IRB1812 Inner Ring For Shell Type Bearings Inside Diameter 1.125 Inches Outside Diameter 1.375 Inches Width 0.765 Inches High Carbon Steel Precision Replacement Compatible With BA2212Z BHA2212Z And YB2212

IRB1812 Inner Ring for Shell Type Bearings, 1 1/8 ID, single
✔️ 1 1/8 in ID, 1 3/8 in OD, width 19.43 mm, for shell type bearings

This IRB1812 inner ring is a precision component designed for shell type needle roller bearings. It's commonly used in compact automation equipment, conveyors, and small drive assemblies where shaft alignment and smooth rotation matter. It pairs with BA2212Z, BHA2212Z and YB2212 housings to form reliable, low-drag bearing assemblies.

✅ Inside diameter: 1 1/8 in (28.575 mm)
✅ Outside diameter: 1 3/8 in (34.925 mm)
✅ Width: 19.43 mm (0.765 in)
✅ Material: High Carbon Steel
✅ For shell type assemblies with BA2212Z, BHA2212Z and YB2212

💡 What is a pillow block inner ring used for in compact machinery? This handy guide helps you understand how to choose and fit this part in common setups.
- supports shaft alignment and compatibility in conveyors and drives
- reduces wear by providing a smooth race for rolling elements
- works with standard housings BA2212Z, BHA2212Z, YB2212 for easy maintenance
- ideal for upgrade projects where space is tight