| Bearing number | AST50 72IB64 |
| Bore Diameter (mm) | 114,3 |
| Bearing Type | straight |
| Shaft Dia., Nominal (d) | 4.5000 |
| Shaft Size (ds) - 4.5 | 4.4978 |
| Housing Bore Dia. (Dh) - 4.6872 | 4.6858 |
| Bearing Bore after Mounting (di) - 4.5068 | 4.5002 |
| Average Clearance (Cd) | 0.0046 |
| Wall Thickness (S3) | 0.095 |
| Bearing Length, Nominal (B) | 4.000 |
| Bearing Length Tolerance (B tol.) - +.010 / -0.010 | +.010 / 0.010 |
| OD Chamfer Length (Co) | 0.072 |
| ID Chamfer Angle (B deg.) | 30 |
| ID Chamfer Length (Ci) | 0.031 |
| Material | Carbon steel shell with PTFE / Fiber lining |
