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NATIONAL 99166  
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NATIONAL 99166 Specifications
Flanged Outside Diameter (Inch)2.087
Flanged Outside Diameter (MM)53.010
Installation Depth (Inch)0.827
Installation Depth (MM)21.010
MaterialStainless Steel
Overall Width (Inch)0.571
Overall Width (MM)14.500
Product DescriptionRepair Sleeve
Shaft Size (Inch)1.653
Shaft Size (MM)42.000
Shaft Size Maximum (Inch)1.654
Shaft Size Maximum (MM)42.010
Shaft Size Minimum (Inch)1.647
Shaft Size Minimum (MM)41.830
Unit of DimensionInch
Width On Shaft (Inch)0.445
Width on Shaft (MM)11.300
National® Oil Seals & Bearings has built a reputation as one of the most respected names in the industry. They have offered premium sealing and wheel end solutions for more than 75 years. Their design and engineering teams keep pace with the industry and provide advanced solutions for today's vehicles.

Features & Benefits:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft

NATIONAL Warranty Information:
12 Months