1603 - Deep Groove Radial Ball Bearing, 0.313" Bore (ID)

SKU: 1603-2RS
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 $2.99
In stock
Ships the same business day when ordered before 1:00p PST (M-F)
Product details
  • Part Number 1603
  • Bore (Inner Diameter) 0.313 in | 7.938 mm
  • Outer Diameter 0.875 in | 22.225 mm
  • Width 0.344 in | 8.731 mm

Please double-check the width before placing your order

Some Open (No Seal) bearings may have a different width than sealed versions (2RS & ZZ)

High-Performance Deep Groove Ball Bearing

1603 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 1603
Inner Diameter (Bore) 0.313 in | 7.938 mm
Outer Diameter 0.875 in | 22.225 mm
Width (Closed Seal) 0.344 in | 8.731 mm
Width (Open Style) 0.281 in | 7.144 mm

Seal Types

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

Cross Reference

1603RS, 1603.2RS, 21405-88, 1603DC, BR9903ABR-9903, 21405-55, BR-9903A1603RS, 16032RS, 1603DDU, BR9903A, 1603-2Z, 1603ZZ, 21405-77, 1603DS, BR7703BR-7703, 1603Z, BR7703A