Name: National Seals 309 Ball Bearing
SKU: 309
Price: 75.49 USD
Availability: InStock

FEDERAL MOGUL-NATIONAL SEALS part description

Engineered for durability, you can depend on the National® ball bearing for optimal performance.

National® Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Premium bearing design matches OEM specifications
Precision manufactured using premium-grade steel for outstanding durability and performance
Controlled heat treating process for lasting performance and extended bearing life
Industry leading coverage
Professional technicians know they can depend on National

Part Specifications

Bore (Inch)	1.772
Bore (MM)	45
Design	Single Row Radial
Inner Race Bore (Inch)	1.772
Inner Race Bore (MM)	45
Inner Race Radius (Inch)	0.060
Inner Race Radius (MM)	1.520
Inner Race Width (Inch)	0.984
Inner Race Width (MM)	25
Outer Race Outside Diameter (Inch)	3.937
Outer Race Outside Diameter (MM)	100
Outer Race Radius (Inch)	0.060
Outer Race Radius (MM)	1.520
Outer Race Width (Inch)	0.984
Outer Race Width (MM)	25
Outside Diameter (Inch)	3.937
Outside Diameter (MM)	100
Part Description	Ball Bearing
Series	300
Type	A-1
Width (Inch)	0.984
Width (MM)	25

Product Description

Ball Bearing

Application Summary

2012-2019 Ram 2500 (Front Forward) (Drive: 4WD / Qualifier: with Borg-Warner 4447 Transfer Case, with Part Time 4WD, 2 Speed, with Borg-Warner 4446 Transfer Case, with Borg-Warner 4448 Transfer Case); 2012-2019 Ram 3500 (Front Forward) (Drive: 4WD / Qualifier: with Borg-Warner 4447 Transfer Case, with Part Time 4WD, 2 Speed, with Borg-Warner 4446 Transfer Case, with Borg-Warner 4448 Transfer Case); 2012-2018 Ram 4500 (Front Forward) (Drive: 4 X 4 / Qualifier: with Borg-Warner 4446 Transfer Case, with Part Time 4WD, 2 Speed, with Borg-Warner 4447 Transfer Case); 2012-2019 Ram 5500 (Front Forward) (Drive: 4 X 4 / Qualifier: with Borg-Warner 4446 Transfer Case, with Part Time 4WD, 2 Speed, with Borg-Warner 4447 Transfer Case, with Borg-Warner 4448 Transfer Case); 1971-1974 DeTomaso Pantera (Rear Outer) (Qualifier: with GT5-S Axle); 1980-1986 Nissan 720 (Inner) (Drive: 4WD / Qualifier: with Fuji Univance T100L Transfer Case, with Part Time 4WD, 2 Speed); 1987-1993 Mazda B2600 (Front) (Drive: 4WD / Qualifier: with Mazda R5MX-D Transfer Case, with Part Time 4WD, 2 Speed)

Features & Benefits

BUILT TO LAST -- Advanced heat treatment process for strength
PREMIUM MATERIALS -- Precision manufactured using premium-grade steel for lasting performance and extended bearing life
RELIABLE PERFORMANCE -- Element size and quantity are engineered to meet or exceed the load rating of OE bearings
COMPREHENSIVE COVERAGE -- Industry-leading coverage for domestic and import applications
RIGOROUS TESTING?--?Comprehensive?testing throughout design and development processes by National engineers for quality you can count on

Product Attributes

Bore (inch)	1.772 IN
Bore (mm)	45.000 MM
Design	Single Row Radial
Inner Race Bore (inch)	1.772 IN
Inner Race Bore (mm)	45.000 MM
Inner Race Radius (inch)	0.060 IN
Inner Race Radius (mm)	1.520 MM
Inner Race Width (inch)	0.984 IN
Inner Race Width (mm)	25.000 MM
Outer Race Outside Diameter (inch)	3.937 IN
Outer Race Outside Diameter (mm)	100.000 MM
Outer Race Radius (inch)	0.060 IN
Outer Race Radius (mm)	1.520 MM
Outer Race Width (inch)	0.984 IN
Outer Race Width (mm)	25.000 MM
Outside Diameter (inch)	3.937 IN
Outside Diameter (mm)	100.000 MM
Part Description	Ball Bearing
Series	300
Type	A-1
Width (inch)	0.984 IN
Width (mm)	25.000 MM

Additional Information

Country of Origin (Primary)	US
Harmonized Tariff Code (Schedule B)	8482105056
Harmonized Tariff Code (HTS)	8482105056
UPC	00724956088836

Part Interchanges

Fits Vehicles

Ram 5500 (2012-2019)
Ram 4500 (2012-2018)
Ram 3500 (2012-2019)
Ram 2500 (2012-2019)
Mazda B2600 (1987-1993)
DeTomaso Pantera (1971-1974)
Nissan 720 (1980-1986)

The National Seals® is a proud designer and supplier of wheel bearings and oil seals with a focus on quality, safety, and continuous improvement. The key to its success may be attributed to its hardworking and dedicated team of engineers who keep pace with the industry to provide premium wheel end solutions for light and commercial vehicle applications. Federal-Mogul acquired the National Seal Division of the National Motor Bearing Company only in 1942. But the brand National Seals has already cemented itself as one of the most respected names in the industry. Over the years, it has remained fully committed to providing only the highest quality seals and bearings that meet or exceed OE specifications.