55x120x29mm
Bore × Outside Diameter × WidthComplete parameters for your reference
| Basic Information | |
| Model | 6311- Open |
| Bearing Type | Deep Groove Ball Bearing |
| SealType | Open |
| Material | GCr15 Bearing Steel |
| Lubrication | Oil / Grease |
| Weight | 1.38000 kg |
| Bearing Clearance | C0/C2/C3 |
| Precision | P0/P6/P5 |
| Load Ratings | |
| Dynamic Load Rating(Cr) | 71700 N |
| Static Load Rating(Cor) | 44800 N |
| Basic Dimensions | |
| Bore Diameter (d) | 55 mm |
| Outside Diameter (D) | 120 mm |
| Width | 29 mm |
| Chamfer Radius(min) | 2 mm |
| Shielded Bearing Width | - |
| Ball Count | - |
| Ball Size | - |
| Speed Ratings | |
| Lubrication | Limiting Speed |
| Grease | 6,900 r/min |
| 0il | 6,000 r/min |
| Mounting Dimensions | |
| Shaft Shoulder Diameter (da min) | 64 mm |
| Housing Shoulder Diameter (Da max) | 111 mm |
| Maximum Fillet Radius (ra max) | 2 mm |
| Flange | |
| SFlange Outside | - |
| Flange Width | - |
Detailed drawings and internal structure
d = 55mm D = 120mm B = 29mm Rmin = 2mm
Bearing Structure
Widely used in various compact equipment
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