China Inch Series Bearing ER212 39 Insert Ball Bearing ER212-39 with snap locking rings with high quality

Sort: Pillow Block
Applicable Industries: Producing Plant, Machinery Mend Shops, Meals & Beverage Manufacturing facility, Front wheel hub bearing vehicle bearing Dac3055W-3 Farms, Construction works , Vitality & Mining
Product Amount: ER212-39
Precision Ranking: P6
Substance: Chrome Steel Rings+Si3N4 balls
Outer diameter: 80mm
Dimension: OEM Normal
Lubrication: Oil.grease.dry
Cage: Nylon Cage
Bodyweight: .38kg
Packaging Particulars: A: barreled package+box+outer cartonB: barreled package deal+outer carton

Inch Series Bearing ER212 39 Insert Ball Bearing ER212-39 with snap locking rings
A element of our products:

Photographs display

Related types and specifications

BearingShaftDimension(mm)/(in.)Weight
dDBCSabpGhds(kg)
(in.)(mm)
ER201 twelveforty seven3115.nine12.seventwo.381.07fifty two.7four.sevenfour.4M6X1.24
ER201-eight1/two forty seven31fifteen.ninetwelve.7two.38one.0752.7four.seven4.fourM6X1.24
ER202 15forty seven3115.912.72.381.0752.7four.sevenfour.fourM6X1.24
ER202-ten5/8 473115.912.7two.38one.07fifty two.7four.7four.fourone/4-28UNF.24
ER203 174731fifteen.ninetwelve.72.38one.0752.74.seven4.4M6X1.24
ER203-eleven11/sixteen 4731fifteen.nine12.seventwo.38one.0752.sevenfour.seven4.four1/4-28UNF.24
ER204-twelve3/4 473115.912.seven2.381.0752.7four.74.4one/4-28UNF.24
ER204 20forty seven3115.9twelve.seventwo.381.0752.74.7four.4M6X1.24
ER205-fourteenseven/8 523419fourteen.three2.38one.0757.9five.5four.5one/4-28UNF.27
ER205-1515/16 523419fourteen.3two.381.07fifty seven.ninefive.54.5one/4-28UNF.27
ER205 25fifty two3419fourteen.32.381.07fifty seven.9five.fivefour.fiveM6X1.27
ER205-sixteenone fifty two34.nine19fourteen.32.38one.0757.nine5.five4.5one/4-28UNF.27
ER206-18one-1/8 sixty two38.one22.215.nine3.181.sixty five67.75.5five.three1/4-28UNF.39
ER206 thirtysixty two38.one22.2fifteen.9three.181.65sixty seven.seven5.55.3M6X1.39
ER206-19one-3/sixteen 6238.one22.215.ninethree.181.sixty fivesixty seven.sevenfive.five5.threeone/4-28UNF.39
ER206-201-1/4 6238.one22.2fifteen.93.eighteenone.6567.75.fivefive.three1/4-28UNF.39
ER207-201-1/four 72forty two.923.8seventeen.five3.eighteenone.sixty fiveseventy eight.66.5five.eightfive/16-24UNF.sixty one
ER207-21one-5/16 7242.nine23.8seventeen.53.181.65seventy eight.66.5five.8five/sixteen-24UNF.sixty one
ER207-221-3/eight seventy two42.923.eight17.five3.eighteen1.sixty five78.6six.5five.85/sixteen-24UNF.61
ER207 35seventy two42.nine23.eight17.53.181.sixty five78.66.5five.8M8X1.sixty one
ER207-23one-7/16 seventy two42.nine23.817.5three.181.sixty fiveseventy eight.66.five5.eight5/sixteen-24UNF.61
ER208-241-1/2 eighty49.two27.eight193.eighteen1.6586.686.35/16-24UNF.eighty one
ER208-25one-9/16 eightyforty nine.two27.eight19three.18one.sixty five86.68six.threefive/sixteen-24UNF.81
ER208 40eightyforty nine.two27.eight193.eighteenone.sixty five86.686.3M8X1.eighty one
ER209-26one-5/eight eighty five49.two27.eight193.eighteenone.sixty fiveninety one.six87.55/sixteen-24UNF.nine
ER209-271-eleven/sixteen 8549.two27.8193.18one.65ninety one.sixeight7.five5/sixteen-24UNF.9
ER209-28one-3/4 8549.two27.eight19three.eighteen1.sixty fiveninety one.6eightseven.fivefive/16-24UNF.nine
ER209 45eighty fiveforty nine.two27.eight193.18one.sixty five91.687.fiveM8X1.9
ER210-thirty1-7/8 90fifty one.628.6193.182.41ninety six.596.8three/8-24UNF.ninety six
ER210-31one-15/16 ninetyfifty one.six28.six193.eighteen2.forty one96.fivenine6.eight3/8-24UNF.ninety six
ER210 fifty9051.628.six19three.eighteentwo.forty oneninety six.fiveninesix.eightM10X1.twenty five.ninety six
ER211-322 a hundredfifty five.6thirty.two22.twothree.eighteen2.forty one106.fivenineseven.63/8-24UNF1.41
ER211-34two-1/eight one hundred55.sixthirty.222.twothree.eighteen2.forty one106.59seven.sixthree/8-24UNF1.forty one
ER211 fifty fiveone hundredfifty five.630.two22.2three.182.41106.59seven.sixM10X1.251.41
ER211-35two-3/sixteen a hundred55.sixthirty.222.two3.eighteentwo.41106.59seven.sixthree/8-24UNF1.41
ER212-362-1/4 a hundred and ten65.one31.eight25.four3.eighteen2.forty one116.sixten.fiveeight.4three/8-24UNF1.ninety five
ER212 6011065.131.825.four3.182.41116.sixten.58.fourM10X1.twenty five1.95
ER212-382-3/8 110sixty five.131.8twenty five.43.182.41116.610.58.fourthree/8-24UNFone.ninety five
ER212-392/7-sixteen a hundred and ten65.one31.eight25.four3.182.41116.sixten.five8.43/8-24UNF1.ninety five
ER214-40two-1/two one hundred twenty fiveseventy four.six35thirty.twothree.962.77134.712nine7/16-20UNFtwo.fifty two
ER214-forty three2-11/sixteen a hundred twenty fiveseventy four.635thirty.2three.ninety six2.77134.7129seven/16-20UNF2.fifty two
ER214 70one hundred twenty five74.635thirty.twothree.ninety sixtwo.77134.7twelvenineM12X1.25two.fifty two
ER215-forty sixtwo-7/eight 130seventy seven.eight38.one33.33.962.77139.seventwelvenine.fiveseven/16-20UNFtwo.89
ER215-forty seventwo-15/sixteen a hundred thirtyseventy seven.eight38.133.three3.96two.77139.7twelvenine.fiveseven/16-20UNF2.89
ER215 seventy fiveone hundred thirty77.838.133.33.962.77139.seven12nine.fiveM12X1.twenty five2.89
Company Info

Trade Displays
Packaging & 34.0501B Multi-Goal spline pto shaft components for end mower with ce and iso pto shaft yoke elements Delivery
paymentA: 30% T/T in advance .70% towards duplicate of B/L
B.thirty% T/T in progress .70% from L/C at sight
C.Western union
D.Paypal
E:50% in advance,the equilibrium ought to be compensated following looking at the photo of total products.
F:Offical Lender Account
Our CompaniesWhy us
one.Higher velocity, High Precision, Bearing SF2812PX1 Excavator Walk Bearing 140x175x17.5mm Minimal Sound, Extended Services Life2.Extensive Array of Applications3.Huge Inventories4.Modest buy accept5.Aggressive Charges and High Quality6.Different Brands7.Demand tiny maintenance 8. OEM is supported 9. Our company insists on the “quality very first, higher good quality quickly delivery AC Servo Motor 8090 + AC servo driver + 5m motor cable + Planetary equipment motor credit score very first” organization tips and our item specification is well-established. We have a great reputation in the worldwide market place by our excellent provider and enough provide.
FAQ

How to Replace a Bearing

If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.

Z axis

When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with two M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the two parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.

Angular contact

bearing
Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in one direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to five times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.

Ball bearings

bearing
Ball bearings are circular structures with two separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right one for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between one and five million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least one million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.

Sliding-contact bearings

bearing
The basic principle behind sliding-contact bearings is that two surfaces move in contact with one another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, one element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their two surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in two different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the two elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.

China Inch Series Bearing ER212 39 Insert Ball Bearing ER212-39 with snap locking rings     with high qualityChina Inch Series Bearing ER212 39 Insert Ball Bearing ER212-39 with snap locking rings     with high quality
editor by czh 2023-02-19

Recent Posts