Front elevation · drawn to proportion
MALAYA · Needle Roller Bearings
RNA4872
Needle Roller Bearings
- ⌀d390mm
- ⌀D440mm
- B80mm
MALAYA RNA4872 is a needle roller bearing manufactured to ISO dimensional and tolerance standards for industrial plant and OEM use. It has a 390 mm bore, a 440 mm outside diameter and a width of 80 mm. Supplied with CN internal clearance and non-metallic cage. Rated to 1,100 rpm under oil lubrication. Dimensionally interchangeable with SKF RNA 4872 and IKO RNA 4872.
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 4872
- IKORNA 4872
Specification
Dimensions
| Bore Ø | 390mm |
|---|---|
| Outside Ø | 440mm |
| Width | 80mm |
| Mass | 14.8kg |
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 | 627kN |
|---|---|
| Static load C₀ | 2,040kN |
| Fatigue limit Pu | 186kN |
| Limiting speed (oil) | 1,100rpm |
| Limiting speed (grease) | 950rpm |
| Min temperature | -40°C |
| Max temperature | 120°C |