# igus xiros 608 Polymer Ball Bearing

> igus xiros BB-608-B180-10-ES is a 608-size radial deep groove ball bearing made of polymer: 8 mm bore, 22 mm outer diameter, 7 mm wide, xirodur B180 rings, stainless steel balls and a PA cage. igus rates the B180 material for -40 to +80 °C and designs it for a hand press-fit into an H7 housing on an h6 shaft. Load ratings are not on the product page.

- Manufacturer: igus
- Part number: BB-608-B180-10-ES
- Category: Bearings
- Canonical page: https://www.xirkit.io/products/igus-xiros-608-polymer-ball-bearing-4361
- Structured JSON: https://www.xirkit.io/products/igus-xiros-608-polymer-ball-bearing-4361/data.json
- Source: Xirkit structured parts catalog — every value traced to a cited document; unknowns are explicit.

## Key specifications

| Property | Value |
| --- | --- |
| Bearing type | deep groove ball |
| Bore (ID) | 8 mm |
| Outer diameter | 22 mm |
| Width | 7 mm |
| Material | xirodur B180 polymer rings, stainless steel balls, PA cage |
| Dimensions | 22 × 22 × 7 mm |
| Operating temperature | -40 to 80 °C |

## Where to buy

| Supplier | Price | Stock | Checked | URL |
| --- | --- | --- | --- | --- |
| www.igus.com | 10.96 USD | in_stock | 2026-10-02 | https://www.igus.com/product/xiros_radial_B180_ES_PA?artnr=BB-608-B180-10-ES |

## FAQ

**How much does the igus xiros 608 Polymer Ball Bearing cost?**

From $10.96 at www.igus.com. Prices are observed unit prices before tax and shipping.

**What are the igus xiros 608 Polymer Ball Bearing dimensions?**

22 × 22 × 7 mm. A STEP model is available for enclosure fit checks.

**Where does this igus xiros 608 Polymer Ball Bearing data come from?**

Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.

## Sources

- [igus xiros 608 Polymer Ball Bearing datasheet](https://www.igus.com/product/xiros_radial_B180_ES_PA?artnr=BB-608-B180-10-ES)
- [www.igus.com listing](https://www.igus.com/product/xiros_radial_B180_ES_PA?artnr=BB-608-B180-10-ES)

## Part graph

### Alternatives (by use case)

- [goBILDA 8mm REX Flanged Bearing 14×5 mm (2-pack)](https://www.xirkit.io/products/gobilda-8mm-rex-flanged-bearing-14-5-mm-2-pack-1f40) — Both serve robot joints and actuation — check the trade-offs; $10.96 vs $5.99
- [goBILDA 12×32×10 mm Sealed Ball Bearing (2-pack)](https://www.xirkit.io/products/gobilda-12-32-10-mm-sealed-ball-bearing-2-pack-8aa3) — Both serve robot joints and actuation — check the trade-offs; $10.96 vs $7.99
- [goBILDA 12×32×10 mm Flanged Ball Bearing](https://www.xirkit.io/products/gobilda-12-32-10-mm-flanged-ball-bearing-be20) — Both serve robot joints and actuation — check the trade-offs; $10.96 vs $5.99
- [goBILDA 32×39×5 mm Flanged Ball Bearing](https://www.xirkit.io/products/gobilda-32-39-5-mm-flanged-ball-bearing-ed84) — Both serve robot joints and actuation — check the trade-offs; $10.96 vs $11.99

### Pin-compatible

- [goBILDA 8×22×7 mm Ball Bearing (2-pack)](https://www.xirkit.io/products/gobilda-8-22-7-mm-ball-bearing-2-pack-fd0e) — Same 608 envelope (8 mm bore, 22 mm OD, 7 mm wide) — a polymer, lubrication-free drop-in for the steel goBILDA bearing
