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Basic dimensions/mm

Height

Basic load ratings/Kn

Limiting speed (r/min)

Bearing code

(d)

(D)

(B) 

Cr（N)Basic

Cor(N）Basic

（Grease)

 (Oil) 

70000 C(AC,B)type

  Dynamic 

Static 

10

26

8

4.92

2.25

19000

28000

7000 C

26

8

4.75

2.12

19000

28000

7000 AC

30

9

5.82

2.95

18000

26000

7200 C

30

9

5.58

2.82

18000

26000

7200 AC

30

9

4.98

2.49

22000

30000

7200B

35

11

9.71

4.52

34000

47000

7300C

35

11

9.48

4.39

27000

37000

7300AC

35

11

8.75

4.05

22000

29000

7300B

12

28

8

5.42

2.65

18000

26000

7001 C

28

8

5.2

2.55

18000

26000

7001 AC

32

10

7.35

3.52

17000

24000

7201 C

32

10

7.1

3.35

17000

24000

7201 AC

32

10

7.43

4.31

20000

27000

7201B

37

12

9.97

4.75

31000

43000

7301C

37

12

9.69

4.59

25000

34000

7301AC

37

12

8.84

4.19

19000

26000

7301B

15

32

9

6.25

3.42

17000

24000

7002 C

32

9

5.95

3.25

17000

24000

7002 AC

35

11

8.68

4.62

16000

22000

7202 C

35

11

8.35

4.4

16000

22000

7202 AC

35

11

7.93

4.31

17000

24000

7202B

42

13

13.2

6.75

27000

37000

7302C

42

13

12.8

6.54

21000

29000

7302AC

42

13

12.45

6.58

17000

22000

7302B

17

35

10

6.6

3.85

16000

22000

7003 C

35

10

6.3

3.68

16000

22000

7003 AC

40

12

10.8

5.95

15000

20000

7203 C

40

12

10.5

5.65

15000

20000

7203 AC

40

12

9.93

5.54

15000

21000

7203B

47

14

15.7

8.24

24000

33000

7303C

47

14

15.2

7.99

19000

27000

7303AC

47

14

14.8

8.02

15000

20000

7303B

20

42

12

10.5

6.08

14000

19000

7004 C

42

12

10

5.78

14000

19000

7004 AC

47

14

14.5

8.22

13000

18000

7204 C

47

14

14

7.82

13000

18000

7204 AC

47

14

14

7.85

13000

18000

7204 B

52

15

18.5

9.96

21000

29000

7304C

52

15

17.9

9.62

17000

24000

7304AC

52

15

17.3

9.67

13000

18000

7304B

25

47

12

11.5

7.45

12000

17000

7005 C

47

12

11.2

7.08

12000

17000

7005 AC

52

15

16.5

10.5

11000

16000

7205 C

52

15

15.8

9.88

11000

16000

7205 AC

52

15

15.8

9.45

9500

14000

7205 B

62

17

26

14.5

18000

24000

7305C

62

17

25.2

14.1

14000

20000

7305AC

62

17

26.2

15.2

8500

12000

7305 B

30

55

13

15.2

10.2

9500

14000

7006 C

55

13

14.5

9.85

9500

14000

7006 AC

62

16

23

15

9000

13000

7206 C

62

16

22

14.2

9000

13000

7206 AC

62

16

20.5

13.8

8500

12000

7206 B

72

19

32.2

20.1

15000

21000

7306C

72

19

31

19.3

12000

17000

7306AC

72

19

31

19.2

7500

10000

7306 B

35

62

14

19.5

14.2

8500

12000

7007 C

62

14

18.5

13.5

8500

12000

7007 AC

72

17

30.5

20

8000

11000

7207 C

72

17

29

19.2

8000

11000

7207 AC

72

17

27

18.8

7500

10000

7207 B

80

21

38.5

25.5

13000

18000

7307C

80

21

37

24.5

11000

15000

7307AC

80

21

38.2

24.5

7000

9500

7307 B

40

68

15

20

15.2

8000

11000

7008 C

68

15

19

14.5

8000

11000

7008 AC

80

18

36.8

25.8

7500

10000

7208 C

80

18

35.2

24.5

7500

10000

7208 AC

80

18

32.5

23.5

6700

9000

7208 B

90

23

40.7

27.1

12000

16000

7308C

90

23

39

25.8

9500

13000

7308AC

90

23

46.2

30.5

6300

8500

7308 B

110

27

67

47.5

6000

8000

7408 B

45

75

16

25.8

20.5

7500

10000

7009 C

75

16

25.8

19.5

7500

10000

7009 AC

85

19

38.5

28.5

6700

9000

7209 C

85

19

36.8

27.2

6700

9000

7209 AC

85

19

36

26.2

6300

8500

7209 B

100

25

68.9

45.8

11000

14000

7309C

100

25

66.4

44

8600

12000

7309AC

100

25

59.5

39.8

6000

8000

7309 B

50

80

16

26.5

22

6700

9000

7010 C

80

16

25.2

21

6700

9000

7010 AC

90

20

42.8

32

6300

8500

7210 C

90

20

40.8

30.5

6300

8500

7210 AC

90

20

37.5

29

5600

7500

7210 B

110

27

80.2

54.4

9600

13000

7310C

110

27

77.3

52.4

7700

11000

7310AC

110

27

68.2

48

5000

6700

7310 B

Basic dimensions/mm

Height

Basic load ratings/Kn

Limiting speed (r/min)

Bearing code

(d)

(D)

(B) 

Cr（N)Basic

Cor(N）Basic

（Grease)

 (Oil) 

70000 C(AC,B)type

  Dynamic 

Static 

55

90

18

36.40 

29.10 

10000

14000

7011C

90

18

34.5

27.6

8800

12000

7011AC

100

21

52.9

39.9

10000

14000

7211C

100

21

50.5

38.2

8500

12000

7211AC

100

21

46.3

36.1

6100

8200

7211B

120

29

86.6

60

8800

12000

7311C

120

29

83.3

57.9

7100

9800

7311AC

120

29

78.8

56.3

4900

6900

7311B

60

95

18

39

33.1

9600

13500

7012C

95

18

37

21.4

8300

11600

7012AC

110

22

61

48.3

9100

13000

7212C

110

22

58.2

46

7800

11000

7212AC

110

22

56.1

44.4

5700

7600

7212B

130

31

99.1

70

8100

11000

7312C

130

31

95.3

67.3

6500

9100

7312AC

130

31

90

65.5

4500

6300

7312B

65

100

18

41.5

37.2

9000

13000

7013C

100

18

39.3

35.4

7800

11000

7013AC

120

23

60.7

49.3

8400

12000

7213C

120

23

57.7

47.1

7100

9900

7213AC

120

23

63.6

52.6

5200

7000

7213B

140

33

112.2

80.5

7500

10000

7313C

140

33

107.9

77.4

6000

8400

7313AC

140

33

101.8

75.4

4200

5900

7313B

70

110

20

49.9

45.5

8300

11500

7014C

110

20

47.3

43.3

7100

10000

7014AC

125

24

76.1

63.5

8000

11000

7214C

125

24

72.5

60.6

6800

9400

7214AC

125

24

69.1

57.8

4900

6500

7214B

150

35

126.2

91.9

7000

9500

7314C

150

35

121.3

88.3

5600

7800

7314AC

150

35

114.4

86

4400

5800

7314B

75

115

20

51.2

48.3

7800

11000

7015C

115

20

48.5

46

6700

9500

7015AC

130

25

75.9

64.4

7600

10500

7215C

130

25

72.2

61.5

6400

9000

7215AC

130

25

68.6

58.3

4500

6000

7215B

160

37

137.5

104.1

6500

8900

7315C

160

37

132.1

100

5300

7300

7315AC

160

37

124.5

97.3

4100

5400

7315B

80

125

22

58.7

55.2

7300

10000

7016C

125

22

55.5

52.5

6300

8800

7016AC

140

26

93.2

81.5

7100

9800

7216C

140

26

88.7

78.0 

6000

8300

7216AC

140

26

80.5

69.2

4300

5700

7216B

170

39

149.0 

116.9

6100

8400

7316C

170

39

143.1

112.2

5000

6900

7316AC

170

39

134.8

109.2

3800

5100

7316B

85

130

22

60.2

58.6

6900

9800

7017C

130

22

56.9

55.5

6000

8400

7017AC

150

28

92.4

78.9

6600

9200

7217C

150

28

87.9

75.3

5600

7800

7217AC

150

28

79.7

70.2

4000

5300

7217B

180

41

160.7

130.5

5800

7900

7317C

180

41

154.3

125.3

4700

6500

7317AC

180

41

145.4

121.8

3600

4800

7317B

90

140

24

66.6

65.8

6500

9100

7018C

140

24

63

62.4

5600

7850

7018AC

160

30

122.6

104.8

6200

8600

7218C

160

30

116.9

99.9

5300

7300

7218AC

160

30

106.6

93.7

3800

5000

7218B

190

43

183.1

158

5500

7500

7318C

190

43

175.7

151.7

4400

6200

7318AC

190

43

156.2

135.2

3400

4500

7318B

95

145

24

73.5

73.2

6200

8750

7019C

145

24

69.5

69.3

5300

7500

7019AC

170

32

132.6

111.9

5900

8200

7219C

170

32

126.5

106.8

5000

6900

7219AC

170

32

115.8

100.6

3500

4700

7219B

200

45

185

159.8

5200

7100

7319C

200

45

177.6

153.5

4200

5800

7319AC

200

45

167.2

149.2

3200

4200

7319B

100

150

24

75.3

77.2

6000

8400

7020C

150

24

71.2

73.1

5100

7200

7020AC

180

34

149

126.9

5600

7700

7220C

180

34

142.1

121.2

4700

6600

7220AC

180

34

130.2

114.3

3400

4500

7220B

215

47

222.1

206.8

4900

6700

7320C

215

47

213.6

198.6

3900

5500

7320AC

215

47

190.1

177.4

3000

4000

7320B
  • 7003C 7 Series Angular Contact Bearings
    • 7003C 7 Series Angular Contact Bearings
    7003C
    7003C
    Product Parameters

    Basic dimensions/mm

    (d)

    17

    (D)

    35

    Height

      (B) 

    10

    Basic load ratings/Kn

    Cr（N)Basic

      Dynamic 

    6.60

    Cor(N）Basic

        Static 

    3.85

        Limiting speed (r/min)

    （Grease)

    16000

     (Oil) 

    22000

    Bearing code

    70000 C(AC,B)type

    7003C
    Contact Us
  • 7003AC 7 Series Angular Contact Bearings
    • 7003AC 7 Series Angular Contact Bearings
    7003AC
    7003AC
    Product Parameters

    Basic dimensions/mm

    (d)

    17

    (D)

    35

    Height

      (B) 

    10

    Basic load ratings/Kn

    Cr（N)Basic

      Dynamic 

    6.30

    Cor(N）Basic

        Static 

    3.68

        Limiting speed (r/min)

    （Grease)

    16000

     (Oil) 

    22000

    Bearing code

    70000 C(AC,B)type

    7003AC
    Contact Us
  • 7203C 7 Series Angular Contact Bearings
    • 7203C 7 Series Angular Contact Bearings
    7203C
    7203C
    Product Parameters

    Basic dimensions/mm

    (d)

    17

    (D)

    40

    Height

      (B) 

    12

    Basic load ratings/Kn

    Cr（N)Basic

      Dynamic 

    10.80

    Cor(N）Basic

        Static 

    5.95

        Limiting speed (r/min)

    （Grease)

    15000

     (Oil) 

    20000

    Bearing code

    70000 C(AC,B)type

    7203C
    Contact Us
  • 7203AC 7 Series Angular Contact Bearings
    • 7203AC 7 Series Angular Contact Bearings
    7203AC
    7203AC
    Product Parameters

    Basic dimensions/mm

    (d)

    17

    (D)

    40

    Height

      (B) 

    12

    Basic load ratings/Kn

    Cr（N)Basic

      Dynamic 

    10.50

    Cor(N）Basic

        Static 

    5.65

        Limiting speed (r/min)

    （Grease)

    15000

     (Oil) 

    20000

    Bearing code

    70000 C(AC,B)type

    7203AC
    Contact Us
  • 7004C 7 Series Angular Contact Bearings
    • 7004C 7 Series Angular Contact Bearings
    7004C
    7004C
    Product Parameters

    Basic dimensions/mm

    (d)

    20

    (D)

    42

    Height

      (B) 

    12

    Basic load ratings/Kn

    Cr（N)Basic

      Dynamic 

    10.50

    Cor(N）Basic

        Static 

    6.08

        Limiting speed (r/min)

    （Grease)

    14000

     (Oil) 

    19000

    Bearing code

    70000 C(AC,B)type

    7004C
    Contact Us
  • 7004AC 7 Series Angular Contact Bearings
    • 7004AC 7 Series Angular Contact Bearings
    7004AC
    7004AC
    Product Parameters

    Basic dimensions/mm

    (d)

    20

    (D)

    42

    Height

      (B) 

    12

    Basic load ratings/Kn

    Cr（N)Basic

      Dynamic 

    10.00

    Cor(N）Basic

        Static 

    5.78

        Limiting speed (r/min)

    （Grease)

    14000

     (Oil) 

    19000

    Bearing code

    70000 C(AC,B)type

    7004AC
    Contact Us
  • 7204C 7 Series Angular Contact Bearings
    • 7204C 7 Series Angular Contact Bearings
    7204C
    7204C
    Product Parameters

    Basic dimensions/mm

    (d)

    20

    (D)

    47

    Height

      (B) 

    14

    Basic load ratings/Kn

    Cr（N)Basic

      Dynamic 

    14.50

    Cor(N）Basic

        Static 

    8.22

        Limiting speed (r/min)

    （Grease)

    13000

     (Oil) 

    18000

    Bearing code

    70000 C(AC,B)type

    7204C
    Contact Us
  • 7204AC 7 Series Angular Contact Bearings
    • 7204AC 7 Series Angular Contact Bearings
    7204AC
    7204AC
    Product Parameters

    Basic dimensions/mm

    (d)

    20

    (D)

    47

    Height

      (B) 

    14

    Basic load ratings/Kn

    Cr（N)Basic

      Dynamic 

    14.00

    Cor(N）Basic

        Static 

    7.82

        Limiting speed (r/min)

    （Grease)

    13000

     (Oil) 

    18000

    Bearing code

    70000 C(AC,B)type

    7204AC
    Contact Us
  • 7204B 7 Series Angular Contact Bearings
    • 7204B 7 Series Angular Contact Bearings
    7204B
    7204B
    Product Parameters

    Basic dimensions/mm

    (d)

    20

    (D)

    47

    Height

      (B) 

    14

    Basic load ratings/Kn

    Cr（N)Basic

      Dynamic 

    14.00

    Cor(N）Basic

        Static 

    7.85

        Limiting speed (r/min)

    （Grease)

    13000

     (Oil) 

    18000

    Bearing code

    70000 C(AC,B)type

    7204B
    Contact Us
  • 7005C 7 Series Angular Contact Bearings
    • 7005C 7 Series Angular Contact Bearings
    7005C
    7005C
    Product Parameters

    Basic dimensions/mm

    (d)

    25

    (D)

    47

    Height

      (B) 

    12

    Basic load ratings/Kn

    Cr（N)Basic

      Dynamic 

    11.50

    Cor(N）Basic

        Static 

    7.45

        Limiting speed (r/min)

    （Grease)

    12000

     (Oil) 

    17000

    Bearing code

    70000 C(AC,B)type

    7005C
    Contact Us
  • 7005AC 7 Series Angular Contact Bearings
    • 7005AC 7 Series Angular Contact Bearings
    7005AC
    7005AC
    Product Parameters

    Basic dimensions/mm

    (d)

    25

    (D)

    47

    Height

      (B) 

    12

    Basic load ratings/Kn

    Cr（N)Basic

      Dynamic 

    11.20

    Cor(N）Basic

        Static 

    7.08

        Limiting speed (r/min)

    （Grease)

    12000

     (Oil) 

    17000

    Bearing code

    70000 C(AC,B)type

    7005AC
    Contact Us
  • 7205C 7 Series Angular Contact Bearings
    • 7205C 7 Series Angular Contact Bearings
    7205C
    7205C
    Product Parameters

    Basic dimensions/mm

    (d)

    25

    (D)

    52

    Height

      (B) 

    15

    Basic load ratings/Kn

    Cr（N)Basic

      Dynamic 

    16.50

    Cor(N）Basic

        Static 

    10.50

        Limiting speed (r/min)

    （Grease)

    11000

     (Oil) 

    16000

    Bearing code

    70000 C(AC,B)type

    7205C
    Contact Us

About Us

Yuyao Kangtian Bearing Co., LTD., founded in 1993, currently the company wholly-owned two factories, 7 Series Angular Contact Bearings Suppliers and 7 Series Angular Contact Bearings Company covers an area of 31000 square meters, the annual production capacity of about 40 million sets of bearings. The company has won the title of national high-tech enterprise, Ningbo environmental protection model green enterprise, national Level three quality safety standardization enterprise, registered trademark "TTBC" and "Hemudu HMD".

The company relies on many years of professional manufacturing experience and technical foundation, and has passed ISO9001 and ISO14001 mode for product quality control and management, especially in the automobile and motorcycle bearing manufacturing, thin-wall and special bearing design and development of Wholesale 7 Series Angular Contact Bearingsquality advantages. Products are currently exported to more than 20 countries and regions around the world. At the same time, we have long been supporting and producing all kinds of bearings for many world-renowned companies, and have maintained a good cooperative relationship for many years.

Certificate

  • ISO 14001
  • ISO 9001
  • ISO 14001
  • ISO 9001
  • High-tech enterprise
  • Invention Patent
  • ISO 45001 Occupational Health and Safety Management System Certification
  • ISO 45001 Occupational Health and Safety Management System Certification
  • Work Safety Standardization
  • Ningbo Bearing Industry Association
  • Once rated as a well-known trademark in Ningbo City
  • Environmental Protection Model Factory

News

Contact us now

Industry Knowledge Extension

In what application scenarios does 7 Series Angular Contact Bearings perform best?

The best performance of 7 Series Angular Contact Bearings is usually reflected in the following application scenarios. Through an in-depth understanding of its characteristics and usage conditions, we can more specifically explore its advantages in practical applications.
First of all, in the application of high-speed rotating machinery, the excellent performance of 7 Series Angular Contact Bearings has been widely recognized. These bearings use advanced materials and precision manufacturing processes to ensure extremely low friction and heat generation while rotating at high speeds. Its unique structural design enables the bearing to have excellent dynamic balance during high-speed operation, thereby reducing vibration and noise and improving the operating efficiency and stability of the equipment. Therefore, 7 Series Angular Contact Bearings are ideal for applications such as power tools, machine tool spindles, and electric motors that require high-speed rotation.
Secondly, in application scenarios that require high-precision positioning, 7 Series Angular Contact Bearings also demonstrate its unique advantages. These bearings have high-precision inner and outer rings and rolling elements that provide extremely small radial and axial clearances to ensure the positioning accuracy and repeatability of the equipment. In fields such as automated machinery, CNC machine tools, and industrial robots, extremely high precision requirements are required. 7 Series Angular Contact Bearings can meet these requirements and provide reliable guarantee for the high-precision operation of equipment.
Additionally, 7 Series Angular Contact Bearings perform well in heavy-duty work environments. They are designed with materials and structures with high load-bearing capacity and can withstand large loads and impact forces. In applications such as large mechanical equipment, construction machinery, and heavy machine tools, these bearings can operate stably, ensuring the long-term reliability and efficiency of the equipment.
At the same time, 7 Series Angular Contact Bearings also have good rigidity and temperature adaptability. Its unique structural design and high-quality materials enable the bearing to maintain stable performance in applications with high stiffness requirements. In addition, these bearings can maintain stable performance in environments with large temperature changes and adapt to various harsh working environments.
To sum up, 7 Series Angular Contact Bearings have demonstrated excellent performance in application scenarios with high-speed rotation, high-precision positioning, heavy-load work and high stiffness requirements. However, to ensure optimal performance, correct installation, maintenance and lubrication are also crucial. During the installation process, it is necessary to strictly follow the operating procedures to ensure the matching accuracy of the bearing, the shaft and the seat hole; in terms of maintenance, it is necessary to regularly check the operation and lubrication status of the bearing, and replace seriously worn parts in a timely manner; in terms of lubrication, it is necessary to Choose appropriate lubricants and lubrication methods to ensure good lubrication of the bearings.
By having an in-depth understanding of the characteristics and usage conditions of 7 Series Angular Contact Bearings, combined with the needs of actual application scenarios, we can better select and use these bearings to maximize their effectiveness and provide strong support for the stable operation and efficient production of equipment.