High-temperature lubricants have good thermal stability and anti-oxidation properties, can maintain lubrication effects at high temperatures, and reduce friction and wear.
Manufacturing process
Precision machining
The manufacture of water pump bearings requires precision machining processes to ensure the dimensional accuracy and surface finish of the bearings. Precision machining processes include turning, grinding, drilling, etc. to ensure the high precision and high quality of bearing components.
Heat treatment process
Heat treatment process is a key step in improving the performance of bearing materials. Through quenching and tempering treatment, the hardness and strength of the bearing can be improved, and its wear resistance and fatigue resistance can be enhanced. The heat treatment process requires strict control of temperature and time to ensure the optimal performance of the bearing material.
Surface treatment
The surface treatment process can improve the corrosion resistance and lubrication performance of the bearing. Common surface treatment methods include chrome plating, nickel plating, phosphating, etc. These treatment methods can form a protective layer on the bearing surface to enhance its wear resistance and corrosion resistance.
Assembly process
The assembly process of the bearing requires a high degree of precision and strict quality control. The assembly of the inner ring, outer ring, rolling element and cage of the bearing needs to be carried out in a dust-free environment to ensure the cleanliness and service life of the bearing. Automated assembly equipment can improve assembly accuracy and efficiency and reduce the impact of human factors on quality.
Quality inspection
Quality inspection is a key link to ensure the performance and reliability of water pump bearings. Inspection items include dimensional accuracy, hardness, surface finish, rolling element roundness, etc. High-precision inspection equipment and strict inspection standards can ensure that every bearing meets the design requirements.
In summary, the material selection and manufacturing process of water pump bearings have an important impact on their performance and durability. The application of high-carbon steel, stainless steel and ceramic materials, combined with precision machining, heat treatment, surface treatment and assembly processes, can produce high-quality water pump bearings to ensure their stable performance in high temperature and high load environments.