SKF 178X203X12HMSA10RG1 CR / HMS / HMSA radial shaft seal

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

Part Number
178X203X12HMSA10RG1 · HS 4016.93

SKF 178X203X12HMSA10RG1 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 178X203X12HMSA10RG1
HS code	4016.93
Shaft diameter	178 mm
Housing bore diameter	203 mm
Seal width	12 mm
Design	HMSA10
Auxiliary lip	Yes
Sealing lip material	Nitrile rubber (NBR)
Type of outside diameter	Rubber metal reinforced
Unit system	Metric
Product net weight	0.175 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 17820312101
Trelleborg 17820312101
Chesterton 17820312101
Garlock 17820312101
National 17820312101

Attached Documents

SKF 178X203X12HMSA10RG1 CR / HMS / HMSA radial shaft seal — Specification sheet