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| Categories | Steel Needle Roller Bearing |
|---|---|
| Brand Name: | NEKIB OR FUMSB |
| Model Number: | NKI 38/20 |
| Certification: | ISO9001,IATF16949 |
| Place of Origin: | CHANGZHOU,CHINA |
| MOQ: | 100 |
| Price: | 0.1-100$ one piece |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 300kpcs,30days |
| Delivery Time: | 5-8 work days |
| Packaging Details: | Roll or single box |
| Model: | NKI 38/20 |
| HS Code: | 8482400000 |
| Material: | Bearing Steel |
| Specification: | 38MM |
| Precision Rating: | P0 P2 P4 P5 P6 |
| Sample: | Trademark Netural Transport Package |
| Seals type: | open |
| Feature: | Long Life |
| Company Info. |
| changzhou fums bearing co.,ltd |
| View Contact Details |
| Product List |
RNA,NK,NA,NKI,Solid collar needle roller bearing with high speed,With&Without Inner Ring
needle roller bearing without inner ring.
Needle Roller Bearings have a high load carrying capacity and can
operate at high speeds. They have slim design and are suited where
radial space is limited. They are available with or without an
inner ring.
Needle roller bearings with inner rings are used if the shaft
cannot be used as a raceway.
Drawings and parameters:
No inner ring solid ferrule needle bearing RNA, NK series.



| Shaft diameter | Model | Boundary Dimensions | Basic load rating | Limiting speed | ||||
| FW | D | C | rS | dynamic | static | oil | ||
| C | Co | |||||||
| mm | mm | Min. | N | rpm | ||||
| 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 | 37 | 47 | 30 | 0.3 | 37000 | 73000 | 12000 | |
| NKS37 | 37 | 52 | 22 | 0.6 | 36500 | 50000 | 12000 | |
| 38 | NK 38/20 | 38 | 48 | 20 | 0.3 | 25500 | 45000 | 12000 |
| NK 38/30 | 38 | 48 | 30 | 0.3 | 38000 | 76000 | 12000 | |
| 40 | NK 40/20 | 40 | 50 | 20 | 0.3 | 26000 | 47000 | 11000 |
| NK 40/30 | 40 | 50 | 30 | 0.3 | 39000 | 79000 | 11000 | |
| NKS40 | 40 | 55 | 22 | 0.6 | 38000 | 54000 | 11000 | |
| RNA49/32 | 40 | 52 | 20 | 0.6 | 30500 | 47500 | 11000 | |
| RNA69/32 | 40 | 52 | 36 | 0.6 | 47000 | 82000 | 11000 | |
| 42 | NK 42/20 | 42 | 52 | 20 | 0.3 | 26500 | 49000 | 11000 |
| NK 42/30 | 42 | 52 | 30 | 0.3 | 39500 | 82000 | 11000 | |
| RNA4907 | 42 | 55 | 20 | 0.6 | 31500 | 50000 | 11000 | |
| RNA6907 | 42 | 55 | 36 | 0.6 | 48000 | 86000 | 11000 | |
| 43 | NK 43/20 | 43 | 53 | 20 | 0.3 | 27000 | 51000 | 11000 |
| NK 42/30 | 43 | 53 | 30 | 0.3 | 40500 | 85000 | 11000 | |
| NKS43 | 43 | 58 | 22 | 0.6 | 39000 | 57000 | 10000 | |
| 45 | NK 45/20 | 45 | 55 | 20 | 0.3 | 27500 | 53000 | 10000 |
| NK 45/30 | 45 | 55 | 30 | 0.3 | 41000 | 88000 | 10000 | |
| NKS45 | 45 | 60 | 22 | 0.6 | 40500 | 60000 | 10000 | |
| 47 | NK 47/20 | 47 | 57 | 20 | 0.3 | 28500 | 56000 | 10000 |
| NK 47/30 | 47 | 57 | 30 | 0.3 | 43000 | 94000 | 10000 | |
| 48 | RNA4908 | 48 | 62 | 22 | 0.6 | 43000 | 67000 | 9000 |
| RNA6908 | 48 | 62 | 40 | 0.6 | 66000 | 116000 | 9000 | |
| 50 | NK 50/25 | 50 | 62 | 25 | 0.6 | 38000 | 74000 | 9000 |
| NK 50/35 | 50 | 62 | 35 | 0.6 | 55000 | 106000 | 9000 | |
| NKS50 | 50 | 65 | 22 | 1 | 42500 | 67000 | 9000 | |
| 52 | RNA4909 | 52 | 68 | 22 | 0.6 | 45000 | 73000 | 8500 |
| RNA6909 | 52 | 68 | 40 | 0.6 | 69000 | 127000 | 8500 | |
| 55 | NK 55/25 | 55 | 68 | 25 | 0.6 | 40000 | 82000 | 8500 |
| NK 55/35 | 55 | 68 | 35 | 0.6 | 53000 | 118000 | 8500 | |
| NKS55 | 55 | 72 | 22 | 1 | 45000 | 74000 | 8000 | |
| 58 | RNA4910 | 58 | 72 | 22 | 0.6 | 47000 | 80000 | 8000 |
| RNA6910 | 58 | 72 | 40 | 0.6 | 73000 | 139000 | 8000 | |
| 60 | NK 60/25 | 60 | 72 | 25 | 0.6 | 42000 | 90000 | 7500 |
| NK 60/35 | 60 | 72 | 35 | 0.6 | 56000 | 130000 | 7500 | |
| NKS60 | 60 | 80 | 28 | 1.1 | 63000 | 98000 | 7500 | |
| 63 | RNA4911 | 63 | 80 | 25 | 1 | 58000 | 100000 | 7000 |
| RNA6911 | 63 | 80 | 45 | 1 | 90000 | 176000 | 7000 | |
| 65 | NK 65/25 | 65 | 78 | 25 | 0.6 | 44000 | 98000 | 7000 |
| NK 65/35 | 65 | 78 | 35 | 0.6 | 59000 | 142000 | 7000 | |
| NKS65 | 65 | 85 | 28 | 1.1 | 67000 | 108000 | 7000 | |
| 68 | NK 68/25 | 68 | 82 | 25 | 0.6 | 43500 | 89000 | 7000 |
| ML 68/35 | 68 | 82 | 35 | 0.6 | 62000 | 139000 | 7000 | |
| RNA4912 | 68 | 85 | 25 | 1 | 60000 | 108000 | 6500 | |
| RNA6912 | 68 | 85 | 45 | 1 | 94000 | 191000 | 6500 | |
| 70 | NK 70/25 | 70 | 85 | 25 | 0.6 | 44500 | 92000 | 6500 |
| NK 70/35 | 70 | 85 | 35 | 0.6 | 63000 | 144000 | 6500 | |
| NKS70 | 70 | 90 | 28 | 1.1 | 68000 | 113000 | 6500 | |
| 72 | RNA4913 | 72 | 90 | 25 | 1 | 61000 | 112000 | 6500 |
| RNA6913 | 72 | 90 | 45 | 1 | 95000 | 198000 | 6500 | |
| 73 | NK 73/25 | 73 | 90 | 25 | 1 | 53000 | 100000 | 6500 |
| NK 73/35 | 73 | 90 | 35 | 1 | 75000 | 156000 | 6500 | |
| 75 | NK 75/25 | 75 | 92 | 25 | 1 | 54000 | 104000 | 6000 |
| NK 75/35 | 75 | 92 | 35 | 1 | 77000 | 162000 | 6000 | |
| NKS75 | 75 | 95 | 28 | 1.1 | 71000 | 123000 | 6000 | |
| 80 | NK 80/25 | 80 | 95 | 25 | 1 | 56000 | 119000 | 6000 |
| NK 80/35 | 80 | 95 | 35 | 1 | 78000 | 184000 | 6000 | |
| NKS80 | 80 | 100 | 28 | 1.1 | 75000 | 133000 | 5500 | |
| RNA4914 | 80 | 100 | 30 | 1 | 84000 | 156000 | 5500 | |
| RNA6914 | 80 | 100 | 54 | 1 | 128000 | 265000 | 5500 | |
and so on.
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