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| Categories | Needle Roller Bearing |
|---|---|
| Brand Name: | IKO/ NSK/INA |
| Model Number: | NA4917 |
| Certification: | ISO 9001 2000 |
| Place of Origin: | China or Japan |
| MOQ: | 1PCS |
| Price: | 1 USD |
| Payment Terms: | T/T, Western Union |
| Supply Ability: | 10000PCS/Month |
| Delivery Time: | 5 working days |
| Packaging Details: | Single packing + standard export packing |
| Bearing type: | Needle Roller Bearing |
| Material: | Bearing Steel |
| Quality Standard: | ISO9001:2008 |
| Size: | 85x120x35 mm |
| Company Info. |
| Wuxi Guangqiang Bearing Trade Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
NA Series Steel Thrust Needle - Roller Bearings NA4917 NA5917 NA6917 85x120x35 mm
Needle roller bearing :
Needle Roller Bearing (needle bearing) is a cylindrical roller with roller bearings, relative to its diameter, roller both thin and long. This is called needle roller. Despite having a smaller cross-section, has a higher load bearing capacity, equipped with a thin and long needle bearing roller (roller diameter D≤5mm, L / D≥2.5, L is the length of the roller), so radial structure is compact, its diameter size and load capacity and other types of bearings, minimum diameter, especially for radial dimensions limited support structure.
Part of the bearing specification :
| NO. | NO. | SIZE (MM) | BASIC LOAD RATING (KN) | LIMITING SPEED | |||||
| with inner | without inner | d | D | B | rs/min | C | C0 | r/min | |
| NA495 | RNA495 | 5 | 13 | 10 | 0.15 | 2.24 | 2.02 | 27200 | |
| NA496 | RNA496 | 6 | 15 | 10 | 0.15 | 3.14 | 2.62 | 25600 | |
| NA497 | RNA497 | 7 | 17 | 10 | 0.15 | 2.44 | 2.77 | 24000 | |
| NA498 | RNA498 | 8 | 19 | 11 | 0.2 | 4.71 | 3.82 | 22400 | |
| NA499 | RNA499 | 9 | 20 | 11 | 0.3 | 5.02 | 4.79 | 20800 | |
| NA4900 | RNA4900 | 10 | 22 | 13 | 0.3 | 8.5 | 9.2 | 25000 | |
| NA4901 | RNA4901 | 12 | 24 | 13 | 0.3 | 9.4 | 10.9 | 24000 | |
| NA4902 | RNA4902 | 15 | 28 | 13 | 0.3 | 10.6 | 13.6 | 22000 | |
| NA4903 | RNA4903 | 17 | 30 | 13 | 0.3 | 11 | 14.6 | 21000 | |
| NA4904 | RNA4904 | 20 | 37 | 17 | 0.3 | 21 | 25.5 | 17000 | |
| NA49/22 | RNA49/22 | 22 | 39 | 17 | 0.3 | 22.8 | 29.5 | 16000 | |
| NA4905 | RNA4905 | 25 | 42 | 17 | 0.3 | 23.6 | 31.5 | 15000 | |
| NA49/28 | RNA49/28 | 28 | 45 | 17 | 0.3 | 24.4 | 33.5 | 13000 | |
| NA4906 | RNA4906 | 30 | 47 | 17 | 0.3 | 25 | 35.5 | 13000 | |
| NA49/32 | RNA49/32 | 32 | 52 | 20 | 0.6 | 30.5 | 47.5 | 12000 | |
| NA4907 | RNA4907 | 35 | 55 | 20 | 0.6 | 31.5 | 50 | 11000 | |
| NA4908 | RNA4908 | 40 | 62 | 22 | 0.6 | 43 | 67 | 9500 | |
| NA4909 | RNA4909 | 45 | 68 | 22 | 0.6 | 45 | 73 | 8500 | |
| NA4910 | RNA4910 | 50 | 72 | 22 | 0.6 | 47 | 80 | 8000 | |
| NA4911 | RNA4911 | 55 | 80 | 25 | 1 | 58 | 100 | 7500 | |
| NA4912 | RNA4912 | 60 | 85 | 25 | 1 | 60 | 108 | 7000 | |
| NA4913 | RNA4913 | 65 | 90 | 25 | 1 | 61 | 112 | 6500 | |
| NA4914 | RNA4914 | 70 | 100 | 30 | 1 | 84 | 156 | 6000 | |
| NA4915 | RNA4915 | 75 | 105 | 30 | 1 | 86 | 162 | 5500 | |
| NA4916 | RNA4916 | 80 | 110 | 30 | 1 | 89 | 174 | 5000 | |
| NA4917 | RNA4917 | 85 | 120 | 35 | 1.1 | 111 | 237 | 4800 | |
| NA4918 | RNA4918 | 90 | 125 | 35 | 1.1 | 114 | 250 | 4300 | |
| NA4919 | RNA4919 | 95 | 130 | 35 | 1.1 | 116 | 260 | 4400 | |
| NA4920 | RNA4920 | 100 | 140 | 40 | 1.1 | 128 | 270 | 4100 | |
| NA4922 | RNA4922 | 110 | 150 | 40 | 1.1 | 132 | 290 | 3800 | |
| NA4924 | RNA4924 | 120 | 165 | 45 | 1.1 | 181 | 390 | 3400 | |
| NA4926 | RNA4926 | 130 | 180 | 50 | 1.5 | 203 | 470 | 3200 | |



Our advantages:
1. Manufacturer,the most competive price and good quality
2. Perfect group of technical engineers give you the best support
3.Well-trained group of international sales provide the best service
4.OEM brand aviliable
5.Rich stock and quick delivery
QC:
We have complete process for the production and quality assurance
to make sure our products can meet your requirement. And our
quality can compare with the most chinese famous bearing
manufacture. we have the same technology. Such as
1. Assembly
2. Windage test
3. Cleaning
4. Rotary test
5. Greasing and gland
6. Noise inspection
7. Appearance inspection
8. Rust prevention
9. Product packaging
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