Front elevation · drawn to proportion
MALAYA · Needle Roller Bearings
NA4904
Needle Roller Bearings
- ⌀d20mm
- ⌀D37mm
- B17mm
MALAYA NA4904 is a needle roller bearing manufactured to ISO dimensional and tolerance standards for industrial plant and OEM use. It has a 20 mm bore, a 37 mm outside diameter and a width of 17 mm. Supplied with CN internal clearance and non-metallic cage. Rated to 17,000 rpm under oil lubrication. Dimensionally interchangeable with SKF NA 4904 and IKO NA 4904.
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 4904
- IKONA 4904
Specification
Dimensions
| Bore Ø | 20mm |
|---|---|
| Outside Ø | 37mm |
| Width | 17mm |
| Mass | 0.075kg |
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 | 21.6kN |
|---|---|
| Static load C₀ | 28kN |
| Fatigue limit Pu | 3.35kN |
| Limiting speed (oil) | 17,000rpm |
| Limiting speed (grease) | 15,000rpm |
| Min temperature | -40°C |
| Max temperature | 120°C |