Needle Roller Bearings
China Needle Roller Bearings manufacturer - High Quality, Factory Price，Offer Needle Roller Bearings OEM & ODM Service. Trade Assurance. Complete Specifications. Global After Sales.
Our goal is to exceed our customers’ expectation in providing quality bearing products and continue to improve the services we provide on a timely manner.
| Bearings Name | New Model | Old Model: | ID(mm) | OD(mm) | Width(mm) | Cr(kN) | Cor(kN) | Grease Lubrication Speed(r/min) | Oil Lubrication Speed(r/min) | Weight(kg) |
| FH45X55X38 Needle Roller Bearings | FH45X55X38 | 943/45 | 45 | 55 | 38 | - | - | - | - | 140g |
| FH40X50X38 Needle Roller Bearings | FH40X50X38 | 943/40 | 40 | 50 | 38 | - | - | - | - | 105g |
| F-4020 Needle Roller Bearings | F-4020 | 60941/40 | 40 | 47 | 20 | - | - | - | - | 56g |
| F35X43X16 Needle Roller Bearings | F35X43X16 | 941/35 | 35 | 43 | 16 | - | - | - | - | 41g |
| BK3516 Needle Roller Bearings | BK3516 | 45941/35 | 35 | 42 | 16 | - | - | - | - | 43.8g |
| KBK8X11X10 needle roller bearings | KBK8X11X10 | 39241/8 | 8 | 11 | 10 | - | - | - | - | 1.85g |
| KBK9X12X13 Needle Roller Bearings | KBK9X12X13 | 49241/9 | 9 | 12 | 13 | - | - | - | - | 2g |
| KZK22X28X16 Needle Roller Bearings | KZK22X28X16 | 29243/22K | 22 | 28 | 16 | - | - | - | - | 18g |
| KZK22X29X16 Needle Roller Bearings | KZK22X29X16 | 19244/22 | 22 | 29 | 16 | - | - | - | - | 19g |
| KZK25X30X28 Needle Roller Bearings | KZK25X30X28 | 69245/25 | 25 | 30 | 28 | - | - | - | - | 24g |
| KZK25X31X12 Needle Roller Bearings | KZK25X31X12 | 19243/25K | 25 | 31 | 12 | - | - | - | - | 16g |
| KZK25X31X17 Needle Roller Bearings | KZK25X31X17 | 39243/25 | 25 | 31 | 17 | - | - | - | - | 23g |
| KZK25X31X20 Needle Roller Bearings | KZK25X31X20 | 49243/25 | 25 | 31 | 20 | - | - | - | - | 26g |
| KZK25X32X16 Needle Roller Bearings | KZK25X32X16 | 19244/25 | 25 | 32 | 16 | - | - | - | - | 22.7g |
| KZK28X35X16 Needle Roller Bearings | KZK28X35X16 | 19243/28 | 28 | 35 | 16 | - | - | - | - | 27g |
| FH50X60X38 Needle Roller Bearings | FH50X60X38 | 943/50 | 50 | 60 | 38 | - | - | - | - | 145g |
| F-5020 Needle Roller Bearings | F-5020 | 50941/50 | 50 | 58 | 20 | - | - | - | - | 78g |
| SRF45 Needle Roller Bearings | SRF45 | SRF-45-SS | 31.75 | 51.15 | 25.773 | - | - | - | - | 0.95 |
| NQI50/25 Needle Roller Bearings | NQI50/25 | - | 50 | 68 | 25 | 47.4 | 90.4 | 8500 | - | 0.255 |
| NQIS45/22 Needle Roller Bearings | NQIS45/22 | - | 45 | 72 | 22 | 44.6 | 71.6 | 8300 | - | 0.341 |
Needle roller bearings are a type of rolling element bearing that uses cylindrical rollers with a small diameter compared to their length. They have a high load-carry capacity and are suitable for applications where radial space is limited.
Here are some key features and characteristics of needle roller bearings:
Design: Needle roller bearings consist a thin, cylindrical roller set that is guided by a cage. The rollers are typically longer than their diameter, providing a high radial load-carrying capacity.
Load Capacity: Due to their design, needle roller bearings can handle high radial loads while occupying minimal space. They are commonly used in applications with limited radial space but requiring high load-carrying capacity.
Versatility: Needle roller bearings are available in various designs and configurations to suit different application requirements. They can be found as single or double row bearings, with or without inner ring, and with different cage designs.
High Speed Capability: Needle roller bearings can operate at high speeds due to their low cross-sectional height and lightweight design. However, they may require additional lubrication provisions to manage the heat generated at high speeds.
Application Areas: Needle roller bearings are widely used in various industries and applications, including automotive transmissions, power tools, motorcycles, industrial machinery, printing presses, and more.
Lubrication: Proper lubrication is essential for the reliable operation of needle roller bearings. They can be lubricated with grease or oil, depending on the specific application requirements.
Mounting and Installation: Needle roller bearings can be mounted using various methods, such as press fits, interference fits, shaft and housing shoulders. It crucial to follow the manufacturer's guidelines for proper installation to ensure optimal performance and longevity.
When selecting needle roller bearings for a specific application, factors such as load requirements, speed, operating conditions, and space limitations should be considered. Consulting with a bearing supplier or engineer can help in choosing the right needle roller bearing for your application.
