SKF 38703 CR / HMS / HMSA radial shaft seal

SKF · Seals & Gaskets · Radial Shaft Seals · Sweden · skf.com

Part Number
38703 · HS 4016.93

SKF 38703 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.

Technical Specifications

Type

CR / HMS / HMSA radial shaft seal Designation: SKF 38703 HS code: 4016.93 Shaft diameter: 98.43 mm Housing bore diameter: 130.2 mm Seal width: 11.13 mm Limiting speed: 2040 r/min Maximum operating temperature: 100 °C minimum operating temperature: -40 °C Permissible circumferential speed: 10.6 m/s Rotational speed: 2040 r/min Design: CRWH1 Auxiliary lip: No Sealing lip material: Nitrile rubber (NBR) Type of outside diameter: Metal-cased with sealant coating on the outside diameter Unit system: Inch Product net weight: 0.134 kg eClass code: 23-07-08-01 UNSPSC code: 31181602

Properties

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

Compatibility

Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.

Cross-References

Freudenberg 38703
Trelleborg 38703
Chesterton 38703
Garlock 38703
National 38703

Attached Documents

SKF 38703 CR / HMS / HMSA radial shaft seal — Specification sheet