RIGOROUS TESTING?--?Comprehensive?testing throughout design and development processes by National engineers for quality you can count on?
Wheel Bearing Collar
RELIABLE PERFORMANCE -- Element size and quantity are engineered to meet or exceed the load rating of OE bearings
Locking Collar
COMPREHENSIVE COVERAGE -- Industry-leading coverage for domestic and import applications
PREMIUM MATERIALS -- Precision manufactured using premium-grade steel for lasting performance and extended bearing life
Locking Collar
BUILT TO LAST -- Advanced heat treatment process for strength
Designed to meet or exceed OE quality, premium-quality bearings from National® are manufactured to exacting standards to deliver lasting performance and extended bearing life.
National 510121 Wheel Bearing Collar