FAG NNU4920-S-M-SP Cylindrical Roller Bearing - 100 mm ID, 140 mm OD, 40 mm Width Carriage 1 Kraftform bit holder with

1 Kraftform bit holder with quick-release chuck

It fluoresces under UV light to enable QC monitoring

Featuring an ultra-quiet operation at just 21 dB

The 16-piece set from the screwdriving tool specialist Wera solves the most important screwdriving problems associated with bicycles

Part of the most cost-efficient metric bearing locknut line available

FAG NNU4920-S-M-SP Cylindrical Roller Bearing - 100 mm ID, 140 mm OD, 40 mm Width Carriage 1 Kraftform bit holder withCylindrical Roller Bearing FAG cylindrical roller bearings handle heavy radial loads with high speed and stiffness. The line contact between rollers and raceways gives them high load capacity, and the various designs (NU, NJ, NUP, N) allow them to accommodate axial displacement or take small axial loads. They are ideal for gearboxes, electric motors, and heavy industrial equipment.