52100 Alloy Steel Ball: 1/4 in Outside Dia, 25 Ball Bearing Grade, 1.05 g Ball Wt, Polished, 100, PK
    
            
        
        Item: 4RJF9,
MFR: 4RJF9,
Brand: GRAINGER APPROVED
        
| Material Grade | 52100 | 
| Mechanical Finish | Polished | 
| Outside Diameter | 1/4 in | 
| Ball Bearing Grade | 25 | 
| Ball Weight | 1.05 g | 
| Outside Diameter Tolerance | +/-0.0001 in | 
| System of Measurement | Inch | 
| Rockwell Hardness | C60 to C67 | 
| Standards | AISI E52100 | 
