Axle Preload and Backlash Specifications

Application	Specification
Backlash	0.1–0.23 mm	0.004–0.009 in
Backlash – Preferred	0.15–0.20 mm	0.006–0.008 in
Pinion Bearing Preload, New Bearings	2.9–3.9 Y	26–35 lb in
Pinion Bearing Preload, Used Bearings	1.1–2.3 Y	10–20 lb in
Pinion and Differential Case Bearing Preload, New Bearings	0.5–1.5 Y above pinion rolling torque	4–13 lb in above pinion rolling torque
Pinion and Differential Case Bearing Preload, Used Bearings	2.8–5.1 Y	25–45 lb in