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Technical Information【BALL BEARINGS】
Ball bearings are used to reduce friction of a rotary shaft mounted on the machine. Reducing friction helps increase the machine efficiency, ext ...Readmore
Technical Information【BALL BEARINGS】
Ball bearings are used to reduce friction of a rotary shaft mounted on the machine. Reducing friction helps increase the machine efficiency, extend lifespan and prevent seizing and failure. Ball bearings consist of balls (rolling elements), the inner ring, the outer ring, the cage (for keeping the balls in appropriate motion), and are used for many machines requiring rotary shafts, such as motors equipped in electric tools, etc. Types of ball bearings are as follows; angular bearings which support radial and axial loads by combination of single row and double row, thrust bearings which support forces acting in the axial direction of a rotating object, and self-aligning bearings used when the inner and outer rings of a bearing are tilted. In addition to materials, sizes, basic load ratings, and allowable rotational speeds, there are a wide variety of types of shields, greases, outer ring types, etc., requiring you to select a suitable ball bearing for the application.
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Deep Groove Ball Bearings - Standard Sizes, Single or Double Row.
NTN
Deep groove ball bearings with deep arcuate grooves on both the inner and outer rings.[Features]-Can receive radial load, axial load in both directions, or combined load that is a combination thereof.-Ideal for high-speed rotation.・ Open type, sealed ball bearings with grease (both seals or both shield bearings), bearings with retaining rings, etc. are also available.[Applications]-Can be used for parts that rotate at high speeds with low friction torque and for all applications that require low noise and low vibration.
Days to Ship: | Same day or more |
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Deep Groove Ball Bearings - Single Row, NSK.
NSK
[Features]-Deep groove ball bearings have deep grooves with arc-shaped tracks on both the inner and outer rings, andcan carry radial loads as well as axial loads in both directions (axial load), resulting in low friction torque. It is most suitable for parts that rotate at high speed and applications that require low noise and low vibration.-Single row deep groove ball bearings are the most typical type of bearings.
Days to Ship: | Same day or more |
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Angular Contact Ball Bearings - Open, Single or Double Row, Steel or Stainless Steel.
NSK
A ball bearing that can simultaneously support a radial load and a large axial load in one direction.[Features]
-Contact angle type of 15 degrees, 25 degrees, 30 degrees, 40 degrees
-Various cages made of polyamide, steel, and brass[Use]
-Hydraulic pump that applies axial load in addition to radial load, vertical
Can be used for mold pumps, spindles of machine tools that require improved shaft rotation accuracy and rigidity, grinding spindles, electromagnetic clutches for automobile air conditioners, etc.
Days to Ship: | Same day or more |
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Angular Contact Ball Bearings - With or Without Seals, Single or Double Row.
NTN
Angular contact ball bearings that can receive a certain amount of axial 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 two are generally used facing each other.[Application]-Ideal for machine tools, feed screw mechanisms, ball screw support units, etc.
Days to Ship: | Same day or more |
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Large Size Deep Groove Ball Bearings - Stainless Steel, Single Row.
SPB-USA (Ezo)
Stainless Steel Bearings in sizes that are most used in a wide range of industries.[Features]-A wide variety of types with outer ring flange, thin-walled products, shields and seals.-JIS standard bearing-Larger Diameter Sizes[Application]-Can be used for various rotating parts such as machine parts (motors, etc.).
Days to Ship: | 8 Days or more |
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Small Ball Bearings - Single Row.
NTN
Small diameter ball bearings with a bearing outer diameter of less than 9 mm, a bearing inner diameter of less than 10 mm, and a bearing outer diameter of 9 mm or more.[Features]-Small diameter sizes are available.-Suitable for high-speed rotation.・ Open type, sealed ball bearings with grease (both seals or both shield bearings), and bearings with retaining rings are available.[Applications]-Can be used for parts that rotate at high speeds with low friction torque and for all applications that require low noise and low vibration.
Days to Ship: | Same day or more |
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Small Deep Groove Ball Bearings - Flanged Option, Single Row.
NSK Micro Precision
High quality radial ball bearing consisting of inner ring, outer ring, ball, cage and seal.[Features]-High-quality small-diameter ball bearings are available from Φ2 (inner diameter 2 mm).-The most commonly used radial ball bearing consisting of inner ring, outer ring, ball, cage, and seal.-In addition to radial load, axial load in both directions can be applied.-The flanged type is a deep groove ball bearing with a brim on one side of the outer ring, and since it is not necessary to provide a shoulder on the inner diameter of the housing, highly accurate through-hole machining is possible.-With a flange, the side surface of the housing can be attached as a reference, and it is necessary to accurately process the squareness of the side surface.[Applications]-The most suitable for applications where the friction torque is small, high-speed rotation is required, and low noise and low vibration are required.
Days to Ship: | Same day or more |
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Deep Groove Ball Bearings - Single Row, Nachi-Fujikoshi.
Nachi-Fujikoshi
A deep groove ball bearing with single row can be used in many different applications. •Type : Ball
•Bearing Style : Double Shielded, Open Type, Rubber Seal Type, Single Shielded
•Load Direction : Radial
• Dynamic equivalent radial loadPr = XFr + yfa
• Static equivalent radial loadTake the larger of the values obtained from the following two equations.Por = 0.6Fr + 0.5FaPor = Fr
Days to Ship: | 8 Days or more |
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Thrust Ball Bearings - 51 Series, Single Row, Open.
NTN
Ball bearings designed for axial loads with balls positioned between a pair of washers (shaft washer and housing washer) typically at a 90° contact angle. Only can accommodate axial loads in one direction and are not suitable for radial loads, not recommended for high-speed rotation. Ideal for use in steel equipment, pumps, machinery, tools, wind power generation, and more.
Days to Ship: | 8 Days or more |
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Angular Contact Ball Bearings - Double Row.
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.
Days to Ship: | 8 Days or more |
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Angular Contact Ball Bearings - Double Row, Selectable Orientation.
MISUMI
For complete product overview and details on Angular Contact Ball Bearing - Double Row Combination, Standard Grade (MISUMI) see the sections below:
Days to Ship: | Same day or more |
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Thrust Ball Bearings - Open, Single Row, Series 51.
NTN
A bearing with a ball between a set of track boards (axle track board and housing track board) and a contact angle of 90 °.[Features]-Only unidirectional axial load can be applied, and radial load cannot be applied.-In addition, it is not suitable for high-speed rotation.[Applications]-Steel equipment, pumps, machine tools, wind power generation, etc.
Days to Ship: | Same day or more |
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Deep Groove Ball Bearing - Single Row, Inch, 1600 Series
NICE BEARINGS
Precision ground 1600 Series bearings are specially designed to provide a line of low cost yet high quality bearings for adaptation to a majority of precision bearing applications. They are made in easy to use inch dimensions and are recommended for medium loads and for maximum speeds in the range of 5000 rpm.
The 1600 Series bearings are precision ground on all surfaces with exceptional care given to the ball grooves. Careful heat treatment provides a uniform and exact degree of hardness for maximum life.
The 1600 Series radial bearings are available open, single or doubled shielded, or single or double sealed. Double sealed and double shielded bearings are supplied grease packed as standard.
Days to Ship: | 9 Days |
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Angular Contact Ball Bearings - Open, Single or Double Row.
NTN
Angular contact ball bearings that can receive a certain amount of axial 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 two are generally used facing each other.・ For bearings with a contact angle of 15 ° and bearing accuracy of JIS 5 class or higher, refer to Precision Rolling Bearing (CAT. No. 2260 / J).[Application]-Ideal for machine tools, feed screw mechanisms, and ball screw support units.
Days to Ship: | 8 Days or more |
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Deep Groove Ball Bearings - Single Row, Inch Sizes.
SPB-USA (Ezo)
Precision Bearings that are compact and lightweight because of their small diameter and thin wall type.[Features]-Small diameter standard bearing.・ Inch standard size product.・ Abundant variations.[Applications]-Ideal for machine parts (fan motors, encoders, stepping motors, etc.).
Days to Ship: | 13 Days or more |
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Deep Groove Ball Bearings - With retaining ring option, single row, 440C stainless steel.
SMT Bearing
SUS440C stainless steel bearing with excellent chemical resistance and resistance to rust, corrosion and high temperature.[Features]-6800, 6900, 6000, 6200, 6300 series-Lineup of types with retaining rings-Can beused in higher temperature environments than general bearing materials (operating temperature range is about 50 ° C higher)-Both shields (ZZ) Type: (-40 to + 150 ° C) / Double seal (2RS) Type: (-30 to + 110 ° C)・ Open type: Lubricant・ Stainless steel other than rubber seal (inner / outer ring, ball is SUS440C, cage, Shield and retaining ring are SUS304)・ Heat resistant grease is used for "SMT" sealed stainless steel bearing, accuracy is JIS0 grade orhigher・High stability against rust・High resistance to chemicals[Application]-Ideal for specifications in food machinery, cleaning equipment, water environment transport equipment, and other hot and humid environments
Days to Ship: | 8 Days or more |
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MISUMI
•Type : Thrust Bearing
•Bearing Style : Open Type
•Load Direction : Thrust
For complete product overview and details on Thrust Ball Bearing - Large Sized, Open Type (MISUMI) see the sections below:
Days to Ship: | Same day or more |
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Self-Aligning Ball Bearings - Open and Double-Row.
MISUMI
New: Width variations are added. [August 2023]
The self-aligning ability enables to tolerate mounting misalignment and deflection during rotation.
Days to Ship: | Same day or more |
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Deep Groove Ball Bearings - Small and Open.
MISUMI
For complete product overview and details on Small Deep Groove Ball Bearing - Open Type (MISUMI) see the sections below:
Days to Ship: | Same day or more |
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Angular Contact Ball Bearings - Universal Combination.
MISUMI
For complete product overview and details on Angular Contact Ball Bearing - Universal Combination, Precision Grade (MISUMI) see the sections below:
Days to Ship: | Same day or more |
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Thrust Ball Bearings - Open, Single Row, Series 5.
NSK
Ball bearings designed to receive thrust loads during high-speed operation.[Features]-Composed of a washer-shaped track board with a track groove on which balls roll.-Spherical centering washer type and centering washer type can be selected, and mounting error can be tolerated in both single and double types.-Thrust ball bearings are divided into a flat seat type and a centered seat type according to the shape of the seat of the housing track board, and can receive an axial load.・ Axial load can be received, but radial load cannot be received.[Use]-Can be used for automobile-related and general industrial equipment.
Days to Ship: | Same day or more |
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Self-Aligning Ball Bearings - Open, double row.
NTN
The center of the raceway surface of the outer ring is a spherical surface that coincides with the center of the bearing, and the inner ring is a ball bearing with two rows of raceway grooves.[Features]-The ball, cage, and inner ring can rotate freely with respect to the outer ring to some extent.・ Axle deviation caused by machining errors of shafts and housings and mounting of bearings is automatically adjusted.-Since the loading 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 inside, it is often used for a transmission shaft because it is easy to install and remove.[Application]-Ideal for areas where it is difficult to center the shaft and housing.
Days to Ship: | 8 Days or more |
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Deep Groove Ball Bearings - Open.
MISUMI
•Type : Ball
•Bearing Style : Open Type
•Load Direction : Radial
For complete product overview and details on Deep Groove Ball Bearing - Open Type, Single Row (MISUMI) see the sections below:
Days to Ship: | Same day or more |
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Angular Contact Ball Bearings - Single Row.
MISUMI
For complete product overview and details on Large Angular Contact Ball Bearing - Single Row (MISUMI) see the sections below:
Days to Ship: | Same day or more |
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Product Series |
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Specifications |
Type |
Inner/Outer Ring Material |
Bearing Style |
Outer Ring Shape |
Precision |
I.D. d(Ø) |
O.D. D(Ø) |
Width B(mm) |
Basic Dynamic Load Rating(N) |
Specifications, Environment |
Load Direction |
Number of Raceway Ring Rows |
Size Standards |
Rolling Element Material |
Brand | NTN | NSK | NSK | NTN | SPB-USA (Ezo) | NTN | NSK Micro Precision | Nachi-Fujikoshi | NTN | NTN | MISUMI | NTN | NICE BEARINGS | NTN | SPB-USA (Ezo) | SMT Bearing | MISUMI | MISUMI | MISUMI | MISUMI | NSK | NTN | MISUMI | MISUMI |
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Product Series | Deep Groove Ball Bearings - Standard Sizes, Single or Double Row. | Angular Contact Ball Bearings - Open, Single or Double Row, Steel or Stainless Steel. | Angular Contact Ball Bearings - With or Without Seals, Single or Double Row. | Large Size Deep Groove Ball Bearings - Stainless Steel, Single Row. | Small Deep Groove Ball Bearings - Flanged Option, Single Row. | Angular Contact Ball Bearings - Double Row, Selectable Orientation. | Deep Groove Ball Bearings - With retaining ring option, single row, 440C stainless steel. | |||||||||||||||||
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Type | Ball | Ball | Angular Bearing (Single) / Angular Bearing (Double) | Angular Bearing (Single) / Angular Bearing (Double) | Ball | Ball / Thrust Bearing | Ball | Ball | Thrust Bearing | Angular Bearing (Double) | Angular Bearing (Double) | Thrust Bearing | Ball | Angular Bearing (Single) / Angular Bearing (Double) | Ball | Ball | Thrust Bearing | Self-Aligning Ball | Ball | Angular Bearing (Single) | Thrust Bearing | Self-Aligning Ball | Ball | Angular Bearing (Single) |
Inner/Outer Ring Material | Steel | Steel / Stainless Steel | Steel / Stainless Steel | Steel | Stainless Steel | Steel / Stainless Steel | Steel / Stainless Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Stainless Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel |
Bearing Style | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type | Open Type |
Outer Ring Shape | Standard / With U-Shaped Groove | Standard / With Retaining Ring | Standard | Standard | Standard | Standard / With Retaining Ring | Standard / Flanged | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Spherical | Standard | Standard |
Precision | Class 0 (ABEC-1) / Class 4 (ABEC-7) / Class 5 | Class 0 (ABEC-1) / Class 4 (ABEC-7) / Class 5 | Class 0 (ABEC-1) / Class 4 (ABEC-7) / Class 5 | Class 0 (ABEC-1) / Class 4 (ABEC-7) / Class 5 | Class 0 (ABEC-1) | Class 0 (ABEC-1) | Class 0 (ABEC-1) | Class 0 (ABEC-1) | Class 0 (ABEC-1) / Class 5 | Class 0 (ABEC-1) | Class 0 (ABEC-1) | Class 0 (ABEC-1) | - | Class 0 (ABEC-1) / Class 2 / Class 4 (ABEC-7) / Class 5 | Class 0 (ABEC-1) | Class 0 (ABEC-1) | Class 0 (ABEC-1) | Class 0 (ABEC-1) | Class 0 (ABEC-1) | Class 4 (ABEC-7) | Class 0 (ABEC-1) | Class 0 (ABEC-1) | Class 0 (ABEC-1) | Class 0 (ABEC-1) |
I.D. d(Ø) | 10 ~ 300 | 1 ~ 460 | 6 ~ 200 | 10 ~ 150 | 10 ~ 50 | 2 ~ 9 | 1 ~ 10 | 10 ~ 160 | 30 ~ 320 | 17 ~ 75 | 10 ~ 50 | 10 ~ 100 | 8.1 (5/16") ~ 19.1 (3/4") | 10 ~ 90 | 3.175/0.1250 | 10 ~ 60 | 10 ~ 30 | 10 ~ 20 | 3 ~ 8 | 10 ~ 50 | 10 ~ 340 | 10 ~ 100 | 10 ~ 50 | 10 ~ 50 |
O.D. D(Ø) | 15 ~ 420 | 3 ~ 620 | 17 ~ 420 | 26 ~ 280 | 26 ~ 80 | 5 ~ 26 | 3 ~ 19 | 19 ~ 300 | 52 ~ 360 | 40 ~ 130 | 26 ~ 90 | 24 ~ 170 | 22.4 (7/8") ~ 50.8 (2") | 26 ~ 150 | 9.525/0.3750 | 19 ~ 110 | 24 ~ 52 | 30 ~ 52 | 6 ~ 24 | 26 ~ 80 | 24 ~ 430 | 30 ~ 215 | 15 ~ 90 | 26 ~ 90 |
Width B(mm) | 3 ~ 78 | 1 ~ 90 | 6 ~ 80 | 8 ~ 94 | 8 ~ 17 | 1.5 ~ 8 | 1 ~ 6 | 5 ~ 62 | 16 ~ 62 | 17.5 ~ 54 | 8 ~ 20 | 9 ~ 55 | 7.1 (9/32") ~ 14.5 (9/16") | 7 ~ 40 | 3.967/0.1562 | 5 ~ 27 | 9 ~ 16 | 9 ~ 15 | 2 ~ 8 | 8 ~ 16 | 9 ~ 112 | 9 ~ 60 | 3 ~ 20 | 8 ~ 20 |
Basic Dynamic Load Rating(N) | 855 ~ 355000 | 80 ~ 530000 | 2030 ~ 430000 | 4650 ~ 310000 | 3860 ~ 21810 | 171 ~ 4550 | 68 ~ 2340 | 1920 ~ 253000 | 29300 ~ 310000 | 14600 ~ 125000 | 1300 ~ 67000 | 10000 ~ 237000 | 2865 ~ 13198 | 4750 ~ 104000 | 631 | 1920 ~ 62000 | - | 5550 ~ 12700 | 209 ~ 3333 | 5300 ~ 26000 | 10100 ~ 550000 | 5500 ~ 142000 | 850 ~ 35000 | 5350 ~ 41500 |
Specifications, Environment | Standard | Standard | Standard / For High Speed | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | - | Standard / For High Speed | Standard | Heat Resistance / Antirust | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
Load Direction | Radial | Radial | Radial | Radial / Thrust | Radial | Radial / Thrust | Radial | Radial | Thrust | Radial | Radial | Thrust | Radial | Radial | Radial | Radial | Thrust | Radial | Radial | Radial | Thrust | Radial | Radial | Radial |
Number of Raceway Ring Rows | Single Track | Single Track | - | Single Track / Double Row | Single Track | Single Track | Single Track | Single Track | Single Track | Double Row | Double Row | Single Track | Single Track | Single Track / Double Row | Single Track | Single Track | Single Track | Double Row | Single Track | Single Track | Single Track | Double Row | Single Track | Single Track |
Size Standards | Metric Series | Metric Series | Metric Series | Metric Series | Metric Series | Metric Series | Metric Series | Metric Series | Metric Series | Metric Series | Metric Series | Metric Series | Inch Series | Metric Series | Inch Series | Metric Series | Metric Series | Metric Series | Metric Series | Metric Series | Metric Series | Metric Series | Metric Series | Metric Series |
Rolling Element Material | Steel | Steel / Stainless Steel | Steel / Stainless Steel | Steel | Stainless Steel | Steel / Stainless Steel | Steel / Stainless Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Stainless Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel |
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