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MALAYA · Deep Groove Ball Bearings
311
Deep Groove Ball Bearings
- ⌀d55mm
- ⌀D120mm
- B29mm
MALAYA 311 is a deep groove ball bearing manufactured to ISO dimensional and tolerance standards for industrial plant and OEM use. It has a 55 mm bore, a 120 mm outside diameter and a width of 29 mm. Supplied with CN internal clearance and steel cage. Rated to 6,300 rpm under oil lubrication. Dimensionally interchangeable with SKF 6311, NSK 6311 and Timken 311NPP.
Quoted the same working day. Orders placed before 4 PM dispatch same day.
Interchange
Same ISO envelope. These designations share the dimensions above and fit the same housing.
- SKF6311
- NSK6311
- Timken311NPP
Specification
Dimensions
| Bore Ø | 55mm |
|---|---|
| Outside Ø | 120mm |
| Width | 29mm |
| Mass | 1.5kg |
Design
| Type | Single Row Ball |
|---|---|
| Rolling element | Ball |
| Rows | Single Row |
| Sealing | Open |
| Cage | Steel |
| Clearance | CN |
| Precision | Grade 0 |
| Size standard | Metric System |
Performance
| Dynamic load C | 79.2kN |
|---|---|
| Static load C₀ | 67kN |
| Fatigue limit Pu | 2.62kN |
| Limiting speed (oil) | 6,300rpm |
| Limiting speed (grease) | 10,000rpm |
| Min temperature | -40°C |
| Max temperature | 120°C |
Nearest sizes
Same family, closest bore — the usual substitutions.