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Ball Bearings（Number of Raceway Ring Rows：Double Row）

Bearings are mechanical components in a machine that are used to reduce friction between moving parts and support axial and radial loads.It is commonly used in machines and equipment that require rotational motion, such as generators, motors, pumps, and so on. There are many types of bearing to choose from for example Deep Groove Ball Bearing (Single Row and Double Rows), Angular Contact Ball Bearing, Thrust ball bearing and so on.Moreover, you can select based on other specifications like inner diameter (bore size), Bearing type, Load Direction, Precision, Environments, etc. Recommended brands for bearing include MISUMI, ESCO, NTN and NSK.Bearings are available with free delivery and no minimum order. If you have any questions about product selection or any concerns, our specialists are available to assist with any inquiries.

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  • You can add up to 6 items per a category to the compare list.
    Sale
    Angular Ball Bearing
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Angular Ball Bearing

    NTN

    Angular ball bearings that can receive a certain amount of axial (axial direction) load.
    [Features]
    ・ The straight line connecting the contact points between the ball and the inner and outer rings has an angle with respect to the radial direction.
    ・ Radial load and unidirectional axial load can be applied.
    ・ When a radial load acts, an axial component force is generated, so 2 are generally used facing each other.
    [Applications]
    ・ Ideal for machine tools, feed screw mechanisms, ball screw support units, etc.
    Read more
    From: ฿ 100.00
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Self-Aligning Ball Bearings
    Until 31/03/2025
    Self-Aligning Ball Bearings
    Self-Aligning Ball Bearings
    Self-Aligning Ball Bearings
    Self-Aligning Ball Bearings
    Self-Aligning Ball Bearings
    Self-Aligning Ball Bearings
    Self-Aligning Ball Bearings
    Self-Aligning Ball Bearings

    Sale
    Until 31/03/2025

    Self-Aligning Ball Bearings

    NSK

    A bearing with a spherical surface wherein the center of the raceway of the outer bearing coincides with the center of the bearing itself and the inner ring includes two rows of raceway groves. Products on this page: 1200, 1300, 2200 and 2300 series
    Read more
    From: ฿ 329.22
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Ball Bearing, Precision Angular Contact
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Ball Bearing, Precision Angular Contact

    NTN

    An angular ball bearing that can support axial loads up to a certain level.
    [Features]
    · The straight line that connects the contact points between the balls and the inner and outer rings has a certain angle relative to the radial direction.
    · Radial load and axial load can be applied in one direction.
    · When a radial load is applied, axial component is generated, hence generally, two are used facing each other.
    · Refer to Precision Rolling Bearings (CAT. No. 2260 / J) for bearings with a contact angle of 15° and bearing accuracy of JIS Class 5 or higher.
    [Applications]
    · Ideal for machine tools, feed-screw mechanisms and ball screw support units.
    Read more
    From: ฿ 100.00
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Ball Bearing, Double Row Deep Groove
    Until 30/09/2024

    Sale
    Until 30/09/2024

    Ball Bearing, Double Row Deep Groove

    SKF

    [Features]Glass fiber reinforced polyamide 6.6 is used for retainer. [Product Specifications]Shield material and shape: open type, Inner and outer ring materials: steel, Outer ring type: flat, Precision (JIS): class 0.
    Read more
    From: ฿ 913.33
    Special Price
    Days to Ship: day to ship 3 Day(s)
    day to ship 3 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Sale
    Ball Bearing, Double-Row Angular Contact
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Ball Bearing, Double-Row Angular Contact

    NTN

    A bearing with a structure in which single-row angular ball bearings are combined on the back (DB) and the inner and outer rings are integrated.
    [Features]
    ・ The contact angle is 25°.
    ・ It can receive radial load and axial load in both directions, and also has a load capacity for moment load.
    ・ This bearing is also available in a sealed type or a shield type, and the rated load changes compared to the open type.
    [Applications]
    ・ Machine Tools.
    ・ Feed screw mechanism.
    ・ Ball screw support unit.
    Read more
    From: ฿ 100.00
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Self-Aligning Ball Bearings (Taper Hole / Cylindrical Hole)
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Self-Aligning Ball Bearings (Taper Hole / Cylindrical Hole)

    NTN

    The center of the raceway surface of the outer ring is a spherical surface with a point that coincides with the center of the bearing, and the inner ring is a ball bearing with 2 rows of raceway grooves.
    [Features]
    ·The ball, retainer, and inner ring can rotate freely with respect to the outer ring.
    ·Misalignment of the shaft center caused by machining errors of the shaft or housing or such as mounting of bearings is automatically adjusted.
    ·Since the load capacity of the axial load is not very large, it is not suitable for places with a large axial load.
    ·If an adapter is used for a bearing with a tapered hole with inner diameter, it is often used for such as transmission shafts because it is easy to install and remove.
    [Application]
    ·Ideal for areas where centering of the shaft and housing is difficult.
    Read more
    From: ฿ 100.00
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Ball Bearing/Angular Contact/Single/Double Row Combination/Standard Grade
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Ball Bearing/Angular Contact/Single/Double Row Combination/Standard Grade

    MISUMI

    [Product Specifications]Shield material and shape: open type, inner and outer ring materials: SUJ2, outer ring type: flat, specifications/environment: standard.
    Read more
    From: ฿ 480.25
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • Economy series
    You can add up to 6 items per a category to the compare list.
    Angular Contact Ball Bearings Double Row DB Combination

    MiSUMi C-VALUE

    Angular Contact Ball Bearings Double Row DB Combination

    MiSUMi C-VALUE

    Angular Contact Ball Bearings Double Row DB Combination
    Angular contact ball bearings double row are commonly used in applications that require high precision, high speed. These bearings are available in various sizes to choose from.
    [Feature]
    ● Bearing Size Standards: Metric System
    ● Inner Diameter Minimum / Maximum (mm.) : 10 and 100
    ● Outer Diameter Minimum / Maximum (mm.) : 26 and 180
    ● Width Minimum / Maximum (mm.) : 8 and 34
    ● Precision (JIS) : Class 5
    ● Bearing Type : Open (No cover)
    ● Load Direction : Radial / Thrust Load or Axial Load
    [Application]
    It is used to support and guide rotating machine's components, such as shafts, wheels, pulleys ,etc
    Read more
    From: ฿ 336.00
    Days to Ship: day to ship Same day
    day to ship Same day
  • Economy series
    You can add up to 6 items per a category to the compare list.
    Angular Contact Ball Bearings Double Row DF Combination

    MiSUMi C-VALUE

    Angular Contact Ball Bearings Double Row DF Combination

    MiSUMi C-VALUE

    Angular Contact Ball Bearings Double Row DF Combination
    Angular contact ball bearings double row are commonly used in applications that require high precision, high speed. These bearings are available in various sizes to choose from.
    [Feature]
    ● Bearing Size Standards: Metric System
    ● Inner Diameter Minimum / Maximum (mm.) : 10 and 100
    ● Outer Diameter Minimum / Maximum (mm.) : 26 and 180
    ● Width Minimum / Maximum (mm.) : 8 and 34
    ● Precision (JIS) : Class 5
    ● Bearing Type : Open (No cover)
    ● Load Direction : Radial / Thrust Load or Axial Load
    [Application]
    It is used to support and guide rotating machine's components, such as shafts, wheels, pulleys ,etc
    Read more
    From: ฿ 389.00
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Self-Aligning Ball Bearing
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Self-Aligning Ball Bearing

    MISUMI

    Self-Aligning Ball Bearing
    Self-aligning ball bearings are commonly used in applications where shaft deflection or misalignment is expected. These bearings are available in various sizes to choose from.
    [Feature]
    ● Bearing Size Standards: Metric System
    ● Inner Diameter Minimum / Maximum (mm.) : 10 and 20
    ● Outer Diameter Minimum / Maximum (mm.) : 30 and 52
    ● Width Minimum / Maximum (mm.) : 9 and 15
    ● Precision (JIS) : Class 0
    ● Bearing Type : Open (No cover)
    ● Load Direction : Radial Load
    [Application]
    It is used to support and guide rotating machine's components, such as shafts, wheels, pulleys ,etc
    Read more
    From: ฿ 187.11
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Thrust Ball Bearing, Double-Row
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Thrust Ball Bearing, Double-Row

    NSK

    Ball bearings composed of 2 retainers with balls and 3 raceway disks.
    [Features]
    · Designed to receive a thrust load during high-speed operation. There is an orbital groove in which the ball rolls on the washer-shaped orbital disk.
    · Can handle axial loads in both directions, but cannot handle radial loads.
    · A shape of holding a shaft raceway board between 2 retainers incorporating balls.
    · High rigidity of axial direction because of large contact angle.
    · Spherical surface aligning seat type and aligning seat washer type to allow mounting measurement errors can be selected.
    [Applications]
    · Available for use in automobile, general industrial equipment.
    Read more
    From: ฿ 892.29
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Ball Bearing, Double-Row Angular, 5200/5300 Type

    Ball Bearing, Double-Row Angular, 5200/5300 Type

    NACHI(FUJIKOSHI)

    [Features]
    · Two types of contact angles can be selected depending on the magnitude of axial load and moment load.
    · Uses a pressed retainer
    · In addition to the single row deep groove ball bearings, those with seals (2NS) and shields (ZZ) are also available.
    [Applications]
    · Blowers, high-speed vacuum pump receivers, superchargers and motorcycle transmissions.
    Read more
    From: ฿ 516.36
    Days to Ship: day to ship 3 Day(s)
    day to ship 3 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Double-Row Angular Contact Ball Bearings, Open Type

    Double-Row Angular Contact Ball Bearings, Open Type

    HRB

    Brand-name products provided by MISUMI are carefully-selected from the products of Asian manufacturers and offered based on customers' needs. Please select the right item for your individual usage environment. HRB was established in 1950 and it produces bearings for use in automobiles, electrical equipment, machine tools, aircraft, etc. One of the three biggest bearing manufacturers in China.
    Read more
    From: ฿ 483.86
    Days to Ship: day to ship 6 Day(s)
    day to ship 6 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Sale
    Ball Bearings (Cylindrical Hole), Self-Aligning
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Ball Bearings (Cylindrical Hole), Self-Aligning

    NACHI(FUJIKOSHI)

    · Self-aligning feature makes this product ideal for cases in which axial deflection and inclination cannot be avoided.
    · Small load capacity (especially axial load capacity).
    · When a larger load capacity is required, use a self-aligning roller bearing with the same alignment.
    · Depending on the model number, “G” is displayed at the end of the package nominal number for those models which use a polyamide retainer.
    Read more
    From: ฿ 322.09
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Self-Aligning Ball Bearings UKB type

    Self-Aligning Ball Bearings UKB type

    KASHIMA UKB

    Choose from an abundant variety of materials. Products on this page: UKB1200, UKB1300, UKB2200 and UKB2300 series
    Read more
    From: ฿ 1,479.00
    Days to Ship: day to ship 12 Day(s)
    day to ship 12 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Self-Aligning Ball Bearings, Cylindrical Hole Type / Tapered Hole Type

    Self-Aligning Ball Bearings, Cylindrical Hole Type / Tapered Hole Type

    HRB

    Suitable for applications when alignment of the shaft and housing is difficult and where transmission shafts deflection occurs easily. Select from diameters ø10 to ø50. A partial inventory of the product has been kept. Established in 1950. One of the three biggest bearing manufacturers in China. HRB bearing products are used in a wide range of industries such as in automobiles, electric equipment, machine tools, and aircraft.
    Read more
    From: ฿ 249.73
    Days to Ship: day to ship 6 Day(s)
    day to ship 6 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Two Rows Combination Angular Contact Ball Bearings, Rubber Seal Type

    Two Rows Combination Angular Contact Ball Bearings, Rubber Seal Type

    HRB

    Brand-name products provided by MISUMI-VONA are based on customer needs and carefully selected from the products of rapidly growing manufacturers in Asia. Select the most appropriate item for the usage environment. Founded in 1950, HRB bearings are used in a wide range of applications, including automobiles, electrical equipment and machine tools. One of the three biggest Chinese manufacturers of bearings.
    Read more
    From: ฿ 1,170.62
    Days to Ship: day to ship 11 Day(s)
    day to ship 11 Day(s)
Brand
Product Series
CAD
From
Days to Ship
Specifications
Inner Dia. d(Ø)
Outer Dia. D(Ø)
Width B(mm)
Raceway Ring Shape
Bearing Type
Outer Ring Type
Inner/Outer Ring Material
Basic Dynamic Load Rating(N)
Specifications, Environment
Precision (JIS)
Load Direction
Rolling Element Material
Size Standards
Number of Raceway Ring Rows
Clearance Symbol
You can add up to 6 items per a category to the compare list.
Sale
Angular Ball Bearing
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Self-Aligning Ball Bearings
Until 31/03/2025
Self-Aligning Ball Bearings
Self-Aligning Ball Bearings
Self-Aligning Ball Bearings
Self-Aligning Ball Bearings
Self-Aligning Ball Bearings
Self-Aligning Ball Bearings
Self-Aligning Ball Bearings
Self-Aligning Ball Bearings
You can add up to 6 items per a category to the compare list.
Sale
Ball Bearing, Precision Angular Contact
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Ball Bearing, Double Row Deep Groove
Until 30/09/2024
You can add up to 6 items per a category to the compare list.
Sale
Ball Bearing, Double-Row Angular Contact
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Self-Aligning Ball Bearings (Taper Hole / Cylindrical Hole)
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Ball Bearing/Angular Contact/Single/Double Row Combination/Standard Grade
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Angular Contact Ball Bearings Double Row DB Combination
You can add up to 6 items per a category to the compare list.
Angular Contact Ball Bearings Double Row DF Combination
You can add up to 6 items per a category to the compare list.
Sale
Self-Aligning Ball Bearing
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Thrust Ball Bearing, Double-Row
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Ball Bearing, Double-Row Angular, 5200/5300 Type
You can add up to 6 items per a category to the compare list.
Double-Row Angular Contact Ball Bearings, Open Type
You can add up to 6 items per a category to the compare list.
Sale
Ball Bearings (Cylindrical Hole), Self-Aligning
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Self-Aligning Ball Bearings UKB type
You can add up to 6 items per a category to the compare list.
Self-Aligning Ball Bearings, Cylindrical Hole Type / Tapered Hole Type
You can add up to 6 items per a category to the compare list.
Two Rows Combination Angular Contact Ball Bearings, Rubber Seal Type
Brand

NTN

NSK

NTN

SKF

NTN

NTN

MISUMI

MiSUMi C-VALUE

MiSUMi C-VALUE

MISUMI

NSK

NACHI(FUJIKOSHI)

HRB

NACHI(FUJIKOSHI)

KASHIMA UKB

HRB

HRB

Product Series

Angular Ball Bearing

Self-Aligning Ball Bearings

Ball Bearing, Precision Angular Contact

Ball Bearing, Double Row Deep Groove

Ball Bearing, Double-Row Angular Contact

Self-Aligning Ball Bearings (Taper Hole / Cylindrical Hole)

Ball Bearing/Angular Contact/Single/Double Row Combination/Standard Grade

Angular Contact Ball Bearings Double Row DB Combination

Angular Contact Ball Bearings Double Row DF Combination

Self-Aligning Ball Bearing

Thrust Ball Bearing, Double-Row

Ball Bearing, Double-Row Angular, 5200/5300 Type

Double-Row Angular Contact Ball Bearings, Open Type

Ball Bearings (Cylindrical Hole), Self-Aligning

Self-Aligning Ball Bearings UKB type

Self-Aligning Ball Bearings, Cylindrical Hole Type / Tapered Hole Type

Two Rows Combination Angular Contact Ball Bearings, Rubber Seal Type

CAD
  • 2D / 3D
  • 2D / 3D
  • 2D / 3D
  • 2D / 3D
  • 2D / 3D
  • 2D / 3D
  • 2D / 3D
  • 2D / 3D
From

฿ 100.00

Special Price

On Sale Until 31/03/2025

฿ 329.22

Special Price

On Sale Until 31/03/2025

฿ 100.00

Special Price

On Sale Until 31/03/2025

฿ 913.33

Special Price

On Sale Until 30/09/2024

฿ 100.00

Special Price

On Sale Until 31/03/2025

฿ 100.00

Special Price

On Sale Until 31/03/2025

฿ 480.25

Special Price

On Sale Until 31/03/2025

฿ 336.00

฿ 389.00

฿ 187.11

Special Price

On Sale Until 31/03/2025

฿ 892.29

Special Price

On Sale Until 31/03/2025

฿ 516.36

฿ 483.86

฿ 322.09

Special Price

On Sale Until 31/03/2025

฿ 1,479.00

฿ 249.73

฿ 1,170.62

Days to Ship Same day Same day Same day 3 Day(s) Same day Same day Same day Same day Same day Same day Same day 3 Day(s) 6 Day(s) Same day 12 Day(s) 6 Day(s) 11 Day(s)
Specifications
                                    Inner Dia. d(Ø)10 ～ 1805 ～ 11010 ～ 10010 ～ 9010 ～ 8510 ～ 11010 ～ 5010 ～ 10010 ～ 10010 ～ 2010 ～ 15010 ～ 7520 ～ 4510 ～ 6510 ～ 4010 ～ 5045
                                    Outer Dia. D(Ø)26 ～ 28019 ～ 24030 ～ 18030 ～ 16030 ～ 15030 ～ 24026 ～ 9026 ～ 18026 ～ 18030 ～ 5232 ～ 24030 ～ 13047 ～ 10030 ～ 13030 ～ 9030 ～ 110100
                                    Width B(mm)8 ～ 1006 ～ 8018 ～ 6814 ～ 4614.3 ～ 63.59 ～ 808 ～ 208 ～ 348 ～ 349 ～ 1522 ～ 14314.3 ～ 5420.6 ～ 39.79 ～ 469 ～ 339 ～ 4039.7
                                    Raceway Ring ShapeAngular Contact Ball (Multi-Row)Self-Aligning BallAngular Contact Ball (Multi-Row)BallAngular Contact Ball (Multi-Row)Self-Aligning BallAngular Contact Ball (Multi-Row)Angular Contact Ball (Multi-Row)Angular Contact Ball (Multi-Row)Self-Aligning BallBallAngular Contact Ball (Multi-Row)Angular Contact Ball (Multi-Row)Self-Aligning BallSelf-Aligning BallSelf-Aligning BallAngular Contact Ball (Multi-Row)
                                    Bearing TypeOpenOpenOpenOpenOpen / Double Shielded / Rubber SealedOpenOpenOpenOpenOpenOpenOpenOpenOpenSingle ShieldedOpenDouble Shielded
                                    Outer Ring TypeFlatFlatFlatFlatFlat / With U-Shaped GrooveSphericalFlatFlatFlatFlatFlatFlatFlatFlatFlatFlatFlat
                                    Inner/Outer Ring MaterialSteelSteel / Stainless SteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelPlasticSteelSteel
                                    Basic Dynamic Load Rating(N)8,200 ～ 4000002530 ～ 2110005400 ～ 1390009230 ～ 1120007150 ～ 1590007,750 ～ 2110008750 ～ 670007550 ～ 2230007550 ～ 2230005550 ～ 1270016700 ～ 3500007300 ～ 12800019100 ～ 724005500 ～ 87200-5060 ～ 6370072400
                                    Specifications, EnvironmentStandardStandard-StandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardWater Resistant / Non-magneticStandardStandard
                                    Precision (JIS)Class 0 / Class 4 / Class 5Class 0Class 0 / Class 4 / Class 5Class 0Class 0Class 0Class 0Class 5Class 5Class 0-Class 0Class 0Class 0-Class 0Class 0
                                    Load DirectionRadial / ThrustRadialRadialRadialRadial / ThrustRadialRadialRadial / ThrustRadial / ThrustRadial-RadialRadialRadial-RadialRadial
                                    Rolling Element MaterialSteelSteel / Stainless SteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelSteelStainless Steel / Ceramics / Plastic / GlassSteelSteel
                                    Size StandardsMetric SystemMetric SystemMetric SystemMetric SystemMetric SystemMetric SystemMetric SystemMetric SystemMetric SystemMetric SystemMetric SystemMetric SystemMetric SystemMetric SystemMetric SystemMetric SystemMetric System
                                    Number of Raceway Ring RowsDouble RowDouble RowDouble RowDouble RowDouble RowDouble RowDouble RowDouble RowDouble RowDouble RowDouble RowDouble RowDouble RowDouble RowDouble RowDouble RowDouble Row
                                    Clearance Symbol-----------------

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                                    FAQ Bearing

                                    Question: How to select the right ball bearing for your application
                                    Answer: 1. Choose a bearing that is fit to the "Bore" and "Shaft’s diameter" for not being loose in installation and causing misalignment.
                                    2. Choose a bearing that is matched to the shaft's rotating speed to reduce heat in the "Ball" and "Ring" that will make bearings deteriorate.
                                    3. Choose a bearing that is matched to the "radial load" and "axial load" of the application.
                                    4. Choose a bearing that has clearance that matches the temperature in the operation area, like the conveyor of a furnace, because "Ball" and "Ring" will expand from heat and create more.
                                    5. Choose a bearing that is compatible with the environment of the operation area, like a bearing that has a dust cover to prevent dust from creeping in or a bearing that is capable of heat resistance.
                                    Question: What are bearing types and their various applications
                                    Answer: Normally, bearing can be divided into 2 groups:
                                    1. Rolling-element bearings that contain "Balls" or "Rollers" between the "Outer - Inner Rings" to carry loads These bearings have 2 types.
                                      1.1. Ball bearing: use balls as rolling elements. It can take bolt "Radial Load" and "Axial Load". Example: Bearing in a Bicycle’s Wheel.
                                      1.2. Roller bearing: use rollers as rolling elements. Good to carry "Radial Load". Example: Bearing in the Conveyor’s Pulley.
                                    2. Plain bearing: It has 2 components. 1st is "Journal" which is a hollow cylinder case, and "Journal Bearing" which is an inside bore. This plain bearing uses oil as lubrication and is capable of self-alignment. Good for low rotating speed and eccentric force like an excavator cylinder rod end.
                                    Question: How to read and use a ball bearing size chart? Please use this picture
                                    Answer: How to read and use a ball bearing size chart
                                    Basically, bearing size tables contain 4 columns.
                                    - 1st column is Part Number.
                                    - 2nd column is "Inside Diameter" or “d” which tells the size of the shaft.
                                    - 3rd column is "Outside Diameter" or “D” which tells the size of the bore.
                                    - 4th column is “Bore” or “B” which tells the width of the bearing so that it can be installed properly.
                                    - Some types of bearing size chart might have other columns for more detail. Such as rotating speed, basic load rating, mass etc.
                                    The above information is referenced from Product catalog from MISUMI. In some manufacturers, the order of the tables may slightly change.
                                    Question: Whar are bearing materials and their properties
                                    Answer: - Carbon steel is the cheapest and strongest,  but the material has low heat resistance and is not able to take high loads or a high rotating speed.
                                    - Chrome steel is stronger and able to take a higher load than carbon steel, but it requires lubrication. and the material is not resistant to chemicals and corrosion.
                                    - Stainless steel has high efficiency, strong, and resistant to corrosion. but it’s heavy, requires lubrication. and expensive.
                                    - Ceramic have high-temperature resistant, resistant to corrosion and light weight. but load capacity is lower than steel Bearing.
                                    - Polymer have many varieties: nylon, polyethylene (PE), etc. The Polymer’s bearing has low-friction properties, light weight, resistance to rust. but it’s expensive and low of heat resistance.
                                    - Hybrid is created by combining materials for the highest load capacity. capable of being heat-resistant and be able to work under conditions of high rotating speed. But it’s extremely expensive and hard to find. So, it has been used for specific applications only.
                                    Question: How to troubleshoot common problems with ball bearings
                                    Answer: 1. Flaking: Mostly, this problem arises from fractions that creep into bearing. made the ball/Roller or roller scratch with internal parts. This could be prevented by using bearings that have a dust cover and lubricating them with grease.
                                    2. Rusting: The source of this problem comes from water/humidity that gets inside the bearing. Lubrication by using grease is going to coat the bearing’s surface and prevent contact with humidity in the air.
                                    3. Cage distortion: Mostly, this problem comes from drop bearings. But in any case, misassembling is also the cause of the problem. Example Clearance after assembly is not up to standard. Made it to have a gap that balls bump with cage.
                                    4. Fracture: This could be caused by many reasons, but in summary, it is caused by bearings taking a higher load than is allowable. like using the wrong type of bearing or a machine working in the wrong condition.
                                    Question: What distinguishes a simple ball bearing from a deep groove ball bearing?
                                    Answer: Deep Grove Ball Bearings have a raceway that fits the size of the balls. That’s made the Deep Grove Ball Bearing more stable and able to take a higher load than a normal bearing. Still, it has low-friction properties and can take both radial and axial loads.

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