4-82-561U – Yoke Shafts – 1550 Series – 1.750″ Splines Dia – 16 Spline
$473.59
0 in stock
Description
4-82-561U stub shaft for 1550 series — 1.750" spline dia, 16 splines, 3.000" spline length, 9.750" CL-to-end.
4-82-561U -- 1550 Series Yoke Shaft
The 1550 series sits between the 1480 (1.375" bearing caps) and 1610 (1.875" caps) in the U-joint series strength hierarchy. The 1550-series yoke shaft uses a 1.750" spline diameter with 16 splines -- identical spline profile to the 1550-series 4-82-411-1U and 4-82-371U variants. The only differentiator between models in this series is CL-to-end and spline engagement length.
The 4-82-561U has 9.750" CL-to-end and 3.000" spline engagement. On wear inspection, 1550-series yoke shafts most commonly show fretting at the spline root rather than at the bearing surface -- caused by micro-motion under cyclic torque reversal. If the spline root shows discoloration or material transfer, replace the shaft and the mating sleeve together. This stub shaft is UDS manufactured.
| C l to end | 9.750 |
|---|---|
| Partn number | 4-82-561U |
| Series | 1550 |
| Splines count | 16 |
| Splines dia | 1.750 |
| Splines length | 3.000 |
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