Ball bearing 6311-2ZNR with locking ring on the outer ring from the manufacturer SKF with dimensions 55x120x29 mm. The K ball bearing has frictionless protective plates on both sides of the bearing.
✔ Maintenance free
✔ Extended Lifespan
✔ Retains the lubricating grease
✔ Friction-free protective plates
✔ High quality and performance
| Specification | |
| Product | 6311-2ZNR SKF Ball Bearing with Lock Ring 55x120x29 |
| Manufacturer | SKF |
| Manufacturer's article number |
6311-2ZNR |
| Stock game | CN - Normal (Default) |
| Temperature range | -20°C to +120°C |
| Loading | Radial and axial loads in both directions |
| Reference speed | rpm |
| Limit speed | rpm |
| Load capacity Dynamic (C) | kN |
| Bearing capacity Static (C0) | kN |
| Weight | g |
| Included | Lock ring SP 120 |
| Dimensions | |
| Inner diameter ( d ) | 55 mm |
| Outer diameter ( D ) | 120 mm |
| Width (B ) | 29 mm |
| Width of locking ring (f) | 2.82 mm |
| Width of circlip groove (b) | 3.1 mm |
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| Surname (Suffix) | |
| 2Z | The ball bearing has protective plates on both sides of the bearing |
| NO | Flange ring groove in the outer ring, with matching flange ring |
| Material | |
| Inner ring | Steel |
| Outer ring | Steel |
| Bullets | Steel |
| Ball holder | Plate |
| Lock ring | Steel |
| Enclosure (seal) Low Friction High RPM Retention of Fat Protection against Dust Protection against Water Static Dynamic High pressure |
Plate Excellent ✔ ✔ ✔ Excellent ✔ ✔ ✔ Acceptable ✔ Acceptable ✔ Not recommended Not recommended Not recommended |