NTN 31320X tapered roller bearings
NTN 31320X tapered roller bearings Needs Analysis , Manufacturing Service 80 Bore Diameter (mm) . Get Your Free.
| Bore Diameter (mm) | 80 |
| Outer Diameter (mm) | 85 |
| Bearing Type | straight |
| Shaft Dia., Nominal (d) | 80.0000 |
| Shaft Size (ds) – 80 -0 / -0.046 | 80 0 / 0.046 |
| Housing Bore Dia. (Dh) | 85 +0.035 / +0 |
| Bearing Outside Diameter, Nominal(Do) | 85.000 |
| Bearing Outside Diameter Tolerance (Do tol.) | 85.12 / 85.07 |
| Bearing Bore after Mounting (di) | 80.155 / 80.02 |
| Average Clearance (Cd) | 0.1110 |
| Wall Thickness (S3) | 2.490 |
| Bearing Length, Nominal (B) | 70.000 |
| 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 | Steel shell with PTFE / Polymer Fiber lining |
Detailed Parameters
parameter：
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