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Top Self Aligning Bearing Reviews

Let us review some of the top self aligning bearings that we provide to our customers.

1204 open bearing

1204 Open Bearing – Self Aligning Ball Bearing Double Row

Reference number: 1204, L204, 1204TV, 1204SA, 1204G14, 1204TN, 1204E

ID: 20mm

OD: 47mm

Width: 14mm

Weight: 116g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/13,000 RPM,  Open oil /15,000RPM


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2204-2rs bearing

2204-2RS Self Aligning Ball Bearing 20x47x18 Sealed

Reference number: 2204EEG15, 2204-2RS-TV, 2204RS, 2204.2RSR, 2204-2NSE, 2204DDU

ID: 20mm

OD: 47mm

Width: 18mm

Weight: 140g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/12,000 RPM,  Open oil /14,000RPM


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1304 self aligning ball bearing

1304 Self Aligning Ball Bearing

Reference number: 1304, l304, 1304TV, 1304SA, 1304G14

ID: 20mm

OD: 52mm

Width: 15mm

Weight: 160g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/11,000 RPM,  Open oil /13,000RPM


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2206-2rs self aligning ball bearing

2206-2RS Self Aligning Ball Bearing with Rubber Sealed

Reference  number: 2206EEG15, 2206-2RS-TV, 2206RS, 2206.2RS1, 2206RS, 2206-2NSL, 2206DDU, 2206LLU, 2206LLB, 2206-2NSL

ID: 30mm

OD: 62mm

Width: 20mm

Weight: 256g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/8,600 RPM,  Open oil /11,000RPM


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2304-2rs self aligning ball bearing

2304-2RS Self Aligning Ball Bearing 20x52x21

Reference number: 2304EEG15, 2304-2RS-TV, 2304RS, 2304.2RS1

ID: 20mm

OD: 52mm

Width: 21mm

Weight: 206g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/10,000 RPM,  Open oil /12,000RPM


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1205k self aligning ball bearing

1205K Self Aligning Ball Bearing 25x52x15mm

Reference number: 1205, 1205TV, 1205SA, 1205K

ID: 20mm

OD: 52mm

Width: 15mm

Weight: 138g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/11,000 RPM,  Open oil /13,000RPM


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2205 self aligning ball bearing

2205 Self Aligning Ball Bearing 25x52x18mm

Reference number: 2205, 2205K

ID: 20mm

OD: 52mm

Width: 18mm

Weight: 157g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/10,000 RPM,  Open oil /12,000RPM


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1306 self aligning ball bearing

1306 Self Aligning Ball Bearing 30x72x19 Open type

Reference  number: 1306, L306, 1306TV, 1306SA, 1306G14

ID: 30mm

OD: 72mm

Width: 19mm

Weight: 377g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/7,700 RPM,  Open oil /9,100RPM


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2307-2rs self aligning ball bearing

2307-2RS Self Aligning Ball Bearing

Reference  number: 2307EEG15, 2307-2RS-TV, 2307RS, 2307.2RS1, 2307-2NSE, 2307DDU, 2307LLB, 2307-2NSL

ID: 35mm

OD: 80mm

Width: 31mm

Weight: 650g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/6,300 RPM,  Open oil /7,400RPM


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1207 self aligning ball bearing

1207 Self Aligning Ball Bearing Open

Reference  number: 2307EEG15, 2307-2RS-TV, 2307RS, 2307.2RS1, 2307-2NSE, 2307DDU, 2307LLB, 2307-2NSL

ID: 35mm

OD: 72mm

Width: 17mm

Weight: 312g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/8,000 RPM,  Open oil /9,400RPM


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2208-2RS Self Aligning Ball Bearing

2208-2RS Self Aligning Ball Bearing with Rubber Sealed

Reference  number: 2208EEG15, 2208-2RS.TVH, 2208RS, 2208E.2RS1TN9, 2208DDUTN, 2208VVTN, 2208LLBT, 2208LLU, 2208-2RSTN, 2208 2RS

ID: 40mm

OD: 80mm

Width: 23mm

Weight: 480g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/6,700 RPM,  Open oil /7,900RPM


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1308 self aligning ball bearing

1308 Self Aligning Ball Bearing Open type

Reference  number: 1308, l308, 1308TV, 1308SA, 1308G14

ID: 40mm

OD: 90mm

Width: 23mm

Weight: 710g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/6,000 RPM,  Open oil /7,000RPM


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1209k self aligning ball bearing

1209K Self Aligning Ball Bearing 45x85x19mm

Reference  number: 1209, l209, 1209TV, 1209SA, 1209G14

ID: 45mm

OD: 85mm

Width: 19mm

Weight: 460g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/6,400 RPM,  Open oil /7,500RPM


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2209-2rs-TV self aligning ball bearing

2209-2RS Self Aligning Ball Bearing with Sealed

Reference  number: 2209EEG15, 2209-2RS-TV, 2209RS, 2209.2RS1, 2209-2RS

ID: 45mm

OD: 85mm

Width:23mm

Weight: 540g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/6,000 RPM,  Open oil /7,100RPM


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2309-2RS-TVH Self Aligning Ball Bearing

2309-2RS Self Aligning Ball Bearing 45x100x36 Rubber Sealed

Reference  number: 2208EEG15, 2208-2RS.TVH, 2208RS, 2208E.2RS1TN9, 2208DDUTN, 2208VVTN, 2208LLBT, 2208LLU, 2208-2RSTN, 2208 2RS

ID: 40mm

OD: 80mm

Width: 23mm

Weight: 480g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/6,700 RPM,  Open oil /7,900RPM


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1210 self aligning ball bearing

1210 Self Aligning Ball Bearing 50x90x20 Open

Reference  number: 1210, L210, 1210TV, 1210SA, 1210G14

ID: 50mm

OD: 90mm

Width: 20mm

Weight: 520g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/5,800 RPM,  Open oil /6,800RPM


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2210-2RS Self Aligning Ball Bearing

2210-2RS Self Aligning Ball Bearing 50x90x23 Rubber Sealed

Reference  number: 2210EEG15, 2210-2RSTV, 2210RS, 2210.2RSJ1, U150W, NLDJ50, 3110-00-156-5097, D0170300820, P3210

ID: 50mm

OD: 90mm

Width: 23mm

Weight: 570g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/5,500 RPM,  Open oil /6,400RPM


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1310 self aligning ball bearing

1310 Self Aligning Ball Bearing 50x110x27 Open

Reference  number: 1310, L310, 1310TV, 1310SA, 1310G14

ID: 50mm

OD: 110mm

Width: 27mm

Weight: 570g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/4,900 RPM,  Open oil /5,800RPM


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1211 Self Aligning Double Row Ball Bearing

1211 Self Aligning Double Row Ball Bearing

Reference  number: SKF 1211 EKTN9 , FAG 1211 SK

ID: 50mm

OD: 100mm

Width: 21mm

Weight: 680g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/5,300 RPM,  Open oil /6,200RPM


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2211-2RS Self Aligning Ball Bearing

2211-2RS Self Aligning Ball Bearing 55x100x25 Rubber Sealed

Reference  number: SKF 1211 EKTN9 , FAG 1211 SK

ID: 55mm

OD: 100mm

Width: 25mm

Weight: 770g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/5,000 RPM,  Open oil /5,800RPM


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2311-2RS Self Aligning Ball Bearing

2311-2RS Self Aligning Ball Bearing 55x120x43 Rubber Sealed

Reference  number: 2311EEG15, 2311-2RS-TV, 2311RS, 2311.2RS1

ID: 55mm

OD: 120mm

Width: 43mm

Weight: 2050g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/4,200 RPM,  Open oil /4,900RPM


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2212-2NSE Self Aligning Ball Bearing

2212-2NSE Self Aligning Ball Bearing 60x110x28 Sealed 2212.2RS.TVH

Reference  number: 2212EEG15, 2212-2RS-TV, 2212RS, 2212.2RS1, 2212.2RS.TVH, 2212E-2RS1TN9

ID: 60mm

OD: 110mm

Width: 28mm

Weight: 1060g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/4,600 RPM,  Open oil /5,400RPM


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2312-2RS Self Aligning Ball Bearing

2312-2RS Self Aligning Ball Bearing

Reference  number: 2312eeg15, 2312-2rs-tv, 2312rs, 2312.2rs1

ID: 60mm

OD: 130mm

Width: 46mm

Weight: 2520g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/3,800 RPM,  Open oil /4,500RPM


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1312 self aligning ball bearing

1312 Self Aligning Ball Bearing 60x130x31 Open

Reference  number: 1312, L312, 1312TV, 1312SA, 1312G14

ID: 60mm

OD: 130mm

Width: 31mm

Weight: 1930g

Ball bearing seals: Open, 2RS

Limiting Speed: Sealed Grease/4,100 RPM,  Open oil /4,800RPM


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Comprehensive Guide to Self Aligning Bearings: Understanding Types, Manufacturing Process, and Maintenance

For more information about products, the company, or shipping, you can also check out our other FAQs!

Self aligning bearings are a big deal in machines. It means machines run smoother and last longer.

Whether you’re an engineer, someone who buys parts, or just new to this field, it’s good to know about self-aligning bearings. In this article, we’ll explain how these bearings work, look at different types, and see where they’re used.

We aim to make it easy for you to understand why these bearings are important for your machinery. Let’s dive in!

 

What is a Self-Aligning Bearing?

A self-aligning ball bearing consists of an outer ring, an inner ring, rolling elements, a cage to house the rolling elements, and a possible seal that protects the rolling elements and lubricants from contaminants. Their design allows them to compensate for a shaft and housing assembly misalignment up to three degrees. The low friction within the bearing will enable it to operate at higher speeds while generating far less heat than other bearings.

 

What are the Advantages of Self-Aligning Bearings?

Self aligning ball bearing
Self aligning ball bearing
Self aligning bearing advantage
Self aligning bearing advantage

Self-aligning bearing might be small, but it packs many benefits that make a big difference. Let’s break down why these bearings are so great:

Fewer Alignment Problems

The biggest win with self-aligning bearings is right in the name – they self-align! This means they automatically adjust to any misalignment in the machine. So, your machine keeps running smoothly even if things aren’t lined up perfectly.

Longer Life for Your Machine

Because these bearings handle misalignment well, they reduce wear and tear on the machine. This means your equipment lasts longer, and you save money in the long run.

Less Friction, More Efficiency

Self-aligning bearing is designed to reduce friction. Less friction means less heat and wear, which makes your machine more efficient and reliable.

Quiet and Smooth Operation

Nobody likes a noisy machine. These bearings help keep things running quietly and smoothly, creating a better work environment.

Eco-Friendly

With lower friction and better efficiency, these bearings are also kinder to the environment. They use less energy and need less lubricant, which is great for keeping things green.

Versatility

Self-aligning bearings are used in various machines – from small household appliances to big industrial equipment. This versatility makes them super useful in many different fields.

Easy Maintenance

These bearings generally need less maintenance because they’re so good at handling misalignment and reducing wear. That’s less hassle for you and more time up and running.

 

Self-Aligning Ball Bearing Application

Self-aligning ball bearings are versatile and used in many different places. Let’s talk about some of the incredible ways these bearings are used:

Home Appliances

You might find these bearings in household appliances like washing machines or air conditioners. They help these machines run smoothly and quietly.

Cars and Trucks

In the automotive world, self-aligning bearings are used in parts like the steering mechanism. They help make sure your car steers smoothly and stays reliable.

Industrial Machines

These bearings are big players in heavy machinery. Think of large industrial fans, conveyor belts in factories, or even machinery used in mining. They help these big machines handle heavy loads and keep running without a hitch.

Energy Sector

Self-aligning bearings play a key role in wind turbines and other energy-generating equipment. They help these machines handle the stress of constant motion and changing conditions.

Sports and Exercise Equipment

These bearings are at work even in things like treadmills and elliptical trainers. They help make your workout equipment durable and smooth-running.

 

How Does Self Aligning Bearings Work?

A self-aligning bearing has two main parts. There’s an inner ring that attaches to the moving part of your machine, like a shaft. Then, there’s an outer ring that usually stays still. Between these two rings are little balls that roll.

The inner ring can tilt a bit inside the outer ring. This means if the shaft they’re attached to gets a little misaligned – maybe it’s bent or not perfectly straight – the bearing can adjust to that. It keeps everything spinning smoothly without getting stuck or causing damage.

Because they can adjust, self-aligning bearings help balance the load (or weight) on them. It means they can handle different forces from different directions without getting worn out too quickly.

All this adjusting and balancing helps your machine run more smoothly. It reduces friction (which is just a fancy word for the resistance you get when things rub together), so there’s less wear and tear, and your machine lasts longer.

 

Self-Aligning Bearings Structure

Self aligning bearing structure
Self aligning bearing structure

Self-aligning ball bearings are designed for situations where the shaft and housing might not perfectly align. These bearings are great at dealing with small misalignments, up to about 3 degrees, without creating extra friction or heat.

Here’s a breakdown of their structure in simple terms:

1. Outer Ring

This part has a smooth, spherical shape. It allows movement within the bearing, which helps with the self-aligning feature.

2. Inner Ring

It has two raceways that keep the balls and cage in place.

3. Rolling Elements and Cage

The balls or rollers are kept in place by the cage and the inner ring. The loose fit between the balls and the rings means little friction and heat.

4. Seal

This protects the bearing from dirt and other stuff that could mess it up.

Because they generate less heat and can handle misalignments, self-aligning ball bearings are used in many industries, like mining, food processing, and textile production. They’re good for applications where things might not align perfectly but must run smoothly​.

 

Types of Self Aligning Bearings

There are multiple types of self-aligning bearings, some of which are listed down below:

1. Self Aligning Ball Bearings

These bearings use balls to facilitate movement. They’re great for situations where the shaft and the housing might be misaligned. They adjust themselves up to a certain angle, reducing friction and wear.

1.1 Self Aligning Double Row Ball Bearings

They have two rows of balls instead of one. This design handles more load and performs better in situations with more weight or force.

2. Self Aligning Roller Bearings

Instead of balls, these bearings use rollers. They’re ideal for heavier loads because rollers can carry more weight than balls.

2.1 Self Aligning Spherical Roller Bearings

These are a type of roller bearings with spherical rollers. They are particularly good at handling heavy loads and misalignments, which is helpful in industrial and heavy machinery.

3. Self Aligning Flange Bearings

These come with a flange or a rim for mounting. The flange helps with precise positioning and self-alignment, which is important in applications where alignment is critical.

4. Self Aligning Bush Bearings

These are sleeve-shaped and often used in machinery. They adjust themselves to minimize wear and tear, making them durable and reliable.

5. Self Aligning Plain Bearings

Simple in design, these bearings are used where there’s not a lot of movement but still some misalignment. They provide a smooth operation and can self-adjust to some extent.

6. Self Aligning Sleeve Bearings

These are similar to bush bearings but are more focused on adjusting to alignment changes. They ensure smooth operation in various applications.

7. Self Aligning Bearing Units

These units come as a complete package, with both the bearing and the housing. They’re ready to install and adjust themselves, making them very convenient.

8. Self Aligning Pillow Block Bearings

These are used to provide support for a rotating shaft. The ‘pillow block’ refers to the housing, which includes a bearing that can self-align within it. This is particularly useful in applications where the shaft may not be perfectly parallel to the mounting surface.

Self-Aligning Ball Bearing Size Chart

BearingBoundary dimensionsBasic load RationgsLimiting speedsMass
No.mmNRPMkg
CylindricalTapereddDBR minDynamicStaticGreaseOilCylindricalTapered
boreboreCrCorborebore
1200-103090.55500120023000280000.034-
1300-1035110.67250162022000270000.058-
2300-1035170.610100215021000260000.083-
1201-1232100.55600125021000260000.04-
1301-12371219450216020000250000.066-
2301-123717111800271018000240000.091-
2201-1232140.56000155020000250000.053-
1202-15351117450175018000220000.049-
1302-15421319550230017000210000.092-
2302-154217112000290016000200000.114-
2202-1535140.67700185017000210000.06-
1203-1740120.67900200016000200000.073-
1303-174714112500320015000190000.128-
2303-174719114400355014000180000.156-
2203-1740160.69800240015000190000.088-
12041204K20471419900261013000150000.1160.114
22042204K204718112600330012000140000.140.137
13041304K205215112400335011000130000.160.158
23042304K205221118100407010000120000.2060.201
12051205K255215112100330011000130000.1380.135
22052205K255218112300345010000120000.1570.153
13051305K2562171.11800050009100110000.2550.251
23052305K2562241.12440066008500100000.3340.326
12061206K30621611560046509200110000.2170.213
22062206K30622011520045008600100000.2560.25
13061306K3072191.1213006300770091000.3830.377
23062306K3072271.1315008750720085000.4960.485
12071207K3572171.1158005100800094000.3170.312
22072207K3572231.1215006600750088000.3920.382
13071307K3580211.5251007850680080000.50.49
23072307K3580311.53950011300630074000.670.65
12081208K4080181.1193006550710084000.4140.41
22082208K4080231.1223007350670079000.490.48
13081308K4090231.5296009700600070000.710.7
23082308K4090331.54500013500560066000.920.9
12091209K4585191.1219007350640075000.460.45
22092209K4585231.1232008150600071000.540.53
13091309K45100251.53800012700540063000.950.94
23092309K45100361.55400016700500059001.231.2
12101210K5090201.1227008100580068000.520.51
22102210K5090231.1232008450550064000.580.57
13101310K501102724350014100490058001.21.18
23102310K501104026450020200460054001.631.6
12111211K55100211.52680010000530062000.70.68
22112211K55100251.5265009900500058000.790.77
13111311K551202925150017900450052001.581.56
23112311K551204327550024000420049002.12.05
12121212K60110221.53000011500490058000.880.87
22122212K60110281.53400012600460054001.081.06
13121312K60130312.15700020800410048001.961.93
23122312K60130462.18700028200380045002.62.52
12131213K65120231.53100011500450053001.131.11
22132213K65120311.54350016400420050001.441.41
13131313K65140332.16200022900380045002.422.38
23132313K65140482.19600032500360042003.23.12
12141214K70125241.53450013800420049001.241.22
22142214K70125311.54400017100390046001.521.5
13141314K70150352.174500277003500420032.9
23142314K70150512.110900037500330039003.923.8
12151215K75130251.53900015700390046001.331.31
22152215K75130311.54450017800370043001.581.54
13151315K75160372.17950030000330039003.553.5
23152315K75160552.112300043000310036004.784.66
12161216K801402624000017000370043001.651.62
22162216K801403324850019900340040001.991.95
13161316K80170392.18850033000310036004.174.11
23162316K80170582.112800045000290034005.655.51
12171217K851502824900020800350041002.052.03
22172217K851503625800023600320038002.542.49
13171317K851804139750038000290034004.964.89
23172317K8518060314000051500270032006.556.39

The Bottom Line

Self-aligning bearing is a key component in many industrial and mechanical applications. Their ability to adjust to misalignments makes them highly versatile and reduces wear and tear, leading to longer equipment life. For businesses looking for reliable, efficient, and durable bearing options, BYWB Bearings are an excellent choice, enhancing machine performance and minimizing maintenance costs!

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