KOYO bearing

NA4909ARS KOYO Bearing

KOYO BEARING

NEEDLE ROLLER BEARINGS

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KOYO NEEDLE ROLLER BEARING

Shaft

Dia.

d D B C Fw  

rs min.

Bearing

Designation

Load Ratings Fatigue

Load Limit

Cu

Speed

Rating

Grease

Approx.

Wt.

                Dynamic Static      
                C C0      
mm

in

mm

in

mm

in

mm

in

mm

in

mm

in

mm

in

  kN

lbf

kN min-1 kg

lbs

10

0.3937

10

0.3937

22

0.8661

14

0.551

13

0.512

14

0.5512

0.3

0.012

NA4900ARS 7.76

1740

8.06

1810

1.20 14000 0.027

0.060

  10

0.3937

22

0.8661

14

0.551

13

0.512

14

0.5512

0.3

0.012

NA4900A.2RS 7.76

1740

8.06

1810

1.20 14000 0.027

0.060

12

0.4724

12

0.4724

24

0.9449

14

0.551

13

0.512

16

0.6299

0.3

0.012

NA4901ARS 8.64

1940

9.59

2160

1.45 12000 0.031

0.068

  12

0.4724

24

0.9449

14

0.551

13

0.512

16

0.6299

0.3

0.012

NA4901A.2RS 8.64

1940

9.59

2160

1.45 12000 0.031

0.068

15

0.5906

15

0.5906

28

1.1024

14

0.551

13

0.512

20

0.7874

0.3

0.012

NA4902ARS 9.77

2200

12.0

2700

1.80 9700 0.041

0.090

  15

0.5906

28

1.1024

14

0.551

13

0.512

20

0.7874

0.3

0.012

NA4902A.2RS 9.77

2200

12.0

2700

1.80 9700 0.041

0.090

17

0.6693

17

0.6693

30

1.1811

14

0.551

13

0.512

22

0.8661

0.3

0.012

NA4903ARS 10.1

2270

12.8

2880

1.95 8800 0.044

0.097

  17

0.6693

30

1.1811

14

0.551

13

0.512

22

0.8661

0.3

0.012

NA4903A.2RS 10.1

2270

12.8

2880

1.95 8800 0.044

0.097

20

0.7874

20

0.7874

37

1.4567

18

0.709

17

0.669

25

0.9843

0.3

0.012

NA4904ARS 18.5

4160

21.2

4770

3.30 7800 0.087

0.192

  20

0.7874

37

1.4567

18

0.709

17

0.669

25

0.9843

0.3

0.012

NA4904A.2RS 18.5

4160

21.2

4770

3.30 7800 0.087

0.192

25

0.9843

25

0.9843

42

1.6535

18

0.709

17

0.669

30

1.1811

0.3

0.012

NA4905ARS 21.0

4720

26.4

5930

4.10 6500 0.106

0.234

  25

0.9843

42

1.6535

18

0.709

17

0.669

30

1.1811

0.3

0.012

NA4905A.2RS 21.0

4720

26.4

5930

4.10 6500 0.106

0.234

30

1.1811

30

1.1811

47

1.8504

18

0.709

17

0.669

35

1.3780

0.3

0.012

NA4906ARS 22.5

5060

30.0

6740

4.65 5500 0.119

0.262

  30

1.1811

47

1.8504

18

0.709

17

0.669

35

1.3780

0.3

0.012

NA4906A.2RS 22.5

5060

30.0

6740

4.65 5500 0.119

0.262

35

1.3780

35

1.3780

55

2.1654

21

0.827

20

0.787

42

1.6535

0.6

0.024

NA4907ARS 29.1

6540

44.4

9980

6.85 4600 0.198

0.437

  35

1.3780

55

2.1654

21

0.827

20

0.787

42

1.6535

0.6

0.024

NA4907A.2RS 29.1

6540

44.4

9980

6.85 4600 0.198

0.437

40

1.5748

40

1.5748

62

2.4409

23

0.906

22

0.866

48

1.8898

0.6

0.024

NA4908ARS 38.6

8680

57.0

12800

9.10 4000 0.263

0.580

  40

1.5748

62

2.4409

23

0.906

22

0.866

48

1.8898

0.6

0.024

NA4908A.2RS 38.6

8680

57.0

12800

9.10 4000 0.263

0.580

45

1.7717

45

1.7717

68

2.6772

23

0.906

22

0.866

52

2.0472

0.6

0.024

NA4909ARS 39.4

8860

60.0

13500

9.60 3700 0.303

0.668

  45

1.7717

68

2.6772

23

0.906

22

0.866

52

2.0472

0.6

0.024

NA4909A.2RS 39.4

8860

60.0

13500

9.60 3700 0.303

0.668

50

1.9685

50

1.9685

72

2.8346

23

0.906

22

0.866

58

2.2835

0.6

0.024

NA4910ARS 41.2

9260

65.8

14800

10.5 3300 0.309

0.681

  50

1.9685

72

2.8346

23

0.906

22

0.866

58

2.2835

0.6

0.024

NA4910A.2RS 41.2

9260

65.8

14800

10.5 3300 0.309

0.681

ADYR Bearing Co.,Limited. has been engaged in bearing industry for many years, we provide a wide selections of brands including FAG bearing, FAG bearing, FAG bearing, NTN bearings, SKF bearings, deep groove ball bearings, cylindrical roller bearings, tapered roller bearings, self-aligning ball bearings,thrust ball bearings, rolling mill
bearings, spherical roller thrust bearings, spherical bearings, adapter sleeves, withdrawal sleeves, lock nut, lock washer,locking device, etc. We can provide bearing and non-standard bearings, linear bearings, automotive bearings, large bearings, railway bearings, spherical plain bearings, high temperature, super-precision bearings, as well as some rare types customized to your need.Middle East and Southeast Asia.Our goal is to exceed our customers’ expectation in providing quality products and continue to improve the services we
provide on a timely manner.Please view the products at our website that we can supply. You can also contact our sales representative to request a
price quotation on the products that you are looking for that may not been shown on our website.

You can get competitive price from our company. More information, please contact us  E-mail:sale@adyrbearing.com
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