FAG 33-41-1-090-505 Rear Wheel Bearing 45x85.05x41mm with ABS Sensor Ring

The FAG 33-41-1-090-505 (FAG part# 580191) is a precision-engineered rear wheel bearing designed to OEM specifications. Manufactured by FAG — a division of the Schaeffler Group and an original equipment supplier to BMW — this bearing delivers the same quality and fitment as the factory-installed unit.

Key Features:

• Dimensions: 45mm bore (inner diameter) x 85.05mm outer diameter x 41mm width
• Integrated ABS sensor ring with magnetic pulse generator for uninterrupted ABS functionality
• Pre-greased and sealed — no additional servicing or repacking required
• Manufactured to OEM tolerances by FAG (Schaeffler Group), a Tier 1 BMW supplier
• Sold individually; two bearings required per vehicle for a complete rear axle replacement

Part Numbers & Cross References:

• BMW OEM: 33-41-1-090-505 / 33411090505
• FAG / Schaeffler: 580191
• Additional Cross References: 33411137685, 33411468904, 33418310640, GRW193, 511026, WE60822

Installation Note: The red sealing ring must face outward during installation. Incorrect orientation will compromise ABS sensor function. Use of BMW factory installation tool 33 3 260 (83300492287) is recommended to ensure proper press-fit depth and bearing alignment.

FAG has been a leader in precision bearing manufacturing since 1883 and is a direct OEM supplier to BMW and other major automotive manufacturers worldwide. Choosing FAG ensures factory-grade reliability and a precise fit for a critical safety component.