R151 AX15 3-4 Hub (83506248) Toyota, Jeep Standard Transmission
Description
This gear is made from high-quality carburized alloy steel (SAE 8620 or SAE 4320H) and undergoes a case hardening heat treatment, achieving a tooth surface hardness of HRC 58–62. This effectively improves wear and impact resistance, extending service life. The external teeth are hobbed or precision-ground to ensure high-precision tooth contact and meshing efficiency.
Specification
Teeth number 39 / 30.
O.D 184 x 840.
Weight: 398g
Material: SCM415, SNCM220, SAE8620
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Model:83506248