Bearing NN3068 K ISO NN3068 K ISO bearing Size Chart (mm/inches) |
|---|
| Bearing number | AST40 F18120 |
| Bore Diameter (mm) | 18 |
| Outer Diameter (mm) | 20 |
| Bearing Type | flanged |
| Shaft Dia., Nominal (d) | 18.0000 |
| Shaft Size (ds) - 18 -0.016 / -0.034 | 18 0.016 / 0.034 |
| Housing Bore Dia. (Dh) | 20 +0.021 / +0 |
| Bearing Outside Diameter, Nominal(Do) | 20.000 |
| Bearing Outside Diameter Tolerance (Do tol.) | 20.075 / 20.035 |
| Bearing Bore after Mounting (di) | 18.061 / 17.99 |
| Average Clearance (Cd) | 0.0510 |
| Wall Thickness (S3) | 1.005 |
| Bearing Length, Nominal (B) | 12.000 |
| Bearing Length Tolerance (B tol.) - +0.25 / -0.25 | +0.25 / 0.25 |
| OD Chamfer Length (Co) | 0.600 |
| ID Chamfer Angle (B deg.) | 30 |
| ID Chamfer Length (Ci) | 0.300 |
| Flange Dia. (Dfl pm 0.5) | 26.000 |
| Flange Radius (rfl) | 1.000 |
| Material | Steel shell with PTFE / Polymer Fiber lining |