NSK HJ-303920 + IR-253020 needle roller bearings
What is NSK HJ-303920 + IR-253020 needle roller bearings in mechanical engineering? Manufacturing Service . Upload your 55 Bore Diameter (mm) CAD file for metal with bronze and graphite Bearing Type an instant.
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 60 |
| Bearing Type | metal with bronze and graphite |
| Shaft Dia., Nominal (d) | 55.0000 |
| Shaft Size (ds) – 55 +0 / -0.046 | 55 +0 / 0.046 |
| Housing Bore Dia. (Dh) – 60 +0.030 / -0 | 60 +0.030 / 0 |
| Bearing Outside Diameter, Nominal(Do) | 60.000 |
| Bearing Bore after Mounting (di) | 55 +0.230 / +0.080 |
| Average Clearance (Cd) | 0.1550 |
| Wall Thickness (S3) | 2.430 |
| Bearing Length, Nominal (B) | 30.000 |
| 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 |
Detailed Parameters
parameter：
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