Front elevation · drawn to proportion
MALAYA · Needle Roller Bearings
RNA4912
Needle Roller Bearings
- ⌀d68mm
- ⌀D85mm
- B25mm
MALAYA RNA4912 is a needle roller bearing manufactured to ISO dimensional and tolerance standards for industrial plant and OEM use. It has a 68 mm bore, a 85 mm outside diameter and a width of 25 mm. Supplied with CN internal clearance and non-metallic cage. Rated to 6,700 rpm under oil lubrication. Dimensionally interchangeable with SKF RNA 4912 and IKO RNA 4912.
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 4912
- IKORNA 4912
Specification
Dimensions
| Bore Ø | 68mm |
|---|---|
| Outside Ø | 85mm |
| Width | 25mm |
| Mass | 0.28kg |
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 | 60.5kN |
|---|---|
| Static load C₀ | 114kN |
| Fatigue limit Pu | 14.3kN |
| Limiting speed (oil) | 6,700rpm |
| Limiting speed (grease) | 6,000rpm |
| Min temperature | -40°C |
| Max temperature | 120°C |