RNA4909 Bearing
Needle roller bearing
- Shaft dia. Fw52 mm
- Outer dia. D68 mm
- Width C22 mm
- Weight≈ 0.17 kg
High radial loads in a small housing: gearboxes, pumps, agricultural and construction machinery.
Technical data
| Bearing designation | RNA4909 |
|---|---|
| Type | Needle roller bearing |
| Shaft dia. Fw | 52 mm |
| Outer dia. D | 68 mm |
| Width C | 22 mm |
| Weight | ≈ 0.17 kg |
Designation meaning and notes
- Without inner ring: shaft diameter Fw = 52 mm; the shaft must be hardened.
Dimensions are standard catalogue values; the weight is an approximate calculation. Please confirm before ordering.
Common suffixes for RNA4909
| RNA4909-2RS | Rubber seals on both sides (sealed), greased |
|---|
Click a designation to open it in the bearing finder. Suffix usage can differ slightly between brands.
Matching seal (radial shaft seal)
52 × 68 mm
Needle roller bearings usually take a thin (type G) shaft seal: inner diameter 52 mm, outer diameter 68 mm. We'll help you choose the width to fit the housing.
Quote for bearing and seal