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Deep Groove Ball Bearing with Shields – 6311-2Z
The SKF 6311-2Z is a single row deep groove ball bearing with non-contact shields on both sides, providing effective protection against contamination while enabling high-speed performance. It delivers high load capacity, low friction, and reliable operation across a wide range of industrial applications.
Original price was: $36.10.$34.21Current price is: $34.21.
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Description
The SKF 6311-2Z deep groove ball bearing combines robustness, versatility, and durability for demanding applications. Featuring non-contact metal shields on both sides, it retains lubricant while minimizing the ingress of dust and debris, reducing maintenance requirements and prolonging service life.
Its CN internal clearance ensures precise running, while optimized geometry allows for smooth, low-noise, and high-speed performance with a limiting speed of 6,300 r/min. With a basic dynamic load rating of 74.1 kN and static load rating of 45 kN, this bearing is engineered for reliability in motors, gearboxes, conveyors, and general machinery.
As part of the SKF Explorer performance class, it offers improved wear resistance, reduced friction, and extended operating life.
Specifications
| Attribute | Value |
|---|---|
| Part Number | 6311-2Z |
| Bearing Type | Deep groove ball bearing |
| Number of Rows | 1 |
| Bore Diameter | 55 mm |
| Outside Diameter | 120 mm |
| Width | 29 mm |
| Basic Dynamic Load Rating | 74.1 kN |
| Basic Static Load Rating | 45 kN |
| Reference Speed | 12,000 r/min |
| Limiting Speed | 6,300 r/min |
| Radial Internal Clearance | CN |
| Bore Type | Cylindrical |
| Cage Material | Sheet metal |
| Sealing | Shield on both sides |
| Sealing Type | Non-contact |
| Lubricant | Grease |
| Relubrication Feature | Without |
| Filling Slots | Without |
| Matched Arrangement | No |
| Locating Feature, Outer Ring | Without |
| Material | Bearing steel |
| Coating | Without |
| SKF Performance Class | SKF Explorer |
| Product Net Weight | 1.39 kg |
| Indicative Carbon Footprint (Manufacture) | 4.99 kg CO2e |
| eClass Code | 23-05-08-01 |
| UNSPSC Code | 31171504 |
Additional information
| Weight | 1.39 kg |
|---|
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