NTN 6311ZZC4/5K 1 Row Ball Bearing - 55 mm ID, 120 mm OD
- RS Stock No.:
- 704-521
- Mfr. Part No.:
- 6311ZZC4/5K
- Brand:
- NTN
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Subtotal (1 unit)*
£89.09
(exc. VAT)
£106.91
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 13 July 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £89.09 |
*price indicative
- RS Stock No.:
- 704-521
- Mfr. Part No.:
- 6311ZZC4/5K
- Brand:
- NTN
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | NTN | |
| Product Type | Ball Bearing | |
| Inside Diameter | 55mm | |
| Outside Diameter | 120mm | |
| Race Width | 29mm | |
| Cage Material | Steel | |
| Race Material | Steel | |
| Ball Material | Steel | |
| End Type | Shielded | |
| Number of Rows | 1 | |
| Internal Clearance | C4 | |
| Static Load Rating | 45kN | |
| Dynamic Load Rating | 79.5kN | |
| Bore Type | Round | |
| Series | 6311 | |
| Limiting Speed | 5800rpm | |
| Bearing Type | Deep Groove | |
| Race Type | Plain | |
| Flange Outside Diameter | 120mm | |
| Select all | ||
|---|---|---|
Brand NTN | ||
Product Type Ball Bearing | ||
Inside Diameter 55mm | ||
Outside Diameter 120mm | ||
Race Width 29mm | ||
Cage Material Steel | ||
Race Material Steel | ||
Ball Material Steel | ||
End Type Shielded | ||
Number of Rows 1 | ||
Internal Clearance C4 | ||
Static Load Rating 45kN | ||
Dynamic Load Rating 79.5kN | ||
Bore Type Round | ||
Series 6311 | ||
Limiting Speed 5800rpm | ||
Bearing Type Deep Groove | ||
Race Type Plain | ||
Flange Outside Diameter 120mm | ||
RoHS Status: Exempt
The NTN Deep groove ball bearing is designed for efficient radial load handling, enhancing performance across various mechanical applications. Featuring a single-row configuration, this bearing excels in offering low friction and high-speed operations, making it suitable for applications that require reliability and durability. Its robust construction, with a pressed steel cage and shields on both sides, ensures optimal protection against contamination while maintaining smooth performance. Ideal for use in industrial machinery, automotive systems, and various engineering operations, this bearing combines quality craftsmanship with Advanced material design to ensure a long service life under demanding conditions.
Designed for radial contact, ensuring effective load management
Constructed with a pressed steel cage for added durability and strength
Included shields provide enhanced protection against dirt and moisture
Optimises performance with a radial clearance class of C4, Ideal for high load scenarios
Capable of handling dynamic loads up to 79,500,000 mN for robust performance
Equipped with a fatigue limit load of 3,500,000 mN for increased reliability
Features operating temperature limits ranging from -40 °C to 150 °C for versatile applications
Suited for applications requiring grease lubrication with a limit speed of up to 34,800 °/s
Compact design with an internal diameter of 55 mm and external diameter of 120 mm for space efficiency
Facilitates smooth operation with a minimum fillet radius of 2 mm at both ends
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