NTN

Bearing

BK 3012

Drawn cup needle roller bearing with a closed end

NTN BK 3012

Specifications

Bore (d)30.000 mm
Outer Diameter (D)37.000 mm
Width (B)12.000 mm
Seal TypeOpen
Bearing TypeNeedle Roller
Dynamic Load (C)11.700 kN
Static Load (C₀)18.300 kN
Speed — Grease8,000 RPM
Speed — Oil9,000 RPM
Temperature Range-30°C to 120°C
Rows1
ClearanceCN/Normal

NTN 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
NTN BK 3012 — Specs, Cross-Reference & Price | BearingBrain