Linear ball bearing KB-1 ISO series 1 premium with shields for shaft Ø 4mm vs Linear bearing unit KG-3-KST ISO series 3 with linear ball bearing with steel jacket sealed on both sides for schaft Ø 25mm
Linear ball bearing KB-1 ISO series 1 premium with shields for shaft Ø 4mm and Linear bearing unit KG-3-KST ISO series 3 with linear ball bearing with steel jacket sealed on both sides for schaft Ø 25mm are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Linear ball bearing KB-1 ISO series 1 premium with shields for shaft Ø 4mm is €26.32 cheaper ($40.17).
| Criterion |  Linear ball bearing KB-1 ISO series 1 premium with shields for shaft Ø 4mm |  Linear bearing unit KG-3-KST ISO series 3 with linear ball bearing with steel jacket sealed on both sides for schaft Ø 25mm |
|---|---|---|
| Price | $40.17cheapest | $70.54 |
| Seller | MÄDLER | MÄDLER |
| Availability | In stock | In stock |
| Rating | — | — |
| Weight | 1 g | 420 g |
| For shaft diameter | 4 mm | 25 mm |
| Height | — | 58 mm |
| Length | 12 mm | 58 mm |
| Load rating dynamic | 75 N | 1 330 N |
| Material | Plastic / Steel | Aluminum / Steel / Plastic |
| No of ball rows | 4 | — |
| Outer diameter | 8 mm | — |
| Static load rating | 60 N | 1 600 N |
| Surface | Blank | Blank |
| Width | — | 80 mm |
| View at seller ↗ | View at seller ↗ |
Specifications are extracted automatically from seller data — an empty cell means the seller does not publish that value, not that the product lacks it.
Robotitem does not test products. This comparison reports seller-published data only, and ranking never takes affiliate commission into account.