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SKF Single Row Angular Contact Ball Bearing 55 mm ID 120 mm OD 29 mm Race Width QJ 311 MA
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | SKF |
| Model | QJ 311 MA |
| Series | SKF Explorer |
| Outside diameter | 120mm |
| Inside Diameter | 55mm |
| Number of Rows | 1 |
| Ball Material | Steel |
| Limiting Speed | 10000rpm |
| Internal Clearance | CN |
| End Type | Open |
| Bore Type | Parallel |
| Bearing Type | Single Row Angular Contact Ball |
| Cage Material | Machined Metal |
| Race Width | 29mm |
| Static Load Rating | 118kN |
| Dynamic Load Rating | 137kN |
| Contact Angle | 35° |
Key Features
- Designed for combined radial and axial loads with 35° contact angle.
- Equipped with machined metal cage and steel balls for durability.
- Open end type bearing facilitating easy lubrication.
- Supports high dynamic and static loads with 137 kN and 118 kN ratings respectively.
- Limiting speed up to 10,000 rpm for versatile industrial applications.
- Features a parallel bore suitable for mounting.
- Manufactured as part of the SKF Explorer series ensuring performance and reliability.
- Constructed in Germany with high quality standards.
Product Description
SKF QJ 311 MA single row angular contact ball bearing features an inside diameter of 55 mm, an outside diameter of 120 mm, and a race width of 29 mm. This bearing is designed to accommodate combined radial and axial loads simultaneously due to its 35° contact angle, improving axial load capacity. It is built with machined metal cage and steel balls, providing high durability and operational reliability in demanding industrial environments.
The open end type design allows for effective lubrication management, ensuring smooth operation and prolonged service life. With a static load rating of 118 kN and a dynamic load rating of 137 kN, this bearing can withstand significant mechanical stresses. It also supports a limiting speed of 10,000 rpm, making it suitable for applications requiring high rotational speeds.
The bearing includes a parallel bore, which simplifies mounting procedures in various shaft arrangements. As part of the SKF Explorer series, this product offers enhanced performance characteristics including improved precision and fatigue life. Manufactured in Germany, it reflects SKF's commitment to quality in product design and fabrication.
Designed for combined radial and axial loads with 35° contact angle. Equipped with machined metal cage and steel balls for durability. Open end type bearing facilitating easy lubrication. Supports high dynamic and static loads with 137 kN and 118 kN ratings respectively.
Limiting speed up to 10,000 rpm for versatile industrial applications. Manufactured under the SKF Explorer series for enhanced reliability. Produced in Germany ensuring product quality and consistency.
This single row angular contact ball bearing is ideal for use in industrial machinery, manufacturing equipment, automation, and other applications requiring precision rotary components. Its robust construction and performance attributes make it a trusted choice for professionals seeking long-lasting bearing solutions.
Explore a wide range of SKF bearings and other mechanical components at EnvMart for quality industrial parts and expert support.
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Frequently Asked Questions
The inside diameter of the QJ 311 MA bearing is 55 mm.
The outside diameter of this model is 120 mm.
The race width of the QJ 311 MA is 29 mm.
The static load rating for this bearing is 118 kN.
The dynamic load rating of the QJ 311 MA bearing is 137 kN.
The limiting speed of this bearing is up to 10,000 rpm.
The QJ 311 MA is a single row angular contact ball bearing.
The contact angle of the QJ 311 MA bearing is 35°.
This bearing is constructed with steel balls and a machined metal cage.
The QJ 311 MA bearing is manufactured in Germany.
The open end design of the bearing facilitates easy lubrication management.
The QJ 311 MA belongs to the SKF Explorer series.
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