Pololu Ball Caster with 1/2″ Plastic Ball vs Nylon Spacer: 20mm Length, 5mm OD, 3.3mm ID (10-Pack)
Pololu Ball Caster with 1/2″ Plastic Ball and Nylon Spacer: 20mm Length, 5mm OD, 3.3mm ID (10-Pack) are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Nylon Spacer: 20mm Length, 5mm OD, 3.3mm ID (10-Pack) is €0.54 cheaper ($2.33).
| Criterion |  Pololu Ball Caster with 1/2″ Plastic Ball |  Nylon Spacer: 20mm Length, 5mm OD, 3.3mm ID (10-Pack) |
|---|---|---|
| Price | $2.95 | $2.33cheapest |
| Seller | Pololu | Pololu |
| Availability | In stock | In stock |
| Rating | — | — |
| Weight | 2 g | 2.8 g |
| Ball diameter | 0.5 in | — |
| Ball material | plastic | — |
| Inner diameter | — | 3.3 mm |
| Length | — | 20 mm |
| Outer diameter | — | 5 mm |
| Size | — | 5 x 20 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.