Silverthin™ Interchange — OpenFour-Point Contact (Type X)Silverthin™ SG180XPO equivalent
SP-SG180XPO Thin Section Bearing
18 in bore × 20 in OD × 1 in cross section. A direct interchange for Silverthin™ SG180XPO — same dimensions and mounting, with the Silverthin catalog's own published ratings.
Specifications
| SlimPro part number | SP-SG180XPO |
|---|---|
| Silverthin™ equivalent | SG180XPO |
| Kaydon® counterpart (identification only; ratings differ) | KG180XP0 |
| Product line | Silverthin™ Interchange — Open |
| Bearing type | Four-Point Contact (Type X) |
| Series | SP-SG Series (Silverthin interchange) |
| Bore (in) | 18 |
| Outside diameter (in) | 20 |
| Section width W, radial (in) | 1 |
| Assembled height H, axial (in) | 1 |
| Land diameter L1 (in) | 18.742 |
| Land diameter L2 (in) | 19.258 |
| Corner chamfer F, max. (in) | 0.08 |
| Ball path diameter (in) | 19 |
| Ball diameter (in) | 0.5 |
| Radial capacity — static (lbf) | 31,193 |
| Radial capacity — dynamic (lbf) | 10,963 |
| Thrust capacity — static (lbf) | 77,981 |
| Thrust capacity — dynamic (lbf) | 27,412 |
| Moment capacity — static (in-lb) | 296,302 |
| Moment capacity — dynamic (in-lb) | 104,101 |
| Note | Corner chamfer F is not printed for this series; .080 in. is carried from the equivalent 1.000 in. cross-section (referenced value). |
| Approx. weight (lb) | 13.7 |
Capacities are catalog values for reference; contact us for life calculations under your loads.
Cross section
CAD & documents
Talk to an engineer
Need help selecting the right part? Our engineers will size it, cross it, and quote it — usually within 1–2 business days.
Not in the catalog? We design to your application, with no engineering charge.