Silverthin™ Interchange — OpenFour-Point Contact (Type X)Silverthin™ SB045XPO equivalent
SP-SB045XPO Thin Section Bearing
4.5 in bore × 5.125 in OD × 0.3125 in cross section. A direct interchange for Silverthin™ SB045XPO — same dimensions and mounting, with the Silverthin catalog's own published ratings.
Specifications
| SlimPro part number | SP-SB045XPO |
|---|---|
| Silverthin™ equivalent | SB045XPO |
| Kaydon® counterpart (identification only; ratings differ) | KB045XP0 |
| Product line | Silverthin™ Interchange — Open |
| Bearing type | Four-Point Contact (Type X) |
| Series | SP-SB Series (Silverthin interchange) |
| Bore (in) | 4.5 |
| Outside diameter (in) | 5.125 |
| Section width W, radial (in) | 0.3125 |
| Assembled height H, axial (in) | 0.3125 |
| Land diameter L1 (in) | 4.731 |
| Land diameter L2 (in) | 4.893 |
| Corner chamfer F, max. (in) | 0.04 |
| Ball path diameter (in) | 4.812 |
| Ball diameter (in) | 0.1562 |
| Radial capacity — static (lbf) | 1,959 |
| Radial capacity — dynamic (lbf) | 741 |
| Thrust capacity — static (lbf) | 4,880 |
| Thrust capacity — dynamic (lbf) | 1,854 |
| Moment capacity — static (in-lb) | 4,693 |
| Moment capacity — dynamic (in-lb) | 1,780 |
| Approx. weight (lb) | 0.33 |
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.