Cr14Mo4V is a molybdenum containing high-grade steel, but also the world’s most widely used in a high-temperature bearing steel, in addition to a general bearing characteristics, but also has high dimensional stability, high temperature hardness, high temperature contact fatigue performance, Long-term use at temperatures below 315 ℃.

Chemical Composition of Cr14Mo4V Steel Material
0.75~0.85≤0.35≤0.35≤0.020≤0.0273.75 ~ 4.25≤0.20≤0.200.90 ~ 1.104.00 ~ 4.50

mechanical property:

Impact energy Akv (J): 9.8

Hardness: 65hrc

Heat treatment:

heat preservation at 1110 ± 5 ℃ for 15 ~ 20min and quenching; Preheat at 860 ℃ and temper at 530 ℃ for 3 times, 2h each time.

Features and Application


It has high dimensional stability at high temperature, high temperature hardness and high temperature contact fatigue performance. It is mainly used as aeroengine bearing and other high temperature resistant bearings.

Available Size

Round BarDiameter(mm): 6-800mm ,Length: 1000-9000mm or custom size
Plate/Flat/BlockThickness: 6mm-500mm , Width: 20mm-1000mm or custom size
Tolerance±1%,Thickness: +/-0.02mm, Width:+/-2mm