SKF 6311-2RS1 1 Row Ball Bearing - 55 mm ID, 120 mm OD
- RS Stock No.:
- 764-3562
- Mfr. Part No.:
- 6311-2RS1
- Brand:
- SKF
Subtotal (1 unit)*
£53.31
(exc. VAT)
£63.97
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 7 unit(s) ready to ship from another location
- Plus 4 unit(s) shipping from 08 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £53.31 |
*price indicative
- RS Stock No.:
- 764-3562
- Mfr. Part No.:
- 6311-2RS1
- Brand:
- SKF
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | SKF | |
| Inside Diameter | 55 mm | |
| Product Type | Ball Bearing | |
| Outside Diameter | 120 mm | |
| Race Width | 29mm | |
| Cage Material | Sheet Metal | |
| Ball Material | Steel | |
| End Type | Sealed | |
| Number of Rows | 1 | |
| Static Load Rating | 45kN | |
| Dynamic Load Rating | 74.1kN | |
| Series | 6311 | |
| Standards/Approvals | No | |
| Bore Type | Parallel | |
| Limiting Speed | 3800rpm | |
| Bearing Type | Single Row Deep Groove Ball | |
| Race Type | Plain | |
| Select all | ||
|---|---|---|
Brand SKF | ||
Inside Diameter 55 mm | ||
Product Type Ball Bearing | ||
Outside Diameter 120 mm | ||
Race Width 29mm | ||
Cage Material Sheet Metal | ||
Ball Material Steel | ||
End Type Sealed | ||
Number of Rows 1 | ||
Static Load Rating 45kN | ||
Dynamic Load Rating 74.1kN | ||
Series 6311 | ||
Standards/Approvals No | ||
Bore Type Parallel | ||
Limiting Speed 3800rpm | ||
Bearing Type Single Row Deep Groove Ball | ||
Race Type Plain | ||
RoHS Status: Exempt
SKF Ball Bearing, 120mm Outside Diameter, 74.1 kN Dynamic Load Rating - 6311-2RS1
This ball bearing facilitates smooth rotational motion in various machinery applications. Its robust single row deep groove design ensures high efficiency and reliability, making it an essential component in automation, electronics, and mechanical industries. The dual sealing arrangement enhances durability by preventing contamination and ensuring longevity in challenging environments.
Features & Benefits
• High load capacity suitable for industrial applications
• Sealed on both sides to protect against contaminants
• Made from steel for increased strength and durability
• Designed as a single row deep groove ball bearing for efficient performance
• Parallel bore design allows for versatile installation options
• Enhanced static and dynamic load ratings for improved reliability
Applications
• Utilised in electric motor assemblies
• Suitable for machinery requiring robust performance
• Employed in automation systems for improved efficiency
• Used in conveyor systems where low friction is crucial
• Ideal for mechanical assemblies requiring reliable rotational support
What should be considered when installing this in a system?
Ensure the bearing is correctly aligned to the shaft and housing to prevent premature wear.
How does sealing influence its lifespan and performance?
Sealing prevents dust and moisture ingress, significantly enhancing lifespan and maintaining performance in harsh conditions.
What maintenance is required to ensure longevity?
Regular inspections and lubricant replacements are necessary to ensure smooth operation and prevent wear.
Are there specific compatibility requirements for this component?
It is essential that the cone and cup fit correctly within the designated space of your assembly.
Can this bearing operate effectively at high speeds?
Yes, it is designed for moderate high-speed applications, ensuring efficient operation within its load ratings.
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