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PRODUCT

Drawn cup needle roller bearings with closed ends of the series BK are constructed like drawn cup needle roller bearings of the series HK, but are closed on one side. They are used for shaft end mounting. The open end is not sealed. They can be used when the shaft is suitable as a raceway.


The original drawn cup needle roller bearing, as invented and introduced, employs a full complement of rollers. The full complement drawn cup bearing combines maximum capacity and low cost with the advantages of the drawn outer ring. The inward turned lips of the cup are used to mechanically retain the full complement of needle rollers to provide positive radial retention of the rollers even though it may be necessary to remove the shaft repeatedly during the servicing of the mechanism employing the bearing.


BK type caged drawn cup bearings have a steel cage which provides inward retention of the needle rollers. The design provides maximum cage strength consistent with the long life requirements. We also have available bearings with other cage designs. Bearings with reinforced plastic cages are for use where operating conditions permit.


Drawn cup needle roller bearings are also available with two needle roller and cage assemblies. They have a lubricating hole in the outer ring. Metric series drawn cup bearings with one needle roller and cage assembly may be made available on request with a lubricating hole, indicated by suffix.


Application

Scope of application: The drawn cup needle roller bearing with cage is suitable for high speed and heavy load, and is mostly used for gearbox or textile machinery of machine tools, automobiles and motorcycles. The stamped ferrule needle bearing without cage is filled with needle rollers and is suitable for oscillating working conditions under heavy loads. Such as the frame of the aircraft, the shaft end of the main wing of the missile, and so on.


Bearing Model

Shaft Diameter

(mm)

 Dimensions(mm)

Basic Load Rating(N)

Limiting Speed(rpm)

Weight(Kg)

Fw

D

C

Dyn.C

Stat.Co

Oil

BK0306

3

3

6.5

6

1320

950

6000

1.600

BK0408

4

4

8

8

1540

1070

40000

1.800

BK0509

5

5

9

9

2200

1790

36000

2.100

BK0608

6

6

10

8

1830

1550

32000

2.200

BK0609

6

6

10

9

2650

2400

30000

2.600

BK0709

7

7

11

9

2800

2150

27000

2.900

BK0808

8

8

12

8

2550

2400

21000

3.000

BK0810

8

8

12

10

3700

3450

21000

3.400

BK08X14X10

8

8

14

10

3800

3950

25000

5.800

BK0908

9

9

13

8

3650

4050

25000

3.400

BK0910

9

9

13

10

4050

4250

25000

4.300

BK0912

9

9

13

12

5000

6000

25000

4.900

BKl010

10

10

14

10

3900

4800

19000

4.300

BKl012

10

10

14

12

5000

6300

19000

5.000

BKl015

10

10

14

15

6700

7800

19000

6.200

BKl0X16X10

10

10

16

10

6800

8800

18000

6.800

BKl210

12

12

16

10

4150

5800

19000

5.200

BKl212

12

12

16

12

3800

5100

15000

6.200

BKl2X18X12

12

12

18

12

5500

6300

17000

10.300

BKl312

13

13

19

12

6200

7100

17000

11.200

BKl410

14

14

20

10

6700

7000

16000

12.100

BKl512

15

15

21

12

7000

8400

14000

12.700

BKl515

15

15

21

15

9800

11400

14000

14.200

BKl516

15

15

21

16

9800

11400

14000

16.500

BKl522

15

15

21

22

10400

16500

14000

22.000

BKl612

16

16

22

12

7100

9200

14000

13.800

BKl616

16

16

22

16

10100

14300

14000

17.600

BKl622

16

16

22

22

11100

17400

14000

23.400

BKl712

17

17

23

12

6900

9300

13000

14.500

BKl716

17

17

23

16

8500

12500

10000

14.600

BKl812

18

18

24

12

7100

9900

12000

14.900

BKl816

18

18

24

16

10600

15300

12000

19.900

BK2010

20

20

26

10

5900

7200

10000

14.000

BK2012

20

20

26

12

7600

10100

10000

16.700

BK2016

20

20

26

16

11700

29100

10000

22.300

BK2020

20

20

26

20

13700

24000

10000

27.100

BK2030

20

20

26

30

21800

40000

10100

43.000

BK2212

22

22

28

12

8100

10400

10100

18.100

BK2216

22

22

28

16

11400

18100

10100

24.300

BK2220

22

22

28

20

14500

25000

10100

29.900

BK2512

25

25

32

12

10000

14200

9000

23.200

BK2516

25

25

32

16

13600

50000

9000

31.000

BK2520

25

25

32

20

17900

30000

9000

38.700

BK2526

25

25

32

26

22500

42000

9000

49.000

BK2538

25

25

32

38

30000

58000

9000

69.000

BK2816

28

28

35

16

15400

22500

8700

34.100

BK2820

28

28

35

20

18900

32000

8700

43.000

BK3012

30

30

37

12

10100

16200

8100

27.900

BK3016

30

30

37

16

15200

27000

8100

37.100

BK3020

30

30

37

20

19700

33500

8100

46.500

BK3026

30

30

37

26

24000

50000

8100

59.400

BK3038

30

30

37

38

32500

74000

8100

82.500

BK3512

35

35

42

12

12100

19300

7100

32.900

BK3516

35

35

42

16

15700

27500

7100

43.800

BK3520

35

35

42

20

20800

41000

7100

54.800

BK3530

35

35

42

30

20801

41001

7101

58.400

BK4012

40

40

47

12

14000

24300

6300

38.200

BK4016

40

40

47

16

20000

38500

6300

51.000

BK4020

40

40

47

20

25500

52000

6300

62.000

BK4512

45

45

52

12

12900

22500

5800

45.000

BK4516

45

45

52

16

19300

38000

5800

56.000

BK4520

45

45

52

20

22000

51000

5800

72.000

BK5020

50

50

58

20

28000

60000

5300

87.300

BK5025

50

50

58

25

34500

80000

5300

109.000

BK5520

55

55

63

20

29500

59900

4600

93.800

BK5528

55

55

63

28

39090

98000

4600

132.000

BK6012

60

60

68

12

12400

29000

4100

77.000

BK6020

60

60

68

20

30500

72000

4100

105.000

BK6032

60

60

68

32

50000

131000

4100

164.000

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