Front elevation · drawn to proportion
MALAYA · Needle Roller Bearings
RNA4909
Needle Roller Bearings
- ⌀d52mm
- ⌀D68mm
- B22mm
MALAYA RNA4909 is a needle roller bearing manufactured to ISO dimensional and tolerance standards for industrial plant and OEM use. It has a 52 mm bore, a 68 mm outside diameter and a width of 22 mm. Supplied with CN internal clearance and non-metallic cage. Rated to 8,500 rpm under oil lubrication. Dimensionally interchangeable with SKF RNA 4909 and IKO RNA 4909.
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 4909
- IKORNA 4909
Specification
Dimensions
| Bore Ø | 52mm |
|---|---|
| Outside Ø | 68mm |
| Width | 22mm |
| Mass | 0.18kg |
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 | 45.7kN |
|---|---|
| Static load C₀ | 78kN |
| Fatigue limit Pu | 9.65kN |
| Limiting speed (oil) | 8,500rpm |
| Limiting speed (grease) | 7,500rpm |
| Min temperature | -40°C |
| Max temperature | 120°C |