Front elevation · drawn to proportion
MALAYA · Needle Roller Bearings
NA4844
Needle Roller Bearings
- ⌀d220mm
- ⌀D270mm
- B50mm
MALAYA NA4844 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 270 mm outside diameter and a width of 50 mm. Supplied with CN internal clearance and non-metallic cage. Rated to 1,900 rpm under oil lubrication. Dimensionally interchangeable with SKF NA 4844, NTN NA4844 and IKO NA 4844.
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.
- SKFNA 4844
- NTNNA4844
- IKONA 4844
Specification
Dimensions
| Bore Ø | 220mm |
|---|---|
| Outside Ø | 270mm |
| Width | 50mm |
| Mass | 6.33kg |
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 | 238kN |
|---|---|
| Static load C₀ | 815kN |
| Fatigue limit Pu | 81.5kN |
| Limiting speed (oil) | 1,900rpm |
| Limiting speed (grease) | 1,700rpm |
| Min temperature | -40°C |
| Max temperature | 120°C |