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MALAYA · Spherical Roller Bearings
21311CCK/W33
Spherical Roller Bearings
- ⌀d55mm
- ⌀D120mm
- B29mm
MALAYA 21311CCK/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 EK and Timken 21311KEJW33.
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 EK
- Timken21311KEJW33
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.