Open Linear ball bearing KB-3-O ISO series 3 premium with shields for shaft Ø 12mm vs Self-aligning linear bearing KB-3-A ISO series 3 premium stainless with seals for shaft Ø 20mm
Open Linear ball bearing KB-3-O ISO series 3 premium with shields for shaft Ø 12mm and Self-aligning linear bearing KB-3-A ISO series 3 premium stainless with seals 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, Self-aligning linear bearing KB-3-A ISO series 3 premium stainless with seals for shaft Ø 20mm is €0.78 cheaper ($95.90).
| Criterion |  Open Linear ball bearing KB-3-O ISO series 3 premium with shields for shaft Ø 12mm |  Self-aligning linear bearing KB-3-A ISO series 3 premium stainless with seals for shaft Ø 20mm |
|---|---|---|
| Price | $96.80 | $95.90cheapest |
| Seller | MÄDLER | MÄDLER |
| Availability | In stock | Backorder |
| Rating | — | — |
| Weight | 13 g | 55 g |
| Angle | 78 ° | — |
| For shaft diameter | 12 mm | 20 mm |
| Length | 32 mm | 45 mm |
| Load rating dynamic | 1 160 N | 2 550 N |
| Material | Plastic / Steel | Plastic / Stainless steel |
| Outer diameter | 22 mm | 32 mm |
| Static load rating | 980 N | 1 800 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.