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A. It is a replacement TR20 nut with bearing for Sykes Pickavant bush kits 08797500 and 08795000.
A. The bearing reduces friction as the nut turns under load, making pressing operations smoother and reducing wear on threads.
A. When the old nut becomes stiff, shows flattened threads or the bearing no longer rotates freely under load.
A. It is intended for TR20 threaded rods in the specified kits; using it elsewhere requires verifying thread type and load suitability.
A. Rotate the bearing by hand to check for smooth motion, and inspect the nut’s threads for damage or excessive wear.
A. Keep it clean, avoid contamination with grit and add light lubricant where recommended to maintain smooth operation.
A. It lowers torque required at the spanner, reducing operator effort and helping prevent jerky movement of pressed components.
A. Store it with sleeves and rods in the bush kit case or in a labelled compartment to prevent misplacement.
A. It could seize, overload the rod or cause abrupt jumps in bush movement, making pressing less controlled.
A. Mechanics might search “Sykes Pickavant 08791570 TR20 nut bearing” or “bush kit nut and thrust bearing spare”."
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