Linear ball bearing KB-1 ISO series 1 premium with shields for shaft Ø 4mm vs Open Linear ball bearing KB-3-ST-O ISO series 3 sealed on both sides for shaft Ø 20mm
Linear ball bearing KB-1 ISO series 1 premium with shields for shaft Ø 4mm and Open Linear ball bearing KB-3-ST-O ISO series 3 sealed on both sides for shaft Ø 20mm are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Open Linear ball bearing KB-3-ST-O ISO series 3 sealed on both sides for shaft Ø 20mm is €14.99 cheaper ($22.87).
| Criterion |  Linear ball bearing KB-1 ISO series 1 premium with shields for shaft Ø 4mm |  Open Linear ball bearing KB-3-ST-O ISO series 3 sealed on both sides for shaft Ø 20mm |
|---|---|---|
| Price | $40.17 | $22.87cheapest |
| Seller | MÄDLER | MÄDLER |
| Availability | In stock | In stock |
| Rating | — | — |
| Weight | 1 g | 90 g |
| Angle | — | 60 ° |
| For shaft diameter | 4 mm | 20 mm |
| Length | 12 mm | 45 mm |
| Load rating dynamic | 75 N | 1 170 N |
| Material | Plastic / Steel | Plastic / Steel |
| No of ball rows | 4 | — |
| Outer diameter | 8 mm | 32 mm |
| Static load rating | 60 N | 1 400 N |
| 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.