Single IRB1612-1 Needle Roller Bearing, Tapered I.D. 1 in (25.4 mm) x O.D. 1-5/16 in (33.34 mm), 19.43 mm width, High Carbon Steel, fits BA2112Z shell

Single IRB1612-1 needle roller bearing, tapered I.D.
✔️ I.D. 1 in (25.4 mm), O.D. 1-5/16 in (33.34 mm), width 19.43 mm

This single bearing is a compact needle roller unit designed for radial load support in compact assemblies like linear slide units, gearboxes, and transmissions.

✅ Bore: tapered I.D. 1 in (25.4 mm)
✅ Outer diameter: 1-5/16 in (33.34 mm)
✅ Overall width: 19.43 mm (0.765 in)
✅ Material: high carbon steel
✅ Series: IRB inch series
✅ Fits shell type BA2112Z
✅ Pack: single bearing, each unit; SKU 861231; weight 0.120 lb

💡 How are needle roller bearings used in compact linear slide units and small gearboxes? Needle roller bearings give high radial load capacity in a tight package while keeping friction low. - Ideal for compact linear slide units where sealed ball bearing options are too bulky. - Common in small gearboxes and transmissions for handling radial loads with minimal cross-section. - Can complement or replace sealed ball bearing or ceramic options in space-constrained designs.