SIGMA MR-20-N needle roller bearings
SIGMA MR-20-N needle roller bearings, Units and Housings CAD models , Manufacturing Service . Get Your 250 Bore Diameter (mm) Free.
| Bore Diameter (mm) | 250 |
| Outer Diameter (mm) | 255 |
| Bearing Type | straight |
| Shaft Dia., Nominal (d) | 250.0000 |
| Shaft Size (ds) – 250 +0 / -0.072 | 250 +0 / 0.072 |
| Housing Bore Dia. (Dh) – 255 +0.052 / -0 | 255 +0.052 / 0 |
| Bearing Outside Diameter, Nominal(Do) | 255.000 |
| Bearing Outside Diameter Tolerance (Do tol.) | 255.260 / 255.170 |
| Bearing Bore after Mounting (di) | 250.282 / 250.110 |
| Average Clearance (Cd) | 0.2320 |
| Wall Thickness (S3) | 2.418 |
| 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) | 0.800 |
| Lube Hole Dia. (dl) | 9.500 |
| Material | Carbon steel shell with POM plastic liner |
Detailed Parameters
parameter：
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