
RNA6918 needle roller bearing,RNA series,double row
RNA6918 bearing specifications:
Fw | 105 mm | ||
D | 125 mm | ||
C | 63 mm | ||
rmin | 1,1 mm | ||
m | 1330 g | Mass | |
Cr | 195000 N | Basic dynamic load rating, radial | |
C0r | 425000 N | Basic static load rating, radial | |
Cur | 74000 N | Fatigue limit load, radial | |
nG | 4400 1/min | Limiting speed | |
nB | 2550 1/min | Reference speed | |
Double row |
Table of RNA & NK SERIES needle roller bearings:
shaft | Bearing No. | Boundary Dimensions | Basic Loading Capacity | Lomiting Speed | ||||
FW | D | C | rS | Dynamic | Stactic | Oil | ||
C | Co | |||||||
mm | mm | Min. | N | rpm | ||||
5 | +NK 5/10 TN | 5 | 10 | 10 | 0.15 | 2350 | 1920 | 39000 |
+NK 5/12 TN | 5 | 10 | 12 | 0.15 | 3000 | 2650 | 39000 | |
6 | +NK 6/10 TN | 6 | 12 | 10 | 0.15 | 2600 | 2280 | 37000 |
+NK 6/12 TN | 6 | 12 | 12 | 0.15 | 3350 | 3150 | 37000 | |
7 | +NK 7/10 TN | 7 | 14 | 10 | 0.3 | 2850 | 2650 | 34000 |
+NK 7/12 TN | 7 | 14 | 12 | 0.3 | 3650 | 3600 | 34000 | |
8 | +NK 8/12 TN | 8 | 15 | 12 | 0.3 | 3950 | 4100 | 32000 |
+NK 8/16 TN | 8 | 15 | 16 | 0.3 | 5100 | 5800 | 32000 | |
+NKS 8 TN | 8 | 16 | 13 | 0.3 | 5000 | 4700 | 32000 | |
9 | +NK 9/12 TN | 9 | 16 | 12 | 0.3 | 4500 | 5000 | 31000 |
+NK 9/16 TN | 9 | 16 | 16 | 0.3 | 5900 | 7100 | 31000 | |
10 | +NK 10/12 TN | 10 | 17 | 12 | 0.3 | 4750 | 5500 | 29000 |
+NK 10/16 TN | 10 | 17 | 16 | 0.3 | 6200 | 7800 | 29000 | |
+NKS 10 TN | 10 | 19 | 13 | 0.3 | 5800 | 6000 | 29000 | |
12 | NK 12/12 | 12 | 19 | 12 | 0.3 | 6400 | 7100 | 27000 |
NK 12/16 | 12 | 19 | 16 | 0.3 | 9000 | 11000 | 27000 | |
+NKS 12 TN | 12 | 22 | 16 | 0.6 | 9600 | 10400 | 26000 | |
14 | NK 14/16 | 14 | 22 | 16 | 0.3 | 10100 | 11500 | 25000 |
NK 14/20 | 14 | 22 | 20 | 0.3 | 12800 | 15600 | 25000 | |
+NKS 14 | 14 | 25 | 16 | 0.6 | 14400 | 13800 | 24000 | |
RNA 4900 | 14 | 22 | 13 | 0.3 | 8500 | 9200 | 25000 | |
15 | NK 15/16 | 15 | 23 | 16 | 0.3 | 10700 | 12700 | 24000 |
NK 15/20 | 15 | 23 | 20 | 0.3 | 13600 | 17200 | 24000 | |
+NKS 15 | 15 | 26 | 16 | 0.6 | 14400 | 14000 | 23000 | |
16 | NK 16/16 | 16 | 24 | 16 | 0.3 | 11300 | 13900 | 23000 |
NK 16/20 | 16 | 24 | 20 | 0.3 | 14400 | 18800 | 23000 | |
+NKS 16 | 16 | 28 | 16 | 0.6 | 15700 | 15800 | 22000 | |
RNA 4901 | 16 | 24 | 13 | 0.3 | 9400 | 10900 | 23000 | |
RNA 6901 | 16 | 24 | 22 | 0.3 | 16000 | 21600 | 23000 | |
17 | NK 17/16 | 17 | 25 | 16 | 0.3 | 11900 | 15000 | 23000 |
NK 17/20 | 17 | 25 | 20 | 0.3 | 15100 | 20400 | 23000 | |
18 | NK 18/16 | 18 | 26 | 16 | 0.3 | 12500 | 16200 | 22000 |
NK 18/20 | 18 | 26 | 20 | 0.3 | 15800 | 22000 | 22000 | |
+NKS 18 | 18 | 30 | 16 | 0.6 | 16800 | 17700 | 21000 | |
19 | NK 19/16 | 19 | 27 | 16 | 0.3 | 13000 | 17400 | 22000 |
NK 19/20 | 19 | 27 | 20 | 0.3 | 16500 | 23600 | 22000 | |
20 | NK20/16 | 20 | 28 | 16 | 0.3 | 13000 | 17500 | 21000 |
NK20/20 | 20 | 28 | 20 | 0.3 | 16400 | 23800 | 21000 | |
NKS 20 | 20 | 32 | 20 | 0.6 | 23000 | 25000 | 20000 | |
RNA4902 | 20 | 28 | 13 | 0.3 | 10600 | 13600 | 21000 | |
RNA6902 | 20 | 28 | 23 | 0.3 | 17300 | 25500 | 21000 | |
21 | NK21/16 | 21 | 29 | 16 | 0.3 | 13500 | 18700 | 21000 |
NK21/20 | 21 | 29 | 20 | 0.3 | 17100 | 25500 | 21000 | |
22 | NK22/16 | 22 | 30 | 16 | 0.3 | 14000 | 19900 | 20000 |
NK22/20 | 22 | 30 | 20 | 0.3 | 17700 | 27000 | 20000 | |
NKS 22 | 22 | 35 | 20 | 0.6 | 24500 | 28000 | 18000 | |
RNA4903 | 22 | 30 | 13 | 0.3 | 11000 | 14600 | 20000 | |
RNA6903 | 22 | 30 | 23 | 0.3 | 18600 | 29000 | 20000 | |
24 | NK24/16 | 24 | 32 | 16 | 0.3 | 15000 | 22300 | 18000 |
NK24/20 | 24 | 32 | 20 | 0.3 | 19000 | 30500 | 18000 | |
NKS24 | 24 | 34 | 20 | 0.6 | 26000 | 31000 | 17000 | |
25 | NK25/16 | 25 | 33 | 16 | 0.3 | 14900 | 22400 | 18000 |
NK25/20 | 25 | 33 | 20 | 0.3 | 18800 | 30500 | 18000 | |
NKS 25 | 25 | 38 | 20 | 0.6 | 27500 | 33500 | 17000 | |
RNA4904 | 25 | 37 | 17 | 0.3 | 21000 | 25500 | 17000 | |
RNA6904 | 25 | 37 | 30 | 0.3 | 36000 | 51000 | 17000 | |
26 | NK26/16 | 26 | 34 | 16 | 0.3 | 15300 | 23600 | 17000 |
NK26/20 | 26 | 34 | 20 | 0.3 | 19400 | 32000 | 17000 | |
28 | NK28/20 | 28 | 37 | 20 | 0.3 | 22000 | 34000 | 16000 |
NK28/30 | 28 | 37 | 30 | 0.3 | 33000 | 57000 | 16000 | |
NKS28 | 28 | 42 | 20 | 0.6 | 28500 | 36500 | 15000 | |
RNA49/22 | 28 | 39 | 17 | 0.3 | 22800 | 29500 | 15000 | |
RNA69/22 | 28 | 39 | 30 | 0.3 | 37500 | 55000 | 15000 | |
29 | NK29/20 | 29 | 38 | 20 | 0.3 | 21900 | 34000 | 15000 |
NK29/30 | 29 | 38 | 30 | 0.3 | 32500 | 57000 | 15000 | |
30 | NK30/20 | 30 | 40 | 20 | 0.3 | 22600 | 36000 | 15000 |
NK30/30 | 30 | 40 | 30 | 0.3 | 33500 | 60000 | 15000 | |
NKS30 | 30 | 45 | 22 | 0.6 | 32000 | 40000 | 14000 | |
RNA4905 | 30 | 42 | 17 | 0.3 | 23600 | 31500 | 14000 | |
RNA6905 | 30 | 42 | 30 | 0.3 | 39000 | 59000 | 14000 | |
32 | NK32/20 | 32 | 42 | 20 | 0.3 | 23100 | 37500 | 14000 |
NK32/30 | 32 | 42 | 30 | 0.3 | 34500 | 63000 | 14000 | |
NKS32 | 32 | 47 | 22 | 0.6 | 33500 | 43500 | 13000 | |
RNA49/28 | 32 | 45 | 17 | 0.3 | 24400 | 33500 | 14000 | |
RNA69/28 | 32 | 45 | 30 | 0.3 | 40500 | 63000 | 14000 | |
35 | NK 35/20 | 35 | 45 | 20 | 0.3 | 24300 | 41500 | 13000 |
NK 35/30 | 35 | 45 | 30 | 0.3 | 36500 | 69000 | 13000 | |
NKS35 | 35 | 50 | 22 | 0.6 | 35000 | 47000 | 12000 | |
RNA4906 | 35 | 47 | 17 | 0.3 | 25000 | 35500 | 13000 | |
RNA6906 | 35 | 47 | 30 | 0.3 | 43500 | 71000 | 13000 | |
37 | NK 37/20 | 37 | 47 | 20 | 0.3 | 24900 | 43500 | 12000 |
NK 37/30 |
ZHEJIANG TOP BEARINGS CO., LTD.
ZHEJIANG TOP BEARINGS CO., LTD. is a manufacturer and distribution of sliding bearings. Our products have been widely applied to more than 30 industries like automobile, engineering machinery, metallurgy, water conservancy and hydroelectric power and mechanical manufacturing. Also we can design for customer's specific requirement.
We have reformed boldly, absorbed social elites through strengthening talent training, fully implemented modern management mechanism and new marketing strategy and been dedicated to long-term development of self-lubricating bearing industry. To control quality strictly, we set up a complete quality management system (ISO9001 and ISO/TS16949) in the quality policy of “Top Quality, Top Credit, Sustainable Growth”. Our quality and performance have reached advanced level.
To expand more markets, stand on the word and meet diversified requirements of customers, we are actively expanding and integrating with international markets. Now our products are available in more than 20 countries and regions in Western Europe, America and Southeast Asia. We’ll strengthen industrial horizontal integration further, create scale effect, open up emerging fields and develop industrial advantages to realize our strategic target and create a bright future with friends.