ZF 635501938 – Tapered Roller Bearing 45×85×20 mm for Marine Gearboxes

ID 1232865

$ 158.75

1-2 weeks delivery time

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The ZF 635501938 is a 45×85×20 mm tapered roller bearing for marine propulsion and gear systems. Dynamic load: 56.7 kN. Static load: 72.3 kN. Max speed: 5000 RPM. C3 clearance. Open design. Oil or grease lubrication. Corrosion-resistant.

Description
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ZF 635501938 – Tapered Roller Bearing 45×85×20 mm for Marine Gearboxes

The ZF 635501938 is a precision-engineered tapered roller bearing designed for high-performance marine systems, including gearboxes and propulsion units. With dimensions of 45×85×20 mm, it handles both radial and axial loads efficiently. Built from case-hardened steel with a corrosion-resistant finish, it delivers reliable performance even in harsh saltwater environments. Its open design supports efficient lubrication and heat dissipation, while a C3 clearance ensures optimal functionality at high speeds. Ideal for yachts, boats, and marine equipment requiring dependable, low-maintenance operation.

Key Features:

Designed for radial and axial load handling in marine applications
High dynamic load rating: 56.7 kN
High static load rating: 72.3 kN
Open construction allows direct lubrication and heat management
Corrosion-resistant steel ensures long service life in saltwater conditions
Maximum speed: 5000 RPM (oil lubrication)
Case-hardened material for fatigue resistance
C3 clearance for thermal expansion and high-speed use

Specifications:

Part Number	ZF 635501938
Bearing Type	Tapered Roller Bearing
Inner Diameter (ID)	45 mm
Outer Diameter (OD)	85 mm
Width	20 mm
Dynamic Load Rating	56.7 kN
Static Load Rating	72.3 kN
Axial Load Capacity	34.0 kN
Radial Load Capacity	50.2 kN
Material	Case-hardened steel with corrosion-resistant coating
Lubrication	Oil or grease
Operating Temperature	-30°C to +120°C
Clearance	C3
Speed Rating	5000 RPM
Design	Open
Weight	2.0 kg

Applications:

Marine propulsion systems
ZF gearboxes
Yachts and commercial boats
Heavy-duty marine powertrains

Benefits:

High-speed, high-load performance
Handles combined axial and radial loads
Resistant to saltwater corrosion
Minimized friction and noise
Low maintenance and long service life
Excellent fit for ZF marine transmissions