6701ZZ Thin Section Deep Groove Ball Bearing – Ultra-thin cross-section design, chrome steel construction, low friction, high rotational accuracy. Ideal for robotics, medical equipment, precision instruments, stepper motors, and compact automation systems where space and weight are critical constraints. Model: 6701ZZ Type: Thin section deep groove ball bearing Inner Diameter (d): 12 mm / 0.4724 in Outer Diameter (D): 18 mm / 0.7087 in Width (B): 4 mm / 0.1575 in Seal Type: Double metal shields (ZZ) Weight: 3g – 5g (approx.)