Engineered & supported in Hudson, Ohio since 2012330-633-7735 · info@slewpro.com
Potesta & Company
SlimPro
Silverthin™ Interchange — SealedFour-Point Contact (Type X)Silverthin™ JSB045XPO equivalent

SP-JSB045XPO Thin Section Bearing

4.5 in bore × 5.125 in OD × 0.3125 in cross section. A direct interchange for Silverthin™ JSB045XPO — same dimensions and mounting, with the Silverthin catalog's own published ratings.

Specifications

SlimPro part numberSP-JSB045XPO
Silverthin™ equivalentJSB045XPO
Kaydon® counterpart (identification only; ratings differ)JB045XP0
Product lineSilverthin™ Interchange — Sealed
Bearing typeFour-Point Contact (Type X)
SeriesSP-JSB Series (Silverthin interchange, sealed)
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)4.636
Land diameter L2 (in)4.862
Corner chamfer F, max. (in)0.04
Ball path diameter (in)4.749
Ball diameter (in)0.1562
Radial capacity — static (lbf)1,957
Radial capacity — dynamic (lbf)748
Thrust capacity — static (lbf)4,883
Thrust capacity — dynamic (lbf)1,855
Moment capacity — static (in-lb)4,690
Moment capacity — dynamic (in-lb)1,789
Limiting speed (rpm)Consult us (catalog: consult factory)
Max. no-load torque (in-oz)28
Approx. weight (lb)0.34

Capacities are catalog values for reference; contact us for life calculations under your loads.

Cross section

Four-Point Contact (Type X) cross section drawing

CAD & documents

Technical specification sheet (PDF)→CAD available on requestRequest CAD files→

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