Deep Groove Ball Bearing (6313Open) - Sparex Part S.18113Sparex Deep Groove Ball Bearing (6313Open) S. 18113 This Sparex Deep Groove Ball Bearing is a high quality replacement part for a variety of agricultural machinery. It features an inner diameter of 65mm, an outer diameter of 140mm, and a width of 33mm. This bearing is designed for heavy duty applications and is suitable for use in a wide range of tractors and other agricultural equipment. Product Specifications B (mm): 33 Bearing Reference: 6313