Front elevation · drawn to proportion
MALAYA · Needle Roller Bearings
RNA4840
Needle Roller Bearings
- ⌀d220mm
- ⌀D250mm
- B50mm
MALAYA RNA4840 is a needle roller bearing manufactured to ISO dimensional and tolerance standards for industrial plant and OEM use. It has a 220 mm bore, a 250 mm outside diameter and a width of 50 mm. Supplied with CN internal clearance and non-metallic cage. Rated to 2,000 rpm under oil lubrication. Dimensionally interchangeable with SKF RNA 4840, NTN RNA4840 and IKO RNA 4840.
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.
- SKFRNA 4840
- NTNRNA4840
- IKORNA 4840
Specification
Dimensions
| Bore Ø | 220mm |
|---|---|
| Outside Ø | 250mm |
| Width | 50mm |
| Mass | 3.35kg |
Design
| Type | Single Row Roller |
|---|---|
| Rolling element | Roller |
| Rows | Single Row |
| Sealing | Open |
| Cage | Non-Metallic |
| Clearance | CN |
| Precision | Grade 0 |
| Size standard | Metric System |
Performance
| Dynamic load C | 224kN |
|---|---|
| Static load C₀ | 735kN |
| Fatigue limit Pu | 75kN |
| Limiting speed (oil) | 2,000rpm |
| Limiting speed (grease) | 1,800rpm |
| Min temperature | -40°C |
| Max temperature | 120°C |