JTEKT-KOYO 3490/20 Tapered Roller Bearing - 38.1 mm ID, 79.375 mm OD, 29.771 mm Width Covers/Caps The nickel-free watchmaker screwdriver sets

The nickel-free watchmaker screwdriver sets in the wooden stand of series 250 are used for delicate work to meet the highest demands in crafts and watchmaking

Includes 11 carbide burrs in different shapes and sizes

the puller is also suitable for various pulling situations

The integrated force amplification with spring mechanism increases the clamping force proportional to the extracting force

differential and probe/infrared dual display

JTEKT-KOYO 3490/20 Tapered Roller Bearing - 38.1 mm ID, 79.375 mm OD, 29.771 mm Width Covers/Caps The nickel-free watchmaker screwdriver setsTapered Roller Bearing JTEKT KOYO tapered roller bearings carry combined radial and axial loads in one direction. Tapered raceways and rollers give them high load capacity and rigidity. Mounted in opposing pairs, they are widely used in automotive wheel hubs, gearboxes, and industrial machinery.