Linear ball bearing KB-3 ISO series 3 premium with shields for shaft Ø 40mm vs Linear bearing unit KG-3-FT ISO series 3 with self-aligning linear ball bearings with seals for shaft Ø 30mm
Linear ball bearing KB-3 ISO series 3 premium with shields for shaft Ø 40mm and Linear bearing unit KG-3-FT ISO series 3 with self-aligning linear ball bearings with seals for shaft Ø 30mm 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 40mm is €90.19 cheaper ($164.28).
| Criterion |  Linear ball bearing KB-3 ISO series 3 premium with shields for shaft Ø 40mm |  Linear bearing unit KG-3-FT ISO series 3 with self-aligning linear ball bearings with seals for shaft Ø 30mm |
|---|---|---|
| Price | $164.28cheapest | $268.32 |
| Seller | MÄDLER | MÄDLER |
| Availability | In stock | In stock |
| Rating | — | — |
| Weight | 205 g | 11.5 kg |
| For shaft diameter | 40 mm | 30 mm |
| Length | 80 mm | 152 mm |
| Load rating dynamic | 11 200 N | 10 940 N |
| Material | Plastic / Steel | Aluminum / Plastic |
| No of ball rows | 6 | — |
| Outer diameter | 62 mm | — |
| Static load rating | 8 300 N | 13 620 N |
| Suitable snap ring din471 | 617 462 00 | — |
| Surface | Blank | Blank |
| 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.