R156 - Deep Groove Radial Ball Bearing, 0.188" Bore (ID)

In stock
Please verify the ball bearing width. Open (no seal) bearings may have a different width than sealed versions.
We offer bundled pricing for all ball bearings. Discounts for packs of 2, 5, 10, 50, and 100 units are automatically applied at checkout.
Seal Type
Regular price $6.99
Product details
  • Type Ball Bearings
  • Part Number R156
  • Bore (Inner Diameter) 0.188 in | 4.762 mm
  • Outer Diameter 0.313 in | 7.95 mm
  • Width 0.125 in | 3.175 mm

High-Performance Deep Groove Ball Bearing

R156 is a precision deep groove radial ball bearing designed for smooth rotation, reduced friction, and dependable performance in high-speed and general-purpose applications. Manufactured for durability and consistent operation, this bearing is suitable for electric motors, small machinery, tools, and mechanical assemblies.

Part Number R156
Inner Diameter (Bore) 0.188 in | 4.762 mm
Outer Diameter 0.313 in | 7.95 mm
Width (Closed Seal) 0.125 in | 3.175 mm
Width (Open Style) 0.109 in | 2.779 mm

Seal Types

  • Open (No Seal)
  • Metal Shield (ZZ)
  • Rubber Seal (2RS)