Direct Sewing · Singer parts & accessories
Singer Cam Shaft Slide Block 502966
Replace the specified slide block in the needle-vibration cam mechanism.
Part / product reference502966
Will it fit my machine?
These exact models are documented in the manufacturer information linked below. Apply the part-version, serial-number and fitting conditions on this page.
- 457UX135
- 457UX140
Model missing? This list covers the references checked, not every historical or regional machine. Ask us to check your complete model before ordering.
Product details
- Singer identifies this as the needle vibrating cam shaft slide block.
- For the exact industrial configurations documented below.
- Installation requires correct mechanism adjustment.
Let us help you choose
Send us the full machine model and the part reference above. A photo of the original part helps us check the fitting.
Ask Direct Sewing Singer model & part finderFitting sources and instructions
Reviewed September 2026. Regional names, packs and part revisions can differ. Use these references together with your machine manual.