Rexroth R909154688 Tapered Roller Bearing

Key Specifications

• Manufacturer: Bosch Rexroth
• Part Number: R909154688
• Component Type: Front Drive Shaft Tapered Roller Bearing
• Pump Series Placement: Position 6.0 & 6.3 (Front Input Shaft Support)
• Outer Diameter (W): 125.00 mm
• Total Width / Height (H): 39.35 mm
• Inner Diameter / Bore (ID): 73.75 mm

Product Overview

The Bosch Rexroth R909154688 Tapered Roller Bearing stabilizes the main input shaft against heavy mechanical loads. It keeps the shaft perfectly centered under intense hydraulic pressures. The precision-angled rollers minimize rotational friction and heat buildup within the pump housing. This prevents shaft deflection, which can lead to premature seal blowout and internal component wear. Built by Bosch Rexroth to exact metallurgical standards, this genuine front bearing provides the exceptional fatigue resistance required for long-term reliability in demanding open and closed-loop hydrostatic systems.