TIMKEN 19283 B Tapered Roller Bearing - 71.999 mm OD, 14.288 mm Width Extension they achieve impressive vacuum performance:

they achieve impressive vacuum performance: 2 CFM/23 microns (NP2D)

Suitable for use with lock nuts of the KM series either on shaft or in SNL housings

Bessey Tools C-Clamp Brochure

this knife stands out with its bold design and precision functionality

TIMKEN 19283 B Tapered Roller Bearing - 71.999 mm OD, 14.288 mm Width Extension they achieve impressive vacuum performance:Tapered Roller Bearing Tapered Roller Bearings are designed to accommodate combined loads, i. e., simultaneously acting radial and axial loads. The projection lines of the raceways meet at a common point on the bearing axis to provide true rolling. Manufactured to precision tolerance class for demanding applications. Suitable for use in a wide range of industrial applications where reliability and performance are essential.