The NKE 6317MC3SQ77 is a genuine NKE deep groove ball bearing designed for various industrial applications. It features an 85mm inner diameter, a 180mm outer diameter, and a 41mm width. This bearing is equipped with a C3 radial internal clearance, indicating a greater than normal clearance, suitable for applications involving high speeds or significant temperature differences. The 'M' designation typically refers to a machined brass cage, and 'SQ77' indicates specific NKE internal specifications. This robust bearing ensures reliable performance and durability.