Olivetti Lettra 31, Dora Carriage Rail Trace Bearing with Two Balls – Original Typewriter Spare Part

About:
This is an original Olivetti carriage rail trace bearing with two ball ends, a precision part responsible for the smooth, stable movement of the carriage along its guide rails. This bearing arm ensures even pressure, low friction and accurate tracking across the full length of the carriage travel.
The piece includes the original double-ball ends and central mounting hub, fully functional, cleaned and ready for installation. A rare and essential component for restoring proper carriage performance.

Typewriter Spare Parts for Restoration and Repair:

1. Keys, 2. Typebars, 3. Spools, 4. Platen and Rollers, 5. Chassis, 6. Screws, 7. Rubber Feet, 8. Internal Mechanism Parts, 9. Carriage Return Mechanism, 10. Carriage Rail Bearings, 11. Escapement, 12. Feed Roller, 13. Hammers, 14. Linkage System, 15. Ribbon Spool Pins, 16. Carriage Lock, 17. Margin Release Lever, 18. Paper Holder/Bail, 19. Paper Guide, 20. Back Spacer, 21. Typewheel, 22. Ratcheting Mechanism, 23. Shift Key Lock, 24. Typewriter Belt, 25. Key Lever Spring, 26. Keybed, 27. Stabilizer, 28. Tabulator, 29. Main Spring, 30. Escape Spring, 31. Return Spring, 32. Shift Spring, 33. Tension Springs, 34. Linkage Cords and Wires, 35. Key Lever Cords, 36. Body and Top Covers.

Custom and Hard-to-Find Parts

We can produce custom 3D-printed or machined replacements for rare mechanical parts. If you don’t see the part you need, contact us.

How Our Typewriter Spare Parts On-Demand Service Works

1. Submit Your Request:
Send photos, model details, measurements or serial number.
2. Initial Assessment Fee:
€25 covers compatibility verification and sourcing.
3. Final Price:
Your €25 fee is deducted from the total.