| Bearing number |
ASTB90 F4550 |
| Bore Diameter (mm) |
45 |
| Outer Diameter (mm) |
50 |
| Bearing Type |
flanged |
| Shaft Dia., Nominal (d) |
45.0000 |
| Shaft Size (ds) - 45 -0.080 / -0.105 |
45 0.080 / 0.105 |
| Housing Bore Dia. (Dh) - 50 +0.025 / -0 |
50 +0.025 / 0 |
| Bearing Outside Diameter, Nominal(Do) |
50.000 |
| Bearing Bore after Mounting (di) - 45 +0.062 / -0 |
45 +0.062 / 0 |
| Wall Thickness (S3) |
2.500 |
| Bearing Length, Nominal (B) |
50.000 |
| Bearing Length Tolerance (B tol.) - +0 / -0.40 |
+0 / 0.40 |
| OD Chamfer Length (Co) |
1.800 |
| ID Chamfer Angle (B deg.) |
45 |
| ID Chamfer Length (Ci) |
0.600 |
| Flange Dia. (Dfl pm 0.5) |
60.000 |
| Flange Thickness (Sfl) |
2.500 |
| Flange Radius (rfl) |
2.000 |
| Material |
Wrapped bronze with formed lubrication indents. |