Item No :
NK8/12Size (d*D*B) :
8x15x12mmMaterial :
chrome steel GCr15Lead Time :
3-5 daysWeight :
0.009KGPayment Terms :
100% T/T or 30% T/T before production, 70% before deliveryMOQ :
100 PCSPackage :
plastic bag, plastic tube or single box+Carton+PalletShipping Port :
Guangzhou, Ningbo, ShanghaiNK8/12 Single-row Needle Roller Bearing Without Inner Ring
⚙️product description:
NK8/12 is a single-row solid needle roller bearing. In the model number, "NK" indicates that the outer ring is equipped with double retaining rings and there is no inner ring in the structure of the needle roller bearing.
Structural features: The NK8/12 bearing is a single-row needle roller bearing without an inner ring. It consists of an outer ring and a needle roller retaining ring assembly. The outer ring has two non-separable flanges, which can function as an axial guiding bearing.
Performance parameters: NK8/12, Its basic rated dynamic load is 3.8kN, the basic rated static load is 4.25kN, the reference speed is 27000r/min, and the maximum speed is 32000r/min.
Materials and tolerances: The bearing material is chrome steel, the tolerance grade is ordinary grade, and the cage is made of steel.
| Model No. | d | D | H | m |
| NK5/10 | 5 mm | 10 mm | 10 mm | 3.1 g |
| NK5/12 | 5 mm | 10 mm | 12 mm | 3.7 g |
| NK6/10 | 6 mm | 12 mm | 10 mm | 4.7 g |
| NK6/12 | 6 mm | 12 mm | 12 mm | 5.7 g |
| NK7/10 | 7 mm | 14 mm | 10 mm | 6.9 g |
| NK7/12 | 7 mm | 14 mm | 12 mm | 8.2 g |
| NK8/12 | 8 mm | 15 mm | 12 mm | 8.7 g |
| NK8/16 | 8 mm | 15 mm | 16 mm | 12 g |
| NK9/12 | 9 mm | 16 mm | 12 mm | 10.3 g |
| NK9/16 | 9 mm | 16 mm | 16 mm | 12.8 g |
| NK10/12 | 10 mm | 17 mm | 12 mm | 10.1 g |
| NK10/16 | 10 mm | 17 mm | 16 mm | 13.3 g |
| NK12/12 | 12 mm | 19 mm | 12 mm | 12.1 g |
| NK12/16 | 12 mm | 19 mm | 16 mm | 15.9 g |
| NK14/16 | 14 mm | 22 mm | 16 mm | 20.7 g |
| NK14/20 | 14 mm | 22 mm | 20 mm | 25.5 g |
| NK15/16 | 15 mm | 23 mm | 16 mm | 21.8 g |
| NK15/20 | 15 mm | 23 mm | 20 mm | 26.6 g |
| F-110601.1 | 16 mm | 23 mm | 16 mm | 19 g |
| F-90525 | 16 mm | 23 mm | 22 mm | 25.6 g |
Due to its "small cross-section, high load-bearing" characteristics, it is widely applicable to:
Industrial equipment: transport vehicle rollers, cam mechanisms, rocker arm components, plastic molding machine sliders
Precision instruments: surgical instruments, machine transmission parts, antenna adjustment mechanisms
Automotive field: micro motor shaft ends, heater fan bearing units
| 1. Keep clean | 2. Use with caution | 3. appropriate tool | 4. Hot-loading | 5. Be careful of rust |
| Dust will have a bad effect on the bearing, so keep the surrounding clean. | Strong impact during use can easily cause scratches and indentations. | Avoid replacing existing tools, and use appropriate tools. | Bearings are precision parts, so hot installation is recommended. | Sweat on your hands during operation will cause rust, so it is best to wear gloves. |
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