What is the difference between ball bearing and roller bearing?

The contact between ball bearing and raceway is point contact, and the contact surface is oval when stressed. Because of the point contact, resisting force value is small, and the ball bearing is suitable for the application conditions of low torque and high rotational speed. They also have the characteristics of low noise. Ball bearings have low loading capacity but can bear radial and axial loads. The contact between roller bearing and raceway is line contact, and the contact surface is square when stressed. Because of the line contact, the torque of roller bearing is higher than that of ball bearing, and its rigidity is higher. Roller bearings have higher loading capacity, and cylindrical roller bearings have retaining edges to bear slight axial loads.

What is the classification of bearings according to the shape of rolling elements?

Rolling bearings are mainly divided into: ball bearings and roller bearings. Among them, ball bearings are divided into: deep groove ball bearings, angular contact bearings and radial thrust ball bearings. Roller bearings are divided into: cylindrical roller bearings, needle bearings, cone roller bearings and self-aligning roller bearings.

What is the classification of bearings according to load direction?

Bearing are divided into: radial bearings and thrust bearings according to the load direction. Among them, radial bearings are divided into: radial thrust ball bearings and radial roller bearings. Thrust bearings are divided into: thrust ball bearings and thrust roller bearings.

What is the basic rated life of rolling bearings?

The basic rated life of rolling bearings refers to the total number of revolutions that 90% of the ball bearings can rotate without peeling when eleven groups of ball bearings of the same kind and specification rotate respectively under the same conditions.

What is the contact angle of this angular contact ball bearing?

The contact angle of this angular contact ball bearing is 25 degrees, and the domestic common usage rate is relatively high.

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E-B7218

type Inner Dia. d Outer Dia. D Width B (or T) Basic Load Rating Cr (Dynamic) CAD Days to Ship

Specification/Dimensions

type
- E-B7□□□
Clear
Inner Dia. d(Ø)
10

12

15

17

20

25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

100
Clear
Outer Dia. D(Ø)
26

28

30

32

35

40

42

47

52

55

62

68

72

75

80

85

90

95

100

110

115

120

125

130

140

145

150

160

170

180
Clear
Width B (or T)(mm)
8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

28

30

32

34
Clear
Basic Load Rating Cr (Dynamic)(N)
4650

5000

5400

6100

6750

7450

8100

10200

10300

11300

14500

15300

17500

18700

21300

22200

23600

28100

31100

31900

33600

33700

37700

39400

42700

43600

48700

53400

54600

58900

65200

66600

67300

68400

69800

79200

85300

98600

113000

122000

137000
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day
Clear

Specify Alterations

Angular Contact Ball Bearings Single Row (E-B7218)

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MiSUMi Economy

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Product Description

Angular Contact Ball Bearings Single Row
Angular contact ball bearings single row are commonly used in applications that require high-speed and high-precision axial and radial loads. 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

Economy Angular Contact Ball Bearings

Angular contact ball bearings Single row bearings High-speed bearings

- High-Speed Precision: Achieve superior performance with our precision-engineered single row angular contact ball bearings.

- Versatile Sizes: Choose from a wide range of inner and outer diameters to fit your specific needs.

- Durable Load Capacity: Designed to handle high dynamic and static loads for long-lasting reliability.

- Superior Quality: Made with high-quality SUJ2 equivalent materials for enhanced durability and performance.

- Efficient Shipping Options: Available for same-day or expedited shipping to meet your project deadlines.

MISUMI Standard

Cheaper Price

Product Variety

3D CAD
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Part Number

Incomplete part number.
Please use left hand selections to complete a part number.

: 30; 45; 60

Part Number
E-B7218

Part Number	Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Inner Dia. d (Ø)	Outer Dia. D (Ø)	Width B (or T) (mm)	Basic Load Rating Cr (Dynamic) (N)	Allowable Rotational Speed (rpm)	Basic Load Rating Cor (Static) (N)	Weight (g)
	₹ 2,832.00	1 Piece(s)	Available	Same day	10	90	160	30	113000	4700	96700	2300

Basic Information

Raceway Ring Shape	Angular Bearing (Single)	Bearing Type	Open	Outer Ring Type	Flat
Inner/Outer Ring Material	SUJ2 Equiv.	Specifications, Environment	Standard	Precision (JIS)	Class 5
Load Direction	Radial / Thrust Load, Axial	Rolling Element Material	SUJ2 Equiv.	Size Standards	Metric System
Number of Raceway Ring Rows	Single Row

Please check the type/dimensions/specifications of the part E-B7218 in the Angular Contact Ball Bearings Single Row series.

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently asked question (FAQ)

Question: What is the difference between ball bearing and roller bearing?: Answer: The contact between ball bearing and raceway is point contact, and the contact surface is oval when stressed. Because of the point contact, resisting force value is small, and the ball bearing is suitable for the application conditions of low torque and high rotational speed. They also have the characteristics of low noise. Ball bearings have low loading capacity but can bear radial and axial loads. The contact between roller bearing and raceway is line contact, and the contact surface is square when stressed. Because of the line contact, the torque of roller bearing is higher than that of ball bearing, and its rigidity is higher. Roller bearings have higher loading capacity, and cylindrical roller bearings have retaining edges to bear slight axial loads.
Question: What is the classification of bearings according to the shape of rolling elements?: Answer: Rolling bearings are mainly divided into: ball bearings and roller bearings. Among them, ball bearings are divided into: deep groove ball bearings, angular contact bearings and radial thrust ball bearings. Roller bearings are divided into: cylindrical roller bearings, needle bearings, cone roller bearings and self-aligning roller bearings.
Question: What is the classification of bearings according to load direction?: Answer: Bearing are divided into: radial bearings and thrust bearings according to the load direction. Among them, radial bearings are divided into: radial thrust ball bearings and radial roller bearings. Thrust bearings are divided into: thrust ball bearings and thrust roller bearings.
Question: What is the basic rated life of rolling bearings?: Answer: The basic rated life of rolling bearings refers to the total number of revolutions that 90% of the ball bearings can rotate without peeling when eleven groups of ball bearings of the same kind and specification rotate respectively under the same conditions.
Question: What is the contact angle of this angular contact ball bearing?: Answer: The contact angle of this angular contact ball bearing is 25 degrees, and the domestic common usage rate is relatively high.

Check other FAQ (2 items) Hide

Product variants

Part Number
E-B7002
E-B7003
E-B7004
E-B7005
E-B7219
E-B7220

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	RoHS	Inner Dia. d (Ø)	Outer Dia. D (Ø)	Width B (or T) (mm)	Basic Load Rating Cr (Dynamic) (N)	Allowable Rotational Speed (rpm)	Basic Load Rating Cor (Static) (N)	Weight (g)
₹ 277.00	1 Piece(s)	Available	Same day Stock	10	15	32	9	6100	26000	3450	35
₹ 295.00	1 Piece(s)	Available	Same day Stock	10	17	35	10	6750	23000	4150	45
₹ 320.00	1 Piece(s)	Available	Same day Stock	10	20	42	12	10300	19000	6100	79
₹ 378.00	1 Piece(s)	Available	Same day Stock	10	25	47	12	11300	17000	7400	91
₹ 3,363.00	1 Piece(s)	Available	Same day Stock	10	95	170	32	122000	4400	103000	2780
₹ 4,053.00	1 Piece(s)	Available	Same day Stock	10	100	180	34	137000	4100	117000	3320

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