Open Linear ball bearing KB-3-O ISO series 3 premium with shields for shaft Ø 50mm vs Self-aligning open linear bearing KB-3-A ISO series 3 premium with seals for shaft Ø 30mm
Open Linear ball bearing KB-3-O ISO series 3 premium with shields for shaft Ø 50mm and Self-aligning open linear bearing KB-3-A ISO series 3 premium 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, Self-aligning open linear bearing KB-3-A ISO series 3 premium with seals for shaft Ø 30mm is €155.73 cheaper ($180.52).
| Criterion |  Open Linear ball bearing KB-3-O ISO series 3 premium with shields for shaft Ø 50mm |  Self-aligning open linear bearing KB-3-A ISO series 3 premium with seals for shaft Ø 30mm |
|---|---|---|
| Price | $360.26 | $180.52cheapest |
| Seller | MÄDLER | MÄDLER |
| Availability | Backorder | In stock |
| Rating | — | — |
| Weight | 390 g | 110 g |
| Angle | 50 ° | 50 ° |
| For shaft diameter | 50 mm | 30 mm |
| Length | 100 mm | 68 mm |
| Load rating dynamic | 13 400 N | 4 650 N |
| Material | Plastic / Steel | Plastic / Steel |
| Outer diameter | 75 mm | 47 mm |
| Static load rating | 12 200 N | 3 250 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.