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INA Needle Roller Bearing, 50 mm Inside Diameter, 80 mm Outside Diameter, Race Width 28 mm, Steel Cage NKIS50-XL
Specifications
| Country of Origin | India |
|---|---|
| Brand | INA |
| Model | NKIS50-XL |
| Outside diameter | 80mm |
| Inside Diameter | 50mm |
| Limiting Speed | 7400rpm |
| End Type | Open |
| Bore Type | Parallel |
| Bearing Type | Needle |
| Cage Material | Steel |
| Race Width | 28mm |
| Static Load Rating | 98kN |
| Dynamic Load Rating | 71kN |
| Maximum Speed - Oil | 7500rpm |
Key Features
- Designed with a steel cage for durability and strength.
- Features an open end type for ease of installation and maintenance.
- Static load rating of 98 kN ensures high load-carrying capacity.
- Dynamic load rating of 71 kN provides excellent performance under working conditions.
- Maximum speed rating of 7500 rpm when lubricated with oil or grease.
- Optimized raceway surfaces for longer bearing life as X-life bearings.
- Suitable for industrial, mechanical, and manufacturing equipment requiring compact needle roller bearings.
- Manufactured to exacting standards though no formal approvals are indicated.
Product Description
INA NKIS50-XL needle roller bearing is a high-performance component engineered for rotary and oscillating machinery requiring compact and durable bearing solutions. With a 50 mm inside diameter and 80 mm outside diameter, and a race width of 28 mm, this bearing is designed with a robust steel cage to ensure structural integrity and reliable operation under demanding mechanical loads.
This bearing features an open end type configuration, facilitating straightforward assembly and disassembly in various industrial applications. The static load rating of 98 kN and dynamic load rating of 71 kN provide excellent load carrying and fatigue resistance, extending equipment service life.
The needle roller bearing is rated for maximum speeds up to 7500 rpm when lubricated by oil or grease, with a slightly lower limiting speed at 7400 rpm, making it suitable for high-speed rotating machinery.
As part of INA's X-life series, these bearings benefit from optimized raceway surfaces, which enhance load capacity and rating life compared to standard needle roller bearings. This makes them ideal for use in industrial tools, mechanical machinery spares, automotive components, construction equipment, and manufacturing plants requiring durable rotary bearing units.
No formal standards or approvals are listed for this model; however, the precision manufacturing and material quality ensure reliable performance. The bearing is composed mainly of hardened steel components with a steel cage and parallel bore type.
Designed for professional, industrial, and mechanical use cases. Robust steel cage and machined outer rings ensure durability. Offers a balance of high load capacity and compact design. Suitable for maintenance and repair of rotary bearing assemblies.
Delivers extended bearing life under continuous operation. Explore additional INA Roller Bearings and mechanical spares for comprehensive machine maintenance and industrial applications available on EnvMart.
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Frequently Asked Questions
This model has an inside diameter of 50 mm, an outside diameter of 80 mm, and a race width of 28 mm.
The static load rating of the INA NKIS50-XL is 98 kN, providing excellent load-carrying capacity.
This bearing has a maximum speed rating of 7500 rpm when lubricated with oil or grease.
The INA NKIS50-XL features an open end type configuration, which allows for easier installation and maintenance.
The dynamic load rating of this model is 71 kN, ensuring reliable performance under working conditions.
The INA NKIS50-XL is primarily composed of hardened steel components with a steel cage.
The limiting speed for this bearing is 7400 rpm.
This needle roller bearing is suitable for industrial, mechanical, and manufacturing equipment requiring compact bearing solutions.
This model is part of INA's X-life series, featuring optimized raceway surfaces that enhance load capacity and rating life compared to standard bearings.
The bore type of this bearing is parallel, which is standard for needle roller bearings.
The INA NKIS50-XL is manufactured in India.
This needle roller bearing features a steel cage, providing strength and stability.
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