HK4512 Bearing

Drawn cup needle roller bearing (HK)

  • Shaft dia. Fw45 mm
  • Outer dia. D52 mm
  • Width C12 mm
  • Weight≈ 0.022 kg

Very tight spaces: gearboxes, steering and pedal mechanisms; the shaft itself acts as the raceway.

Technical data

Bearing designationHK4512
TypeDrawn cup needle roller bearing (HK)
Shaft dia. Fw45 mm
Outer dia. D52 mm
Width C12 mm
Weight≈ 0.022 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 HK4512

HK4512-2RSRubber seals on both sides (sealed), greased
HK4512-RSRubber 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