KingRoon 4pcs RJMP-01 RJ4JP Plastic Linear Bearings Bushing Polymer Bearing Shaft for Mendel 3D Printer Parts Prusa Mendel DIY
Quick answer
Is $3.39 a good price for KingRoon 4pcs RJMP-01 RJ4JP Plastic Linear Bearings Bushing Polymer…?
It is the usual price, not a deal: $3.39 is in line with the typical price of $3.39 that DipScout measured over the last 7 days. Tracked since Nov 5, 2026, the price hasn't changed.
$3.39
Today it costs $3.39 on AliExpress. Since Nov 5, 2026, when we started tracking it, the price hasn't changed. By our price history, it is not on sale right now.
No drop compared with what we observed over the last 7 days. The store advertises "was $3.59", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Last reading$3.39on Nov 6
The price hasn't changed once since Nov 5, when we started tracking it.
Hover over the chart to see each price.Tap the chart to see each price.
| Store | KINGROON Official Store |
|---|---|
| Positive feedback (AliExpress) | 96.5% |
| AliExpress category | Computer & Office › 3D Printing & Additive Manufacturing |
| Sold | 28 |
| Recorded readings | 1 |
| First seen | |
| Last reading |