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KOYO NEEDLE ROLLER BEARING K50X55X20H

Radial needle roller and cage assemblies have a steel cage that

provides both inward and outward retention for the needle rollers.

The designs provide maximum cage strength consistent with the

inherent high load-ratings of needle roller bearings. Accurate

guidance of the needle rollers by the cage bars allows for operation

at high speeds. Needle roller and cage assemblies have either one

or two rows of needle rollers.

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KOYO BEAIRNG

Shaft

Dia.

 

Fw

 

Ew

Bc 

Assembly

Designation

Load RatingsFatigue

Load Limit

Cu

Speed Ratings 

Approx.

Wt.

Mounting Dimensions
   -0.20 -0.008

-0.55 -0.022

 DynamicStatic   SH
     CC0 GreaseOil Max.Min.Max.Min.
mm

in

mm

in

mm

in

mm

in

 kN

lbf

kNmin-1kg

lbs

mm

in

mm

in

mm

in

mm

in

47

1.8504

47

1.8504

52

2.0472

17

0.669

K47X52X17H24.2

5440

50.4

11330

7.85580089000.032

0.071

47.000

1.8504

46.989

1.8500

52.029

2.0484

52.010

2.0476

 47

1.8504

52

2.0472

27

1.063

K47X52X27H36.6

8230

85.9

19310

13.3580089000.045

0.099

47.000

1.8504

46.989

1.8500

52.029

2.0484

52.010

2.0476

 47

1.8504

55

2.1654

28

1.102

K47X55X28FV148.9

10990

89.5

20120

14.0600092000.092

0.203

47.000

1.8504

46.989

1.8500

55.029

2.1665

55.010

2.1657

48

1.8898

48

1.8898

53

2.0866

17

0.669

K48X53X17H25.7

5780

54.9

12340

8.55570087000.032

0.071

48.000

1.8898

47.989

1.8893

53.029

2.0878

53.010

2.0870

 48

1.8898

54

2.126

19

0.748

K48X54X19H30.9

6950

61.2

13760

9.85570088000.042

0.093

48.000

1.8898

47.989

1.8893

54.029

2.1271

54.010

2.1264

49

1.9291

49

1.9291

55

2.1654

32

1.26

K49X55X32HZW40.2

9040

86.4

19420

13.4560086000.080

0.176

49.000

1.9291

48.989

1.9287

55.029

2.1665

55.010

2.1657

 49

1.9291

65

2.5591

38

1.496

K49X65X38H100

22480

142

31920

22.7610093000.244

0.538

49.000

1.9291

48.989

1.9287

65.029

2.5602

65.010

2.5594

50

1.9685

50

1.9685

55

2.1654

17

0.669

K50X55X17H25.5

5730

55.0

12360

8.55540084000.032

0.071

50.000

1.9685

49.989

1.9681

55.029

2.1665

55.010

2.1657

 50

1.9685

55

2.1654

20

0.787

K50X55X20H30.2

6790

68.5

15400

10.7540084000.038

0.084

50.000

1.9685

49.989

1.9681

55.029

2.1665

55.010

2.1657

 50

1.9685

55

2.1654

30

1.181

K50X55X3038.2

8590

92.4

20770

14.4540084000.057

0.120

50.000

1.9685

49.989

1.9681

55.029

2.1665

55.010

2.1657

 50

1.9685

55

2.1654

30

1.181

K50X55X30FV138.2

8590

92.4

20770

14.4540084000.057

0.126

50.000

1.9685

49.989

1.9681

55.029

2.1665

55.010

2.1657

 50

1.9685

56

2.2047

23

0.906

K50X56X2335.5

7980

74.1

16660

11.7550085000.051

0.112

50.000

1.9685

49.989

1.9681

56.029

2.2059

56.010

2.2051

 50

1.9685

57

2.2441

18

0.709

K50X57X18FH31.3

7040

56.4

12680

8.95550085000.050

0.110

50.000

1.9685

49.989

1.9681

57.029

2.2452

57.010

2.2445

 50

1.9685

58

2.2835

20

0.787

K50X58X20H38.8

8720

67.8

15240

10.8560086000.065

0.143

50.000

1.9685

49.989

1.9681

58.029

2.2846

58.010

2.2839

 50

1.9685

58

2.2835

25

0.984

K50X58X25H46.5

10450

85.6

19240

13.4560086000.081

0.179

50.000

1.9685

49.989

1.9681

58.029

2.2846

58.010

2.2839

 50

1.9685

58

2.2835

35

1.378

K50X58X35H64.9

14590

131

29450

20.6560086000.105

0.231

50.000

1.9685

49.989

1.9681

58.029

2.2846

58.010

2.2839

 50

1.9685

62

2.4409

30

1.181

K50X62X30H64.6

14520

98.1

22050

15.5580089000.136

0.300

50.000

1.9685

49.989

1.9681

62.029

2.4421

62.010

2.4413

has been engaged in bearing industry for many years, we provide a wide selections of brands, including FAG bearing, SKF bearing, NSK bearing, Nachi bearing, TIMKEN bearing, THK Linear Guide and Linear Block …ect. 

Bearing typies including standard 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.

Our bearings are exported to countries and regions in Europe (the UK, France, Italy, Germany), North America (USA, Canda),

Middle East and Southeast Asia.

Contact us if any bearing in demand . we will check and revert ASAP.

CMTG BEARING CO.,LIMITED.  has been engaged in bearing industry for many years, we provide a wide selections of brands, including FAG bearing, SKF bearing,NSK bearing,Nachi bearing, TIMKEN bearing, THK Linear Guide and Linear Block …ect.

Bearing typies including standard 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.

Contact us if any bearing in demand . we will check and revert ASAP.

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