QU50693 Timken® Inner Pinion Bearing

QU50693 Timken® Inner Pinion Bearing for 1988-up GM Corporate or AAM 10-1/2″ full float rear axles in 2500 and 3500 series trucks. This is a First Class, original equipment quality bearing that meets or exceeds all vehicle manufacturer specifications making it the top choice for heavy-duty applications like yours. Country of origin may vary as Timken produces Bearings in plants located around the globe.

Need More Info? Use the handy Links below to access over 40 years of Dan’s product and vehicle specific Tech Notes to easily get the information you need for your vehicle’s repair, maintenance, or upgrade project!

Dan the Gear Man® Tech Notes:
1988 Designs
Matching Bearing
Install with Proper Tools
Applications

Tech Note 1: 1988 Designs
1988 R and V series, old square body style 3500 series Chevy and GMC trucks were built with both 1st and 2nd design, 14 Bolt full floating rear axles. This Bearing fits 2nd design axles that using an inner pinion bearing cup that is 3-3/4″ in diameter. First design axles have an inner pinion bearing cup diameter of 3-1/2″ and use Bearing QU50408.

Tech Note 2: Matching Bearing
Always replace the cup and cone at the same time. The matching Bearing Cone is QU50692.

Tech Note 3: Install with Proper Tools
Use QT1003 Bearing Installer to seat this bearing on your pinion gear.

Applications

Chevy/GMC:
2500 and 3500 with 14 Bolt 10.5″ Ring Gear 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010