SKF BR930621 Wheel Bearing and Hub Assembly - Front

SKF Front Wheel Bearing Hub Assembly BR930621

SKF BR930621 is a front wheel bearing and hub assembly engineered for BMW applications that demand precise wheel-end support and stable braking geometry. Built to SKF quality standards, this hub assembly reflects the brand’s long history in wheel end technology and OE-level manufacturing.

Key Features

• Front wheel bearing and hub assembly for BMW fitments
• SKF part number BR930621 for accurate catalog matching
• Wheel pilot diameter: 2.854
• Brake pilot diameter: 3.120
• Hub pilot diameter: 3.543
• Flange diameter: 5.787
• Flange offset: 2.007
• MOD-RECTAN flange shape for application-specific fitment
• Interchange reference: 31216765157

Detailed Description

SKF BR930621 is a front wheel bearing and hub assembly designed for BMW 1 Series, 3 Series, X1, and Z4 applications listed below. The dimensional specifications help ensure proper hub location, brake alignment, and wheel mounting interface, which are critical for smooth rotation and consistent front-end performance. SKF has supplied wheel bearing and hub assemblies as original equipment on millions of vehicles worldwide, and this replacement unit follows the same focus on precision and durability.

Compatible With BMW front applications including 2009-2016 Z4, 2013-2015 X1 with Sport Suspension, 2009-2013 125i, 2008-2013 128i, 2008-2013 135i, 2013 135is, 2007-2013 328i, 2007-2013 335i, 2011-2013 335is, 2012 120i, 2005-2010 120i, 2006-2011 323i, 2009-2011 335d, 2006-2010 130i, and 2006 325i. This part cross-references 31216765157 for the same application.

What It Helps Address

• Front wheel bearing noise or rough rotation
• Excessive hub play or looseness at the wheel end
• Brake rotor alignment concerns caused by worn hub components
• Vibration or instability related to hub wear
• Restoration of proper front wheel mounting surface condition

Installation Notes and Tips

Verify the vehicle’s year, model, and front suspension configuration before ordering, especially on 2013-2015 BMW X1 applications with Sport Suspension. Confirm pilot diameters, flange offset, and flange shape against the original part to ensure correct fitment. Clean the mounting surfaces thoroughly and inspect related components for wear before installation.

Quality Assurance

SKF manufactures wheel bearing and hub assemblies to high quality standards and has been a long-standing OE supplier in wheel-end technology. BR930621 is built for long service life and dependable front-end performance in the listed BMW applications.