HK4520 Bearing
Drawn cup needle roller bearing (HK)
- Shaft dia. Fw45 mm
- Outer dia. D52 mm
- Width C20 mm
- Weight≈ 0.037 kg
Very tight spaces: gearboxes, steering and pedal mechanisms; the shaft itself acts as the raceway.
Technical data
| Bearing designation | HK4520 |
|---|---|
| Type | Drawn cup needle roller bearing (HK) |
| Shaft dia. Fw | 45 mm |
| Outer dia. D | 52 mm |
| Width C | 20 mm |
| Weight | ≈ 0.037 kg |
Designation meaning and notes
- Shaft diameter (raceway) Fw = 45 mm; no inner ring – the shaft must be hardened.
Dimensions are standard catalogue values; the weight is an approximate calculation. Please confirm before ordering.
Common suffixes for HK4520
| HK4520-2RS | Rubber seals on both sides (sealed), greased |
|---|---|
| HK4520-RS | Rubber seal on one side |
Click a designation to open it in the bearing finder. Suffix usage can differ slightly between brands.
Matching seal (radial shaft seal)
45 × 52 mm
Needle roller bearings usually take a thin (type G) shaft seal: inner diameter 45 mm, outer diameter 52 mm. We'll help you choose the width to fit the housing.
Quote for bearing and seal