Used with hand tools to externally pull ball bearings; roller bearings and inner races from a shaft where the bearing is installed tightly to another surface; so there is not enough room to use regular pulling jaws. When tightened; the bearing separator will pinch-in between the bearing and the surface making it possible to pull the bearing from the shaft. The required puller; that actually pulls the separator to remove the bearing; is sold separately and available as 951057. - Build Series: 15 - Diameter of Shaft (in mm): 12-75 - Side Screw Length (in mm): 75 - Weight: 1.105kg - Space Below (in mm): 0 - Space Next To It (in mm): 75 - Spread (in mm): 12-75 - Depth (in mm): 200 Note: 951039 bearing separator will require the use of 951057 puller. Separator and puller are sold separately.