China Japan NSK Deep Groove Ball Bearing 6208 6209 6210 6211 6212 DDU Zz C3 Rolling Bearing 1688 double row ball bearing

Product Description

Japan CZPT deep groove ball bearing 6212 DDU ZZ C3 rolling bearing 1688
 

– Single row and double row
– Open and sealed types
– Chrome steel, ceramic or hybrid materials
– Polyamide, steel, and brass cage assemblies
– 6000 series:604.605.606.607.608.609.6000.6001.6002.6003.6004.6005.6006.6007.6008.6009.6571.6011.6012
– 6200 series: 624.625.626.627.628.629.6200.6201.6202.6203.6204.6205.6206.6207.6208.6209.6210.6211.6212
– 6300 series:634.635.636.637.638.639.6300.6301.6302.6303.6304.6305.6306.6307.6308.6309.6310.6311.6312
– 6400 series:6403.6404.6405.6406.6407.6408.6409.6410.6411.6412.6413.6414.6415.6416.6417.6418.6419.6420
– 6700 series:673.674.675.676.677.678.679.6700.6701.6702.6703.6704.6705
– 6800 series:685.686.687.688.689.6800.6801.6802.6803.6804.6805.6806.6807.6808.6809.6810.6811.6812
– 6900 series:695.696.697.698.699.6900.6901.6902.6903.6904.6905.6906.6907.6908.6909.6910.6911.6912
– 16000 series:16001.16002.16003.16004.16005.16006.16007.16008.16009.16571.16011.16012.16013.16014

 

 Cross-reference of Deep Groove Ball Bearings

Description Interchange
NSK Deep Groove Ball Bearings SKFbearing  Deep Groove Ball Bearings NTN Deep Groove Ball Bearings
Part Number Inch R00 R00 R00 R00
Extra small 600 600 600 600
Extra Light 6000 6000 6000 6000
Light 6200 6200 6200 6200
Medium 6300 6300 6300 6300
Extra thin section 6800 61800 61800 6800
Very thin section 6900 61900 61900 6900
Thin section 16000 16000 16000
Maximum capacity, light BL200 200 200 BL200
Maximum capacity, medium BL300 300 300 BL300
Cartridge type 63300 63300
63200 63200
Part Number Suffix Two seals (non contact) VV 2RZ LLB
Two seals (contact) DDU 2RS1 2RSR LLU
One seal (contact) DU RS1 RSR LU
Two shields ZZ 2Z 2ZR ZZ
One shield Z Z ZR Z
Snap ring NR NR NR NR
Steel cage blank J blank blank
Brass cage M M M L1
Heat stabilized 200C 28 S1 S1 PREFIx TS3
Tight clearance C2 C2 C2 C2
Normal clearance blank blank blank blank
Loose clearance C3 C3 C3 C3
Extra loose clearance C4 C4 C4 C4
Electric motor grade E QE6

Products Details

Linear bearings, manufactured at low cost, are used in limitless journeys or used to work in columns. As the loading ball contacts the shaft at a certain point, the bearing application loading capacity is quite small. With balls rotating with quite small friction resistance, high-precise level movement can be obtained. Linear bearings are widely used in precise equipment such as electronic equipment, pull measuring machines, materialization 3-D measuring equipment, etc; and slip parts of industrial machines such as multi-shaft machines, punching machines, tool grinders, auto steam cutting machines, printers, card selection machine, food packing machine and so on.

Bearing Number Bearing Number Mass (g)
604 604 ZZ 2.1
605 605 ZZ 3.5
606 606 ZZ 5.8
607 607 ZZ 7.6
608 608 ZZ 12
609 609 ZZ 15
623 623 ZZ 1.6
624 624 ZZ 2.9
625 625 ZZ 5
626 626 ZZ 8.1
627 627 ZZ 13
628 628 ZZ 18
629 629 ZZ 20
633 633 ZZ 3
634 634ZZ 5.3
635 635 ZZ 8.5
636 636 ZZ 13
637 637 ZZ 24
638 638 ZZ 29
639 639 ZZ 35

6000 DDU 6200 DDU 6300 DDU 6400 DDU
6001 DDU 6201 DDU 6301 DDU 6401 DDU
6002 DDU 6202 DDU 6302 DDU 6402 DDU
6003 DDU 6203 DDU 6303 DDU 6403 DDU
6004 DDU 6204 DDU 6304 DDU 6404 DDU
6005 DDU 6205 DDU 6305 DDU 6405 DDU
6006 DDU 6206 DDU 6306 DDU 6406 DDU
6007 DDU 6207 DDU 6307 DDU 6407 DDU
6008 DDU 6208 DDU 6308 DDU 6408 DDU
6009 DDU 6209 DDU 6309 DDU 6409 DDU
6571 DDU 6210 DDU 6310 DDU 6410 DDU
6011 DDU 6211 DDU 6311 DDU 6411 DDU
6012 DDU 6212 DDU 6312 DDU 6412 DDU
6013 DDU 6213 DDU 6313 DDU 6413 DDU
6014 DDU 6214 DDU 6314 DDU 6414 DDU
6015 DDU 6215 DDU 6315 DDU 6415 DDU
6016 DDU 6216 DDU 6316 DDU 6416 DDU
6017 DDU 6217 DDU 6317 DDU 6417 DDU
6018 DDU 6218 DDU 6318 DDU 6418 DDU
6019 DDU 6219 DDU 6319 DDU 6419 DDU
6571 DDU 6220 DDU 6320 DDU 6420 DDU

 

6000 ZZ 6200 ZZ 6300 ZZ 6400 ZZ
6001 ZZ 6201 ZZ 6301 ZZ 6401 ZZ
6002 ZZ 6202 ZZ 6302 ZZ 6402 ZZ
6003 ZZ 6203 ZZ 6303 ZZ 6403 ZZ
6004 ZZ 6204 ZZ 6304 ZZ 6404 ZZ
6005 ZZ 6205 ZZ 6305 ZZ 6405 ZZ
6006 ZZ 6206 ZZ 6306 ZZ 6406 ZZ
6007 ZZ 6207 ZZ 6307 ZZ 6407 ZZ
6008 ZZ 6208 ZZ 6308 ZZ 6408 ZZ
6009 ZZ 6209 ZZ 6309 ZZ 6409 ZZ
6571 ZZ 6210 ZZ 6310 ZZ 6410 ZZ
6011 ZZ 6211 ZZ 6311 ZZ 6411 ZZ
6012 ZZ 6212 ZZ 6312 ZZ 6412 ZZ
6013 ZZ 6213 ZZ 6313 ZZ 6413 ZZ
6014 ZZ 6214 ZZ 6314 ZZ 6414 ZZ
6015 ZZ 6215 ZZ 6315 ZZ 6415 ZZ
6016 ZZ 6216 ZZ 6316 ZZ 6416 ZZ
6017 ZZ 6217 ZZ 6317 ZZ 6417 ZZ
6018 ZZ 6218 ZZ 6318 ZZ 6418 ZZ
6019 ZZ 6219 ZZ 6319 ZZ 6419 ZZ
6571 ZZ 6220 ZZ 6320 ZZ 6420 ZZ

 

Detailed Photos

 

Our Advantages

Company Advantages

1. FREE SAMPLES: contact us by email or trade manager, and we will send the free samples according to your request.
2. World-Class Bearing: We provide our customers with all types of bearing with world-class quality.
3. OEM or Non-Stand Bearings: Any requirement for Non-standard bearings is Easily Fulfilled by us due to our vast knowledge and links in the industry.
4. Genuine products With Excellent Quality: Company has always proved the 100% quality products it provides with genuine intent.
5. After Sales Service and Technical Assistance: Company provides after-sales service and technical assistance as per the customer’s requirements and needs.
6. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.
7. Cost Saving: We provide long-life, shock-resistant, and high-reliability bearings with excellent quality and better performance. Resulting in increased cost savings.
8. Attending customer queries promptly: We believe that if customers is satisfied then it proves our worth well. Customers are always given quick support.

Packaging & Shipping

 

Packaging
 1)Commercial Bearings packaging: 1pc/plastic bag + color box + carton + pallet
 2)Industrial Bearings packaging 
 3)According to the requirement of customers’
 Payment
 1) T/T:30% deposit, 70% should be paid before shipment.
 2) L/C at sight. (high bank charge, not suggest, but acceptable )
 3) 100% Western Union in advance. (especially for air shipment or small amount)
 Delivery
 1) Less than 45 KGS, we will send by express. ( Door to Door, Convenient )
 2) Between 45 – 200 KGS, we will send by air transport. ( Fastest and safest, but expensive )
 3) More than 200 KGS, we will send by sea. ( Cheapest, but long time )

 

 

 

 

More Products

We can provide more versions of Ball Bearings

Company Profile

HangZhou HOJE Bearing Co.,LTD Specializing in the manufacture and sales of bearings and bearing accessories, we mainly produce deep groove ball bearings, spherical bearings with seats, tapered roller bearings, and related components. Our factory has the most advanced equipment, first-class mechanical professional and technical personnel, and one-stop automatic production from bearing raw materials to finished products. We are willing to provide excellent services for factories that produce industrial equipment, vehicles, electromechanical tools, home appliances, instrumentation, fitness equipment, leisure sports equipment, users of various types of mechanical equipment and civil machinery, and domestic and foreign traders and distributors.

 

 

US $0.1-10
/ Piece
|
1 Piece

(Min. Order)

###

Contact Angle:
Aligning: Non-Aligning Bearing
Separated: Separated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel

###

Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Description Interchange
NSK Deep Groove Ball Bearings SKFbearing  Deep Groove Ball Bearings NTN Deep Groove Ball Bearings
Part Number Inch R00 R00 R00 R00
Extra small 600 600 600 600
Extra Light 6000 6000 6000 6000
Light 6200 6200 6200 6200
Medium 6300 6300 6300 6300
Extra thin section 6800 61800 61800 6800
Very thin section 6900 61900 61900 6900
Thin section 16000 16000 16000
Maximum capacity, light BL200 200 200 BL200
Maximum capacity, medium BL300 300 300 BL300
Cartridge type 63300 63300
63200 63200
Part Number Suffix Two seals (non contact) VV 2RZ LLB
Two seals (contact) DDU 2RS1 2RSR LLU
One seal (contact) DU RS1 RSR LU
Two shields ZZ 2Z 2ZR ZZ
One shield Z Z ZR Z
Snap ring NR NR NR NR
Steel cage blank J blank blank
Brass cage M M M L1
Heat stabilized 200C 28 S1 S1 PREFIx TS3
Tight clearance C2 C2 C2 C2
Normal clearance blank blank blank blank
Loose clearance C3 C3 C3 C3
Extra loose clearance C4 C4 C4 C4
Electric motor grade E QE6

###

Bearing Number Bearing Number Mass (g)
604 604 ZZ 2.1
605 605 ZZ 3.5
606 606 ZZ 5.8
607 607 ZZ 7.6
608 608 ZZ 12
609 609 ZZ 15
623 623 ZZ 1.6
624 624 ZZ 2.9
625 625 ZZ 5
626 626 ZZ 8.1
627 627 ZZ 13
628 628 ZZ 18
629 629 ZZ 20
633 633 ZZ 3
634 634ZZ 5.3
635 635 ZZ 8.5
636 636 ZZ 13
637 637 ZZ 24
638 638 ZZ 29
639 639 ZZ 35

###

6000 DDU 6200 DDU 6300 DDU 6400 DDU
6001 DDU 6201 DDU 6301 DDU 6401 DDU
6002 DDU 6202 DDU 6302 DDU 6402 DDU
6003 DDU 6203 DDU 6303 DDU 6403 DDU
6004 DDU 6204 DDU 6304 DDU 6404 DDU
6005 DDU 6205 DDU 6305 DDU 6405 DDU
6006 DDU 6206 DDU 6306 DDU 6406 DDU
6007 DDU 6207 DDU 6307 DDU 6407 DDU
6008 DDU 6208 DDU 6308 DDU 6408 DDU
6009 DDU 6209 DDU 6309 DDU 6409 DDU
6010 DDU 6210 DDU 6310 DDU 6410 DDU
6011 DDU 6211 DDU 6311 DDU 6411 DDU
6012 DDU 6212 DDU 6312 DDU 6412 DDU
6013 DDU 6213 DDU 6313 DDU 6413 DDU
6014 DDU 6214 DDU 6314 DDU 6414 DDU
6015 DDU 6215 DDU 6315 DDU 6415 DDU
6016 DDU 6216 DDU 6316 DDU 6416 DDU
6017 DDU 6217 DDU 6317 DDU 6417 DDU
6018 DDU 6218 DDU 6318 DDU 6418 DDU
6019 DDU 6219 DDU 6319 DDU 6419 DDU
6020 DDU 6220 DDU 6320 DDU 6420 DDU

###

6000 ZZ 6200 ZZ 6300 ZZ 6400 ZZ
6001 ZZ 6201 ZZ 6301 ZZ 6401 ZZ
6002 ZZ 6202 ZZ 6302 ZZ 6402 ZZ
6003 ZZ 6203 ZZ 6303 ZZ 6403 ZZ
6004 ZZ 6204 ZZ 6304 ZZ 6404 ZZ
6005 ZZ 6205 ZZ 6305 ZZ 6405 ZZ
6006 ZZ 6206 ZZ 6306 ZZ 6406 ZZ
6007 ZZ 6207 ZZ 6307 ZZ 6407 ZZ
6008 ZZ 6208 ZZ 6308 ZZ 6408 ZZ
6009 ZZ 6209 ZZ 6309 ZZ 6409 ZZ
6010 ZZ 6210 ZZ 6310 ZZ 6410 ZZ
6011 ZZ 6211 ZZ 6311 ZZ 6411 ZZ
6012 ZZ 6212 ZZ 6312 ZZ 6412 ZZ
6013 ZZ 6213 ZZ 6313 ZZ 6413 ZZ
6014 ZZ 6214 ZZ 6314 ZZ 6414 ZZ
6015 ZZ 6215 ZZ 6315 ZZ 6415 ZZ
6016 ZZ 6216 ZZ 6316 ZZ 6416 ZZ
6017 ZZ 6217 ZZ 6317 ZZ 6417 ZZ
6018 ZZ 6218 ZZ 6318 ZZ 6418 ZZ
6019 ZZ 6219 ZZ 6319 ZZ 6419 ZZ
6020 ZZ 6220 ZZ 6320 ZZ 6420 ZZ

###

Packaging
 1)Commercial Bearings packaging: 1pc/plastic bag + color box + carton + pallet
 2)Industrial Bearings packaging 
 3)According to the requirement of customers’
 Payment
 1) T/T:30% deposit, 70% should be paid before shipment.
 2) L/C at sight. (high bank charge, not suggest, but acceptable )
 3) 100% Western Union in advance. (especially for air shipment or small amount)
 Delivery
 1) Less than 45 KGS, we will send by express. ( Door to Door, Convenient )
 2) Between 45 – 200 KGS, we will send by air transport. ( Fastest and safest, but expensive )
 3) More than 200 KGS, we will send by sea. ( Cheapest, but long time )
US $0.1-10
/ Piece
|
1 Piece

(Min. Order)

###

Contact Angle:
Aligning: Non-Aligning Bearing
Separated: Separated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel

###

Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Description Interchange
NSK Deep Groove Ball Bearings SKFbearing  Deep Groove Ball Bearings NTN Deep Groove Ball Bearings
Part Number Inch R00 R00 R00 R00
Extra small 600 600 600 600
Extra Light 6000 6000 6000 6000
Light 6200 6200 6200 6200
Medium 6300 6300 6300 6300
Extra thin section 6800 61800 61800 6800
Very thin section 6900 61900 61900 6900
Thin section 16000 16000 16000
Maximum capacity, light BL200 200 200 BL200
Maximum capacity, medium BL300 300 300 BL300
Cartridge type 63300 63300
63200 63200
Part Number Suffix Two seals (non contact) VV 2RZ LLB
Two seals (contact) DDU 2RS1 2RSR LLU
One seal (contact) DU RS1 RSR LU
Two shields ZZ 2Z 2ZR ZZ
One shield Z Z ZR Z
Snap ring NR NR NR NR
Steel cage blank J blank blank
Brass cage M M M L1
Heat stabilized 200C 28 S1 S1 PREFIx TS3
Tight clearance C2 C2 C2 C2
Normal clearance blank blank blank blank
Loose clearance C3 C3 C3 C3
Extra loose clearance C4 C4 C4 C4
Electric motor grade E QE6

###

Bearing Number Bearing Number Mass (g)
604 604 ZZ 2.1
605 605 ZZ 3.5
606 606 ZZ 5.8
607 607 ZZ 7.6
608 608 ZZ 12
609 609 ZZ 15
623 623 ZZ 1.6
624 624 ZZ 2.9
625 625 ZZ 5
626 626 ZZ 8.1
627 627 ZZ 13
628 628 ZZ 18
629 629 ZZ 20
633 633 ZZ 3
634 634ZZ 5.3
635 635 ZZ 8.5
636 636 ZZ 13
637 637 ZZ 24
638 638 ZZ 29
639 639 ZZ 35

###

6000 DDU 6200 DDU 6300 DDU 6400 DDU
6001 DDU 6201 DDU 6301 DDU 6401 DDU
6002 DDU 6202 DDU 6302 DDU 6402 DDU
6003 DDU 6203 DDU 6303 DDU 6403 DDU
6004 DDU 6204 DDU 6304 DDU 6404 DDU
6005 DDU 6205 DDU 6305 DDU 6405 DDU
6006 DDU 6206 DDU 6306 DDU 6406 DDU
6007 DDU 6207 DDU 6307 DDU 6407 DDU
6008 DDU 6208 DDU 6308 DDU 6408 DDU
6009 DDU 6209 DDU 6309 DDU 6409 DDU
6010 DDU 6210 DDU 6310 DDU 6410 DDU
6011 DDU 6211 DDU 6311 DDU 6411 DDU
6012 DDU 6212 DDU 6312 DDU 6412 DDU
6013 DDU 6213 DDU 6313 DDU 6413 DDU
6014 DDU 6214 DDU 6314 DDU 6414 DDU
6015 DDU 6215 DDU 6315 DDU 6415 DDU
6016 DDU 6216 DDU 6316 DDU 6416 DDU
6017 DDU 6217 DDU 6317 DDU 6417 DDU
6018 DDU 6218 DDU 6318 DDU 6418 DDU
6019 DDU 6219 DDU 6319 DDU 6419 DDU
6020 DDU 6220 DDU 6320 DDU 6420 DDU

###

6000 ZZ 6200 ZZ 6300 ZZ 6400 ZZ
6001 ZZ 6201 ZZ 6301 ZZ 6401 ZZ
6002 ZZ 6202 ZZ 6302 ZZ 6402 ZZ
6003 ZZ 6203 ZZ 6303 ZZ 6403 ZZ
6004 ZZ 6204 ZZ 6304 ZZ 6404 ZZ
6005 ZZ 6205 ZZ 6305 ZZ 6405 ZZ
6006 ZZ 6206 ZZ 6306 ZZ 6406 ZZ
6007 ZZ 6207 ZZ 6307 ZZ 6407 ZZ
6008 ZZ 6208 ZZ 6308 ZZ 6408 ZZ
6009 ZZ 6209 ZZ 6309 ZZ 6409 ZZ
6010 ZZ 6210 ZZ 6310 ZZ 6410 ZZ
6011 ZZ 6211 ZZ 6311 ZZ 6411 ZZ
6012 ZZ 6212 ZZ 6312 ZZ 6412 ZZ
6013 ZZ 6213 ZZ 6313 ZZ 6413 ZZ
6014 ZZ 6214 ZZ 6314 ZZ 6414 ZZ
6015 ZZ 6215 ZZ 6315 ZZ 6415 ZZ
6016 ZZ 6216 ZZ 6316 ZZ 6416 ZZ
6017 ZZ 6217 ZZ 6317 ZZ 6417 ZZ
6018 ZZ 6218 ZZ 6318 ZZ 6418 ZZ
6019 ZZ 6219 ZZ 6319 ZZ 6419 ZZ
6020 ZZ 6220 ZZ 6320 ZZ 6420 ZZ

###

Packaging
 1)Commercial Bearings packaging: 1pc/plastic bag + color box + carton + pallet
 2)Industrial Bearings packaging 
 3)According to the requirement of customers’
 Payment
 1) T/T:30% deposit, 70% should be paid before shipment.
 2) L/C at sight. (high bank charge, not suggest, but acceptable )
 3) 100% Western Union in advance. (especially for air shipment or small amount)
 Delivery
 1) Less than 45 KGS, we will send by express. ( Door to Door, Convenient )
 2) Between 45 – 200 KGS, we will send by air transport. ( Fastest and safest, but expensive )
 3) More than 200 KGS, we will send by sea. ( Cheapest, but long time )

Understanding the Different Types of Bearings

When you are looking for a bearing, you have many options to choose from. This article will explain the various types, functions, and working principles of different types of bearings. Once you understand the basic components, you can make an informed decision about which one to buy. Here’s an overview of some of the most common types. Learn more about each type below! Read on to learn about the differences between these different types of bearings! Posted in Articles

Functions

bearing
Bearings serve as an integral part of a mechanical device. These devices help transfer torque from one part of a structure to another. These mechanisms increase the efficiency of a shaft by increasing its life. However, the functions of bearings depend on the application of the structure. Among other functions, bearings provide support to shafts. Anti-friction bearings come in two types: ball and roller bearings. These components have line and point contact, which is the most common type. Archimedes’s principle states that the force is equal to the weight of the fluid that is being displaced. Bearings can transfer lateral loads to a substructure.
A bearing has two primary functions. The first is to prevent direct metal-to-metal contact. A bearing prevents friction, heat generation, and wear and tear of components. A bearing also reduces energy consumption. Its other purpose is to guide and support a rotating body. In addition to these functions, bearings can also reduce wear and tear on a machine. As a result, they are among the most widely used machines in the world.
Seals are a major component of a bearing. They prevent foreign materials from entering and lubricating the moving parts. The design of seal lips determines their effectiveness. Fuel economy regulations and CO2 emissions regulations are pushing the demand for low-friction bearings. However, high-performance seals do not always provide high-performance. As a result, current estimations of the friction in bearings depend on trial and error methods.
Another important function of bearings is that they transfer the load of a rotating component to its housing. This load can be axial or radial. Bearings also limit movement to predefined directions. Some types of rolling element bearings have balls or cylinders inside. These bearings are less frictional than sliding ones, thus they allow parts to move freely during rotation. These parts can then be used for various applications. So, bearings are an integral part of machines.

Types

The most common type of bearing is a plain bearing. It uses surfaces in rubbing contact to transmit movement from one part to another. These bearings may be discrete or may consist of a hole in a metal sleeve or a planar surface bearing another part. Some plain bearings are flanged, while others are made of a sleeve with a flange at one end. These bearings often give acceptable accuracy and life, but they are expensive and cannot be used in large scale applications.
Radial bearings are used when there is a need for high-speed or corrosive parts. This type of bearing also serves as a support in an intermediate situation. Its two components are called the base and the cover. The base and cover are connected and are arranged parallel to the main axis. This type of bearing is used in steady-state and axial motion applications. The radial bearings are also used when the shafts are long.
Angular contact bearings are another type of bearing. These are easy to install and require minimal maintenance. Their races are displaced along the axis. They are also better at handling axial loads and transferring them to the housing. These types of bearings are commonly used in pumps, automobiles, and high-speed applications. If you are looking for an affordable, reliable bearing, look no further than the angular contact bearing.
Another type of bearing is a self-lubricating bushing. These are lightweight and wear-resistant. Unlike the other types of bearing, they do not require any lubrication or maintenance. In fact, some are completely maintenance-free. But if you’re worried about maintenance, this type of bearing may be a good choice. There are many benefits of using self-lubricating bushings. It is also a good option for applications where your machine is exposed to extreme temperatures.

Working principle

bearing
A bearing has two primary functions: support and load transfer. In engineering applications, the bearing tends to push the load in the direction of the shaft. A radial load pushes the bearing downward and a thrust load pushes it sideways. Both types of load transfer are important in a variety of applications. The working principle of each type is described below. Listed below are the main uses for each type of bearing.
A plain bearing uses a PTFE liner on the interface of two moving parts. The PTFE liner acts as a lubricant and may be filtered to alter its friction. The journal bearing uses the motion of the journal to force fluid into the gap between two moving parts. This results in a small amount of play in the bearing. This play is acceptable for most applications. A ball bearing may have a maximum play of 2 mm for a ten-millimeter shaft.
The primary function of a bearing is to assist in rotation and to reduce mechanical friction between the two objects. A bearing may be installed as a separate device or as an integral part of a machine. For more complex applications, bearings are very precise components requiring the highest standards of technology. For this reason, it is important to understand the working principle of bearings. The next time you need to lift or slide a heavy object, consider a bearing.
Ball bearings are a common type of ball bearing and can be found in industrial machinery and automobiles. Their unique structure helps them support less weight. This is because they are comprised of two rings – an inner race and an outer race. The balls themselves have a small area of contact and transfer axial loads in one direction. A cage surrounds the balls and prevents them from colliding. This makes ball bearings a popular choice for many applications.

Sealing system

A bearing’s seals are vital for the operation of rolling and rotating components. These systems enable rotation and linear movement while limiting friction and dispersing stress. Without the proper seals, these components could face catastrophic failure. In addition to protecting the bearing from external forces, seals help retain lubricant inside the system and prevent harmful particles from entering the gap. A seal’s lubrication helps prevent the onset of mechanical damage and prolongs the life of the bearing.
A bearing seal is made up of two parts: the inner sealing element and the outer sealing element. A passageway runs through the bearing assembly to the outer seal element. A hydraulic press or pneumatic jack is recommended for installing the seal. These tools are effective in reducing deformation and improving seal installation quality. When fitting the seal, ensure that the tool does not hit the seal directly. A proper adopter will distribute the load uniformly across the seal.
The seal’s efficiency depends on its gap. A four-inch shaft seal can flow 0.5 standard cubic feet per minute. A seal’s efficiency is highly dependent on the gap size. The gap size is a cube of the flow through the system. A smaller gap size allows high flow and pressure but less leakage. If both surfaces of the seal have similar pressures and flow rates, the seal is efficient. However, a small gap reduces the pressures and reduces wear.
Mechanical seals have numerous advantages, including their ability to protect against contaminants and splashing liquids. Labyrinth seals are the first line of defense against leaks. They operate without friction. Their high level of sealing efficiency helps ensure that the bearing remains operational for long. This type of seal is made from metal plates and is designed for a wide temperature range and misalignment. Its advantages include being easy to install and offering 100% sealing efficiency.

Maintenance

bearing
Bearing maintenance is critical to ensuring that your bearings keep operating at their peak performance. Proper maintenance will improve bearing life, reduce downtime and increase productivity while reducing costs. Here is an 8-point checklist to optimize your bearings and make them last longer. To optimize their performance, you should follow these steps regularly. In case a bearing does not last long, you should replace it as soon as possible. Listed below are some tips to ensure proper maintenance.
The first step is to determine how often your bearings require lubrication. Some manufacturers recommend that you lubricate them weekly, but this can do more harm than good. Instead, use ultrasound to measure the level of friction and trend its levels. This way, you will know exactly when to grease your bearings. It’s also important to check how often they should be inspected and calibrated. A professional can provide guidance on proper maintenance.
Next, inspect your bearings for cracks and scratches. You should never install a bearing that has been dropped or scratched. Even a small crack will affect the performance of the bearing and could lead to its premature failure. A proper alignment is essential for the bearing to function properly. Make sure you have the correct tools to perform this task. These tools can help you reduce manual work and promote safe bearing maintenance. You should also ensure that the shaft and housing are clean and undamaged.
Proper maintenance can prolong bearing service life. Proper lubrication, mounting, inspection, basic condition monitoring, and dismounting can extend their life. Proper maintenance extends their lifespan and improves plant productivity. While bearings are essential for machinery, you should make sure you follow the proper safety procedures every time you work with them. These tips will also help prevent accidents and maintain your machine’s efficiency. Once you’ve followed these guidelines, you can safely inspect your bearings and ensure that they’re operating at their optimum capacity.

China Japan NSK Deep Groove Ball Bearing 6208 6209 6210 6211 6212 DDU Zz C3 Rolling Bearing 1688     double row ball bearingChina Japan NSK Deep Groove Ball Bearing 6208 6209 6210 6211 6212 DDU Zz C3 Rolling Bearing 1688     double row ball bearing
editor by czh 2022-11-26