MR126 Bearing

Deep groove ball bearing

  • Bore d6 mm
  • Outer dia. D12 mm
  • Width B4 mm
  • Weight≈ 2 g

High-speed applications such as electric motors, pumps, fans and gear reducers.

Technical data

Bearing designationMR126
TypeDeep groove ball bearing
Bore d6 mm
Outer dia. D12 mm
Width B4 mm
Weight≈ 2 g

Designation meaning and notes

  • Miniature bearing; the width is for the ZZ (shielded) type – the open type may be narrower.

Dimensions are standard catalogue values; the weight is an approximate calculation. Please confirm before ordering.

Common suffixes for MR126

MR126Standard design (open, normal clearance)
MR126-2RSRubber seals on both sides (sealed), greased
MR126-ZZMetal shields on both sides (dust shields)

Click a designation to open it in the bearing finder. Suffix usage can differ slightly between brands.

Matching seal (radial shaft seal)

6 × 12 × 7 mm

Seal weight: ≈ 2 g

Other common widths: 6 × 12 × 10 mm

The seal's inner diameter matches the shaft (6 mm) and its outer diameter matches the housing bore (12 mm); the width depends on the space in the housing. NBR (double lip, TC type) is recommended for general use and FKM (Viton) for high temperatures.

Quote for bearing and seal