Linear ball bearing KB-3 ISO series 3 premium with shields for shaft Ø 12mm vs Linear bearing unit KG-3-KO ISO series 3 with self-aligning linear ball bearing with seals for shaft Ø 30mm open design
Linear ball bearing KB-3 ISO series 3 premium with shields for shaft Ø 12mm and Linear bearing unit KG-3-KO ISO series 3 with self-aligning linear ball bearing with seals for shaft Ø 30mm open design 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-3 ISO series 3 premium with shields for shaft Ø 12mm is €35.33 cheaper ($66.22).
| Criterion |  Linear ball bearing KB-3 ISO series 3 premium with shields for shaft Ø 12mm |  Linear bearing unit KG-3-KO ISO series 3 with self-aligning linear ball bearing with seals for shaft Ø 30mm open design |
|---|---|---|
| Price | $66.22cheapest | $107.00 |
| Seller | MÄDLER | MÄDLER |
| Availability | In stock | In stock |
| Rating | — | — |
| Weight | 20 g | 780 g |
| For shaft diameter | 12 mm | 30 mm |
| Height | — | 60 mm |
| Length | 32 mm | 68 mm |
| Load rating dynamic | 1 370 N | 5 470 N |
| Material | Plastic / Steel | Aluminum / Plastic |
| No of ball rows | 5 | — |
| Outer diameter | 22 mm | — |
| Static load rating | 1 120 N | 6 810 N |
| Suitable snap ring din471 | 617 422 00 | — |
| Surface | Blank | Blank |
| Width | — | 88 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.