SKF 34X52X8HMS4R cr / hms / hmsa radial shaft seal. SKF radial shaft seal for rotating-shaft primary containment against dust, splash and low-head oil pressure. Designation CR / HMS5 / HMSA10 / HMSA10RG (single lip, single lip with dust lip, double lip with garter spring). Elastomer standard nitrile (NBR) to ISO 6194-1 with metal case; hydrogenated nitrile (HNBR), fluoroelastomer (FKM / Viton), silicone (VMQ) and polyacrylate (ACM) available by suffix. Bore, outside diameter and width follow ISO 6194 / DIN 3760.
| Type | CR / HMS / HMSA radial shaft seal |
| Designation | SKF 34X52X8HMS4R |
| HS code | 4016.93 |
| Shaft diameter | 34 mm |
| Housing bore diameter | 52 mm |
| Seal width | 8 mm |
| Design | HMS4 |
| Sealing lip material | Nitrile rubber (NBR) |
| Product net weight | 0.0158 kg |
| eClass code | 23-07-08-01 |
| UNSPSC code | 31181602 |
| Material | As declared by SKF designation suffix |
| Temperature range | Per SKF product data |
| Primary standard | SKF designation convention (see description for governing ISO / DIN) |
| MOQ | 1 |
Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.