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MALAYA · Spherical Roller Bearings
21311 CC/W33
Spherical Roller Bearings
- ⌀d55mm
- ⌀D120mm
- B29mm
MALAYA 21311 CC/W33 is a spherical roller 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 7,500 rpm under oil lubrication. Dimensionally interchangeable with SKF 21311 E and Timken 21311EJW33.
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.
- SKF21311 E
- Timken21311EJW33
Specification
Dimensions
| Bore Ø | 55mm |
|---|---|
| Outside Ø | 120mm |
| Width | 29mm |
| Mass | 1.7kg |
Design
| Type | Double Row Roller |
|---|---|
| Rolling element | Roller |
| Rows | Double Row |
| Sealing | Open |
| Cage | Steel |
| Material | Steel |
| Clearance | CN |
| Precision | Grade 0 |
| Size standard | Metric System |
Performance
| Dynamic load C | 159kN |
|---|---|
| Static load C₀ | 166kN |
| Fatigue limit Pu | 18.6kN |
| Limiting speed (oil) | 7,500rpm |
| Limiting speed (grease) | 5,600rpm |
| Max misalignment | 2° |
| Min temperature | -40°C |
| Max temperature | 120°C |
Nearest sizes
Same family, closest bore — the usual substitutions.