Linear ball bearing KB-1 ISO series 1 premium with shields for shaft Ø 3mm vs Precision shaft block GW-3 ISO series 3 for shaft diameter 20mm
Linear ball bearing KB-1 ISO series 1 premium with shields for shaft Ø 3mm and Precision shaft block GW-3 ISO series 3 for shaft diameter 20mm are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Precision shaft block GW-3 ISO series 3 for shaft diameter 20mm is €2.00 cheaper ($39.92).
| Criterion |  Linear ball bearing KB-1 ISO series 1 premium with shields for shaft Ø 3mm |  Precision shaft block GW-3 ISO series 3 for shaft diameter 20mm |
|---|---|---|
| Price | $42.23 | $39.92cheapest |
| Seller | MÄDLER | MÄDLER |
| Availability | In stock | Backorder |
| Rating | — | — |
| Weight | 0.7 g | 170 g |
| For shaft diameter | 3 mm | 20 mm |
| Height | — | 50 mm |
| Length | 10 mm | 60 mm |
| Load rating dynamic | 60 N | — |
| Material | Plastic / Steel | Aluminum |
| No of ball rows | 4 | — |
| Outer diameter | 7 mm | — |
| Static load rating | 44 N | — |
| Surface | Blank | Blank |
| Width | — | 30 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.