SKF 19277 Differential Pinion Seal Double Lip Oil Seal

The SKF 19277 is a premium double-lip oil seal designed specifically for differential pinion applications in automotive and light truck applications. This high-performance seal features a spring-loaded design with an auxiliary dust lip for superior protection against contamination while retaining lubricants effectively.

Key Specifications:

• Shaft Diameter: 1.937 inches (49.21mm)
• Outside Diameter: 2.813 inches (71.55mm)
• Overall Width: 0.500 inches (12.7mm)
• Design Type: HMSA23 with stepped inner diameter
• Seal Type: Double lip with garter spring
• Lip Material: Nitrile Rubber (NBR) for excellent wear resistance
• Metal case construction for rigid, durable mounting
• Temperature Range: -40°F to 250°F (-40°C to 121°C)
• Maximum Shaft Surface Speed: 3600 feet per minute
• Pressure Tolerance: 10 psi @ 0-1000 fpm

Design Features:

• Spring-loaded primary sealing lip maintains constant contact pressure
• Auxiliary dirt lip provides enhanced protection against external contaminants
• Metal-cased construction with stepped inner diameter for secure installation
• Deep-drawn steel case offers superior durability in demanding applications
• Premium nitrile rubber formulation ensures long service life

The SKF 19277 is engineered for use in differential pinion assemblies, transmissions, axles, pumps, motors, speed reducers, and various other rotating equipment applications. SKF's heritage in seal design dates back to 1928, and their seals continue to set industry standards for quality and reliability in keeping lubricants in and contaminants out.