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Sizes available from Bore : RPNA SERIES
The RPNA Series consists of aligning machined needle roller bearings without an inner ring. These bearings have a spherical outer surface and are used together with a matching support ring to compensate for static shaft misalignment of up to 3°. They are intended for applications where the shaft is hardened and ground to serve as the bearing raceway.
| Bearing No. | Fw (mm) | D (mm) | B (mm) | Support Ring OD (mm) | Misalignment | Approx. Weight (kg) |
|---|---|---|---|---|---|---|
| RPNA15/28 | 15 | 28 | 20 | 32 | 3° | 0.050 |
| RPNA17/30 | 17 | 30 | 20 | 35 | 3° | 0.060 |
| RPNA20/35 | 20 | 35 | 24 | 40 | 3° | 0.090 |
| RPNA25/40 | 25 | 40 | 24 | 45 | 3° | 0.115 |
| RPNA30/47 | 30 | 47 | 30 | 52 | 3° | 0.180 |
| RPNA35/52 | 35 | 52 | 30 | 58 | 3° | 0.225 |
| RPNA40/62 | 40 | 62 | 36 | 68 | 3° | 0.360 |
| RPNA45/68 | 45 | 68 | 36 | 74 | 3° | 0.430 |
| RPNA50/72 | 50 | 72 | 36 | 78 | 3° | 0.470 |
| RPNA55/80 | 55 | 80 | 40 | 86 | 3° | 0.620 |
| RPNA60/90 | 60 | 90 | 45 | 96 | 3° | 0.820 |
| RPNA70/100 | 70 | 100 | 45 | 108 | 3° | 1.020 |
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