NTN 6311 1 Row Deep Groove Ball Bearing - 55 mm ID, 120 mm OD
- RS Stock No.:
- 705-183
- Mfr. Part No.:
- 6311
- Brand:
- NTN
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Subtotal (1 unit)*
£32.59
(exc. VAT)
£39.11
(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 + | £32.59 |
*price indicative
- RS Stock No.:
- 705-183
- Mfr. Part No.:
- 6311
- 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 | Deep Groove Ball Bearing | |
| Outside Diameter | 120mm | |
| Race Width | 29mm | |
| Race Material | Steel | |
| Cage Material | Steel | |
| Ball Material | Steel | |
| End Type | Open | |
| Number of Rows | 1 | |
| Static Load Rating | 44700N | |
| Internal Clearance | CN | |
| Dynamic Load Rating | 75300N | |
| Series | 631 | |
| Bore Type | Round | |
| Limiting Speed | 9500rpm | |
| Race Type | Deep Groove | |
| Bearing Type | Deep Groove | |
| Flange Outside Diameter | 140mm | |
| Select all | ||
|---|---|---|
Brand NTN | ||
Inside Diameter 55mm | ||
Product Type Deep Groove Ball Bearing | ||
Outside Diameter 120mm | ||
Race Width 29mm | ||
Race Material Steel | ||
Cage Material Steel | ||
Ball Material Steel | ||
End Type Open | ||
Number of Rows 1 | ||
Static Load Rating 44700N | ||
Internal Clearance CN | ||
Dynamic Load Rating 75300N | ||
Series 631 | ||
Bore Type Round | ||
Limiting Speed 9500rpm | ||
Race Type Deep Groove | ||
Bearing Type Deep Groove | ||
Flange Outside Diameter 140mm | ||
RoHS Status: Exempt
- COO (Country of Origin):
- CN
The SNR Deep Groove Ball Bearing is engineered for high performance and reliability in various applications. Designed with a pressed steel cage for efficient operation, this bearing facilitates smooth rotational movement while accommodating both radial and axial loads. Its robust construction ensures longevity, making it an Ideal choice for mechanical equipment that requires dependable performance under varying loads and speeds. With an internal diameter of 55 mm and an external diameter of 120 mm, this bearing is particularly suited for applications where space is limited but durability is paramount. This product also boasts temperature resilience, functioning efficiently within operational temperature ranges from -40°C to 120°C.
Single row design offers Compact and efficient performance
Pressed steel cage provides enhanced strength and durability
Robust radial contact supports both radial and axial loads
Designed to operate effectively at speeds up to 57,000 rpm
Temperature tolerance from -40°C to 120°C ensures reliability in harsh conditions
Low mass of 1.34 kg contributes to reduced load on machinery
Dynamic load capacity of 75.3 kN supports high-performance applications
Static load capacity of 44.7 kN allows for reliable performance under rest
Fatigue limit load of 2.03 kN adds to its longevity
Precision-engineered for reduced noise and vibration during operation
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