Timken

Bearing

BK 4020

Drawn cup needle roller bearing with a closed end

Timken BK 4020

Specifications

Bore (d)40.000 mm
Outer Diameter (D)47.000 mm
Width (B)20.000 mm
Seal TypeOpen
Bearing TypeNeedle Roller
Dynamic Load (C)24.200 kN
Static Load (C₀)53.000 kN
Speed — Grease6,300 RPM
Speed — Oil7,000 RPM
Temperature Range-30°C to 120°C
Rows1
ClearanceCN/Normal

Timken equivalent

Need help finding the right bearing?

Ask BearingBrain →

Need expert help with bearing selection, failure analysis, or application engineering?

Talk to a bearing engineer →

© 2026 BearingBrainMade by Adam