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.

Is the universal pairing a single or a double one? What is the accuracy grade?

The universal pairing type is sold individually and the accuracy grade reaches P4 grade.

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E-B7207SU

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□□□SU
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 Universal Combination (E-B7207SU)

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MiSUMi Economy

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Economy Angular Contact Ball Bearings

Cost-effective bearingsPrecision engineeringFactory automation components

- Affordable alternative without compromising on quality

- Available in various sizes

- JIS Class 4 precision ensures reliable performance

- Versatile for factory automation systems

- Made from durable GCr15 (Equivalent to SUJ2) material

MISUMI Standard

Cheaper Price

Product Variety

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Part Number

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: 30; 45; 60

Part Number
E-B7207SU

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)
	₹ 1,101.00	1 Piece(s)	Available	Same day	10	35	72	17	28100	11000	18600	295

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 4
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-B7207SU in the Angular Contact Ball Bearings Single Row Universal Combination 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.
Question: Is the universal pairing a single or a double one? What is the accuracy grade?: Answer: The universal pairing type is sold individually and the accuracy grade reaches P4 grade.

Check other FAQ (3 items) Hide

Product variants

Part Number
E-B7003SU
E-B7004SU
E-B7005SU
E-B7208SU
E-B7209SU
E-B7210SU

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)
₹ 708.00	1 Piece(s)	Available	Same day Stock	10	17	35	10	6750	23000	4150	45
₹ 747.00	1 Piece(s)	Available	Same day Stock	10	20	42	12	10300	19000	6100	79
₹ 853.00	1 Piece(s)	Available	Same day Stock	10	25	47	12	11300	17000	7400	91
₹ 1,478.00	1 Piece(s)	Available	Same day Stock	10	40	80	18	33600	10000	23300	382
₹ 1,545.00	1 Piece(s)	Available	Same day Stock	10	45	85	19	37700	9400	26600	430
₹ 1,622.00	1 Piece(s)	Available	Same day Stock	10	50	90	20	39400	8500	41300	485

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