Machined Needle Roller Bearing TAF425220 Single Bearing, 42 mm ID x 52 mm OD x 20 mm Width, Caged Light-Duty Metric TAF Series, High Carbon Steel with Oil Holes for Linear Slide Units

Single machined needle roller bearing 42×52×20 mm
✔️ Caged TAF series, high carbon steel, oil holes, 42×52×20 mm, 29.9 kN

This is a single caged, machined-type needle roller bearing for linear slide units, compact motors, gearboxes and industrial equipment where low profile radial support is needed.

✅ ID: 42 mm (inside diameter)
✅ OD: 52 mm (outside diameter)
✅ Width: 20 mm; caged light-duty machined type
✅ Material: high carbon steel; open enclosure with oil holes
✅ Dynamic load capacity: 29,900 N; static capacity: 56,200 N
✅ Max speed: 9,500 rpm; single-row needle rollers, model TAF425220

💡 What is a needle roller bearing used for in linear slide units and compact motors? Needle roller bearings give high radial load capacity in tight spaces and keep shafts running true under heavy radial loads. Short answer: They’re handy for tight clearances and high radial demands. - Improve performance in linear slide units, precision rails, and small motor shafts where a sealed ball bearing may be too bulky - Low cross-section design fits compact gearboxes, actuators, and indexing cams where ceramic or hybrid options are considered for speed and heat - Caged TAF series with oil holes helps lubrication flow for longer service life and lower friction in continuous-duty applications