KOYO (JTEKT)

Bearing

LM 503349 A/310/QCL7C

Single row tapered roller bearing

KOYO (JTEKT) LM 503349 A/310/QCL7C

From ~$30.66at Zoro

Zoro·Amazon

Direct checkout is available only for fulfillment-ready partners. Use the supplier link above to purchase this listing or contact us for a verified quote.

Specifications

Bore (d)45.987 mm
Outer Diameter (D)74.975 mm
Width (B)18.000 mm
Seal TypeOpen
Bearing TypeTapered Roller
Dynamic Load (C)54.000 kN
Static Load (C₀)71.000 kN
Speed — Grease6,300 RPM
Speed — Oil8,500 RPM
Temperature Range-30°C to 120°C
Rows1
ClearanceCN/Normal

KOYO 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