NTN 6311ZZC3/5K 1 Row Ball Bearing - 55 mm ID, 120 mm OD
- RS Stock No.:
- 700-246
- Mfr. Part No.:
- 6311ZZC3/5K
- Brand:
- NTN
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Subtotal (1 unit)*
£41.14
(exc. VAT)
£49.37
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 25 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £41.14 |
*price indicative
- RS Stock No.:
- 700-246
- Mfr. Part No.:
- 6311ZZC3/5K
- 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 | |
| Inside Diameter | 55mm | |
| Product Type | Ball Bearing | |
| Outside Diameter | 120mm | |
| Race Width | 29mm | |
| Ball Material | Steel | |
| Cage Material | Pressed Steel | |
| End Type | Closed | |
| Number of Rows | 1 | |
| Internal Clearance | C3 | |
| Static Load Rating | 45000N | |
| Dynamic Load Rating | 79.5kN | |
| Series | 631 | |
| Bore Type | Round | |
| Limiting Speed | 967rpm | |
| Bearing Type | Deep Groove Ball | |
| Select all | ||
|---|---|---|
Brand NTN | ||
Inside Diameter 55mm | ||
Product Type Ball Bearing | ||
Outside Diameter 120mm | ||
Race Width 29mm | ||
Ball Material Steel | ||
Cage Material Pressed Steel | ||
End Type Closed | ||
Number of Rows 1 | ||
Internal Clearance C3 | ||
Static Load Rating 45000N | ||
Dynamic Load Rating 79.5kN | ||
Series 631 | ||
Bore Type Round | ||
Limiting Speed 967rpm | ||
Bearing Type Deep Groove Ball | ||
RoHS Status: Exempt
- COO (Country of Origin):
- JP
The NTN Deep groove ball bearing is engineered for high-performance applications, providing reliable radial contact support essential for efficient operation. With a robust design that includes a pressed steel cage and shields on both sides, this bearing effectively protects against contaminants while ensuring durability. The internal diameter is 55 mm, and the external diameter is 120 mm, making it versatile for various industrial needs. Designed for optimal performance, this bearing caters to demanding environments with a minimum operating temperature of -40°C and withstands maximum temperatures up to 150°C. A radial clearance class of C3 signifies its capacity to accommodate thermal expansion and loads, facilitating enhanced longevity in motion.
Single row deep groove design ensures optimal load distribution
Pressed steel cage enhances strength and protects against debris
Radial clearance class C3 allows for thermal expansion compensation
Mass of 1.37 kg ensures stability during operation
Dynamic load capacity of 79,500,000 mN for reliable performance
Static load capacity of 45,000,000 mN supports heavy-duty applications
Fatigue limit load of 3,500,000 mN maximises durability under stress
Grease lubrication limit speed of 34,800 °/s facilitates smooth operation
Min and max operating temperature range from -40°C to 150°C, catering to diverse environments
Designed with minimal fillet radius for design flexibility in machinery
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