Front elevation · drawn to proportion
MALAYA · Needle Roller Bearings
NA4838
Needle Roller Bearings
- ⌀d190mm
- ⌀D240mm
- B50mm
MALAYA NA4838 is a needle roller bearing manufactured to ISO dimensional and tolerance standards for industrial plant and OEM use. It has a 190 mm bore, a 240 mm outside diameter and a width of 50 mm. Supplied with CN internal clearance and non-metallic cage. Rated to 2,200 rpm under oil lubrication. Dimensionally interchangeable with SKF NA 4838, NTN NA4838 and IKO NA 4838.
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 4838
- NTNNA4838
- IKONA 4838
Specification
Dimensions
| Bore Ø | 190mm |
|---|---|
| Outside Ø | 240mm |
| Width | 50mm |
| Mass | 5.55kg |
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 | 220kN |
|---|---|
| Static load C₀ | 710kN |
| Fatigue limit Pu | 73.5kN |
| Limiting speed (oil) | 2,200rpm |
| Limiting speed (grease) | 1,900rpm |
| Min temperature | -40°C |
| Max temperature | 120°C |