Product Description
Toyota Bushing (OEM 00591-30446-81) is a press-fit, sintered bronze axle bushing with PTFE wear layer, designed for continuous duty in electric lift truck axle assemblies. Features exact fit dimensions, self-lubrication, and robust radial load handling for reliable, maintenance-free operation.
Specifications
Material & Construction
| Surface Hardness | Nominal Hardness: Rockwell C30 minimum |
| Finish | Factory applied dry film lubricant (PTFE) on bearing surface |
Mechanical Specifications
| Max PV Rating | Maximum PV (pressure velocity) rating: 1.5 MPa·m/s |
| Application Compatibility | Intended for use in Toyota electric lift truck models requiring 00591-30446-81 bushing |
Part Numbers
| OEM Part Number | 00591-30446-81 |
| Manufacturer Part Number | TO 00591-30446-81 |
Performance Specifications
| Duty Cycle | Continuous operation suitable, 100 cycles/hour |
Frequently Asked Questions
Q: What is the material composition of the TO 00591-30446-81 bushing?
A: The TO 00591-30446-81 is a sintered bronze press-fit bushing with a PTFE (polytetrafluoroethylene) wear layer applied as factory dry film lubricant. The sintered bronze provides load capacity while the PTFE layer reduces friction and wear.
Q: What is the maximum PV rating for this bushing?
A: The TO 00591-30446-81 has a maximum PV (pressure velocity) rating of 1.5 MPa·m/s. This rating indicates the bushing can handle the combined stress of radial load and rotational speed in electric lift truck axle duty without exceeding design limits.
Q: Is the TO 00591-30446-81 bushing self-lubricating?
A: Yes. The sintered bronze core provides inherent self-lubrication through porosity, and the PTFE dry film applied at the factory adds additional wear resistance. This design minimizes maintenance and eliminates the need for periodic grease relubrication in axle applications.
Q: What surface hardness specification does this bushing meet?
A: The TO 00591-30446-81 bushing has a nominal hardness of Rockwell C30 minimum. This hardness level provides adequate resistance to radial loading and bearing surface deformation during continuous duty in electric lift truck axle assemblies.
Q: Is this a press-fit or press-out bushing, and what does that mean for replacement?
A: The TO 00591-30446-81 is a press-fit bushing, meaning it is pressed into the axle bore with interference fit. Press-fit design ensures the bushing does not rotate or shift during operation, maintaining precise bore alignment and load distribution across the bushing surface.