This insert bearing locks onto the shaft by means of an eccentric locking collar, which fixes the extended inner ring in place and is intended for a fixed direction of rotation. The outer ring is spherically ground, allowing the housing to accommodate slight misalignment during assembly. Bore diameter (d) is 30 mm, and the unit weighs 0.38 kg. From the catalog drawing, dimension B is 48.3 mm, C is 18 mm, D is 62 mm, c is 19.5 mm, thread m is M6 x 0.75, s is 18.2 mm, c0 is 11.3 mm, d1 is 39.7 mm, and d2 is 44.5 mm. The bearing is sealed on both sides and factory-filled with lithium grease class 2, so it is ready to mount without additional lubrication at installation. Because the locking collar fixes rotation in one direction only, the shaft must not reverse rotation once installed, or the collar may loosen. The dimensioned outer ring geometry (D, B, C, s) allows fitting into a matching pillow block or flanged housing designed for this series. The dimensional and constructional equivalent listed for this bearing is SKF YEL 206.