About the product
Enduro Bearings ACB4545 150 Headset Bearing 40 × 52 × 7mm
The Enduro Bearings ACB4545 150 is an angular contact ball bearing designed for bicycle headset applications. Its 45° × 45° contact angle supports smooth steering and reliable load distribution. Made from chrome steel with a black oxide finish, it offers durable performance for compatible headset assemblies.
Technical specifications
Type: Angular contact ball bearing
Application: Bicycle headset
Model: ACB4545 150
Inner diameter: 40 mm (1 1/2")
Outer diameter: 52 mm
Width: 7 mm
Contact angle: 45° × 45°
Bearing standard: ABEC 3
Material: Chrome steel
Finish: Black oxide
Static load rating: 5,560.3 N
Weight: 24 g
Manufacturer: Enduro Bearings
Item code: ENO280301
Model year: 2025
Collection: Full year
Activity: Cycling
GTIN: 810191010050