Front elevation · drawn to proportion
MALAYA · Needle Roller Bearings
RNA4948
Needle Roller Bearings
- ⌀d265mm
- ⌀D320mm
- B80mm
MALAYA RNA4948 is a needle roller bearing manufactured to ISO dimensional and tolerance standards for industrial plant and OEM use. It has a 265 mm bore, a 320 mm outside diameter and a width of 80 mm. Supplied with CN internal clearance and non-metallic cage. Rated to 1,300 rpm under oil lubrication. Dimensionally interchangeable with NTN RNA4948 and IKO RNA 4948.
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.
- NTNRNA4948
- IKORNA 4948
Specification
Dimensions
| Bore Ø | 265mm |
|---|---|
| Outside Ø | 320mm |
| Width | 80mm |
| Mass | 12kg |
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 | 565kN |
|---|---|
| Static load C₀ | 1,320kN |
| Fatigue limit Pu | 190kN |
| Limiting speed (oil) | 1,300rpm |
| Limiting speed (grease) | 1,000rpm |
| Min temperature | -40°C |
| Max temperature | 120°C |