RNA4903 Bearing
Needle roller bearing
- Shaft dia. Fw22 mm
- Outer dia. D30 mm
- Width C13 mm
- Weight≈ 0.022 kg
High radial loads in a small housing: gearboxes, pumps, agricultural and construction machinery.
Technical data
| Bearing designation | RNA4903 |
|---|---|
| Type | Needle roller bearing |
| Shaft dia. Fw | 22 mm |
| Outer dia. D | 30 mm |
| Width C | 13 mm |
| Weight | ≈ 0.022 kg |
Designation meaning and notes
- Without inner ring: shaft diameter Fw = 22 mm; the shaft must be hardened.
Dimensions are standard catalogue values; the weight is an approximate calculation. Please confirm before ordering.
Common suffixes for RNA4903
| RNA4903-2RS | 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)
22 × 30 mm
Needle roller bearings usually take a thin (type G) shaft seal: inner diameter 22 mm, outer diameter 30 mm. We'll help you choose the width to fit the housing.
Quote for bearing and seal