Ordinary Release Bearing VKC3644

The DUHUI VKC3644 clutch release bearing is a direct-fit replacement engineered for Toyota Land Cruiser off-road vehicle applications. This clutch release bearing meets OE specifications including 31230-36160 and 31230-36161, providing dependable performance in the aftermarket.
Specifications
| Parameter | Value |
|---|---|
| DH Code | |
| Part Number | VKC3644 |
| Inside Diameter | 35.00 mm (1.378 inch) |
| Outside Diameter | 62.00 mm (2.441 inch) |
| Width | 18.00 mm (0.709 inch) |
| Type | Push-type |
| Material | Chrome steel bearing with reinforced polymer sleeve |
Important: All information on this page is for reference only. Please verify OE numbers, dimensions, and vehicle fitment against your original part before ordering. Contact us for fitment confirmation.
DH Code & OE Numbers & Reference Numbers
DH Code:
OE Numbers: 31230-36160, 31230-36161
Reference Numbers (Interchange):
SKF: VKC3644
Timken: 68SCRN46P
NTN: 68SCRN46P-4
Vehicle Fitment
TOYOTA: Land Cruiser (_J7_, _JL7_) 4.0 4×4 (1989-1997), Land Cruiser 80 (_J8_) 4.0 (FJ80) (1990-1992)
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Push-type release bearing configuration matches Toyota Land Cruiser clutch system specifications.
- Chrome steel raceway and ball elements provide consistent release force under repeated engagement cycles.
- Reinforced polymer guide sleeve reduces friction on the transmission input shaft.
- Direct OE replacement for 31230-36160 and 31230-36161 – installs with no modifications.
- Factory pre-lubricated with high-temperature grease for service-ready installation.
Installation Notes
- Inspect the clutch fork and pivot ball for wear before installing the new release bearing.
- Clean the input shaft sleeve thoroughly and check for scoring or burrs that could damage the bearing.
- Apply a light coat of high-temperature grease to the sleeve contact surface – avoid over-greasing.
- Torque the retaining bolts to Toyota factory specifications for secure attachment.
- Confirm clutch slave cylinder pushrod travel is within factory range to avoid over-travel.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces clutch release bearings to OE specifications. Contact us

