KOYO BEARING

Product Categories

Hot Products

NK25/20A KOYO NEEDLE ROLLER BEARINGS

KOYO drawn cup needle roller bearings.

METRIC SERIES
When a rolling bearing is needed for a compact and economic design and where it is not practical to harden and grind the housing bore, or where the housing materials are of low rigidity such as cast iron, aluminum or even plastics – drawn cup needle roller bearings should be considered.

Get A Quote
Contact Us

KOYO NEEDLE ROLLER BEARINGS.

Various part numbers in stock, welcome inquiry. Fast shipment within 2-3 working days.

 
Shaft

Dia.

 Fw D C  

rs min.

 Bearing    Designation Load Ratings Fatigue

Load Limit

Cu

 Speed Ratings Approx.

Wt.
Dynamic Static
C C0 Grease Oil
mm

in

 mm

in

 mm

in

 mm

in

 mm

in

   kN

lbf

 kN min-1 kg

lbs
16

0.6299

 16

0.6299

 24

0.9449

 20

0.787

 0.3

0.012

 NK16/20A 15.4

3460

 20.2

4540

 3.20 18000 28000 0.036

0.079
  16

0.6299

 24

0.9449

 22

0.866

 0.3

0.012

 RNA6901 16.1

3620

 21.3

4790

 3.30 18000 28000 0.036

0.079
17

0.6693

 17

0.6693

 25

0.9843

 16

0.63

 0.3

0.012

 NK17/16A 13.6

3060

 17.5

3930

 2.70 17000 27000 0.027

0.060
  17

0.6693

 25

0.9843

 20

0.787

 0.3

0.012

 NK17/20A 15.4

3460

 20.4

4590

 3.25 17000 27000 0.034

0.075
18

0.7087

 18

0.7087

 26

1.0236

 16

0.63

 0.3

0.012

 NK18/16A 13.6

3060

 17.7

3980

 2.70 16000 25000 0.028

0.062
  18

0.7087

 26

1.0236

 20

0.787

 0.3

0.012

 NK18/20A 16.1

3620

 22.0

4950

 3.50 16000 25000 0.035

0.077
  18

0.7087

 30

1.1811

 16

0.63

 0.3

0.012

 NKS18A 15.9

3570

 16.2

3640

 2.45 17000 26000 0.045

0.099
19

0.748

 19

0.748

 27

1.063

 16

0.63

 0.3

0.012

 NK19/16A 14.1

3170

 19.0

4270

 2.90 15000 24000 0.029

0.064
  19

0.748

 27

1.063

 20

0.787

 0.3

0.012

 NK19/20A 18.8

4230

 23.6

5310

 3.75 15000 24000 0.037

0.082
20

0.7874

 20

0.7874

 28

1.1024

 13

0.512

 0.3

0.012

 RNA4902 11.8

2650

 15.3

3440

 2.35 14000 22000 0.023

0.051
  20

0.7874

 28

1.1024

 16

0.63

 0.3

0.012

 NK20/16A 14.1

3170

 19.1

4290

 2.90 14000 22000 0.030

0.066
  20

0.7874

 28

1.1024

 20

0.787

 0.3

0.012

 NK20/20A 17.5

3930

 25.3

5690

 4.00 14000 22000 0.038

0.084
  20

0.7874

 28

1.1024

 23

0.906

 0.3

0.012

 RNA6902A 18.4

4140

 26.9

6050

 4.20 14000 22000 0.042

0.093
  20

0.7874

 32

1.2598

 20

0.787

 0.6

0.024

 NKS20A 24.4

5490

 26.7

6000

 4.30 15000 24000 0.058

0.128
21

0.8268

 21

0.8268

 29

1.1417

 16

0.63

 0.3

0.012

 NK21/16A 15.3

3440

 21.6

4860

 3.30 14000 21000 0.032

0.071
  21

0.8268

 29

1.1417

 20

0.787

 0.3

0.012

 NK21/20A 18.1

4070

 26.9

6050

 4.25 14000 21000 0.040

0.088
22

0.8661

 22

0.8661

 30

1.1811

 13

0.512

 0.3

0.012

 RNA4903 12.2

2740

 16.4

3690

 2.50 13000 20000 0.025

0.055
  22

0.8661

 30

1.1811

 16

0.63

 0.3

0.012

 NK22/16A 15.2

3420

 21.7

4880

 3.30 13000 20000 0.033

0.073
  22

0.8661

 30

1.1811

 20

0.787

 0.3

0.012

 NK22/20A 18

4050

 27

6070

 4.30 13000 20000 0.041

0.090
  22

0.8661

 30

1.1811

 23

0.906

 0.3

0.012

 RNA6903A 19.8

4450

 30.6

6880

 4.75 13000 20000 0.056

0.123
  22

0.8661

 35

1.378

 20

0.787

 0.6

0.024

 NKS22A 22.9

5150

 27.1

6090

 4.30 14000 21000 0.069

0.152
24

0.9449

 24

0.9449

 32

1.2598

 16

0.63

 0.3

0.012

 NK24/16A 16.2

3640

 24.3

5460

 3.70 12000 18000 0.035

0.077
  24

0.9449

 32

1.2598

 20

0.787

 0.3

0.012

 NK24/20A 19.3

4340

 30.3

6810

 4.80 12000 18000 0.045

0.099
  24

0.9449

 37

1.4567

 20

0.787

 0.6

0.024

 NKS24A 29.1

6540

 32.8

7370

 5.30 13000 20000 0.073

0.161
25

0.9843

 25

0.9843

 33

1.2992

 16

0.63

 0.3

0.012

 NK25/16A 16.1

3620

 24.4

5490

 3.75 11000 17000 0.037

0.082
  25

0.9843

 33

1.2992

 20

0.787

 0.3

0.012

 NK25/20A 19.1

4290

 30.4

6830

 4.80 11000 17000 0.047

0.104
  25

0.9843

 37

1.4567

 17

0.669

 0.3

0.012

 RNA4904 21.3

4790

 25.5

5730

 3.95 12000 18000 0.061

0.134
  25

0.9843

 37

1.4567

 30

1.181

 0.3

0.012

 RNA6904A 36.6

8230

 51.0

11500

 7.95 12000 18000 0.091

0.201
WHCD Bearing Co.,Ltd is professional bearing supplier, engaged in bearing business with more than eighteen years, export to worldwide countries, as America, European, Middle-East, Southeast Asia …etc. with plenty long-term cooperation customers. WHCD Bearing company will provide professional and prompt solution for customers.Original Quality and Warranted, and Bearing experts team support customer service. Various bearing types for customer choose:  
Bearing Types:
Self-aligning ball bearing
Cylindrical roller bearing
Spherical roller bearing
Tapered roller bearing
Angular contact ball
Needle roller
Deep groove ball bearing
Axial deep groove ball
Pillow block bearing and units
LM/Linear Guide
Product Inquiry Form

Related products

Scroll to Top