AST NU228 EM cylindrical roller bearings
Welcome to the AST NU228 EM cylindrical roller bearings online seller. 280 Bore Diameter (mm) 285 Outer Diameter (mm) straight Bearing Type
| Bore Diameter (mm) | 280 |
| Outer Diameter (mm) | 285 |
| Bearing Type | straight |
| Shaft Dia., Nominal (d) | 280.0000 |
| Shaft Size (ds) – 280 -0.190 / -0.242 | 280 0.190 / 0.242 |
| Housing Bore Dia. (Dh) – 285 +0.052 / -0 | 285 +0.052 / 0 |
| Bearing Outside Diameter, Nominal(Do) | 285.000 |
| Bearing Bore after Mounting (di) – 285 +0.130 / -0 | 285 +0.130 / 0 |
| Wall Thickness (S3) | 2.500 |
| Bearing Length, Nominal (B) | 60.000 |
| 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 |
| Material | Wrapped bronze with lubrication holes. |
Detailed Parameters
parameter：
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