Caged Heavy-Duty Shell Needle Roller Bearing TA2120Z, Metric 21 mm ID x 29 mm OD x 20 mm Width, Chromium Molybdenum Steel, Single Bearing for Linear Slide Units and Machinery

Caged heavy-duty shell needle bearing, single unit
✔️ 21 mm ID x 29 mm OD x 20 mm W, caged, Cr-Mo steel, single bearing

This is a caged shell needle roller bearing (single piece) for compact machinery and linear slide units, commonly used in transmissions, pumps, cams, and industrial gearboxes.

✅ Model: TA2120Z, TA-Z Metric Series
✅ Inner diameter: 21 mm; Outer diameter: 29 mm; Width: 20 mm
✅ Material: Chromium Molybdenum steel with caged retainer
✅ Dynamic load capacity: 17600 N; Static load capacity: 25900 N
✅ Max speed: 19,000 rpm; single row; open enclosure
✅ Type: Caged heavy duty shell standard; ideal for linear slide unit fitment

💡 What is a shell needle roller bearing used for in linear slide units and compact machinery? They carry heavy radial loads in tight housings and are especially handy when space is limited. Quick rundown: - High radial load capacity for cams, pumps, gearboxes, and linear slide units - Slim shell profile fits where sealed ball bearing or larger roller bearings won't - Caged options like TA2120Z reduce friction and help meet higher rpm needs - Consider ceramic hybrid bearings only for extreme speed or corrosion resistance