NICE / APOLLO 72510003, Bushing, Gear Housing
The Nice Apollo 72510003 is a gear housing bushing used in compatible Apollo operator assemblies. In a gear housing, the bushing helps maintain alignment and provides a controlled wear surface for the drive components. When this bushing wears out, the operator may develop mechanical play, noise, gear misalignment, or rough movement that places extra stress on the motor and drive train.
This part is best ordered by part number and parts diagram because Apollo operators and actuator assemblies use more than one bushing style. It should not be swapped with the back housing bushing or with flange bearings used on shaft assemblies. Before replacing the bushing, the gear housing, shaft, gear set, seals, and mounting hardware should be checked so a worn adjoining component does not damage the new part.
Compatible With
- Select Nice Apollo gate operator gear housing assemblies requiring part 72510003
- Apollo actuator or operator service applications where the diagram lists 72510003 as the gear housing bushing
- Not a replacement for 72510001 back housing bushing
- Not a replacement for 72510000 4-bolt flange bearing
- Verify by parts diagram and housing style before ordering
Features and Specifications
| Manufacturer | Nice Apollo |
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| Product Type | Gear housing bushing |
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| Part Number | 72510003 |
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| Application | Gear housing support / wear surface |
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| Compatible Operator Type | Select Apollo gate operators and actuator assemblies |
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| Notes | Match by original part number and location |
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Also Known As / Related Part Numbers
- 72510003
- Nice Apollo 72510003
- Apollo 72510003 gear housing bushing
- Bushing, gear housing
- Related but different: 72510001 back housing bushing
Technician Note
A worn gear housing bushing is often a symptom of load, alignment, or lubrication problems. Inspect the drive train before assuming the bushing is the only failed part.
Before Ordering Checklist
- Confirm the parts diagram calls for 72510003.
- Verify this is the gear housing location, not the back housing.
- Inspect gears, shafts, seals, and housing wear.
- Check the gate for binding or excessive load.
- Do not substitute a visually similar bushing without matching dimensions and part number.
Professional Advisory
Gear housing service may require disassembly of drive components. If you are not familiar with Apollo operator mechanical service, use a qualified gate technician.
Important Ordering Warnings
Installing the wrong bushing can create misalignment and damage the gear housing or shaft.
Product Questions and Answers
What is 72510003?
It is a gear housing bushing for compatible Apollo gate operator assemblies.
Is it interchangeable with 72510001?
No. 72510001 is a back housing bushing, while 72510003 is for the gear housing location.
What symptoms suggest gear housing bushing wear?
Noise, looseness, rough movement, gear misalignment, and repeat mechanical wear can point to bushing issues.
Should I inspect other parts when replacing it?
Yes. Check the gear housing, shafts, gears, seals, and gate load before installing the new bushing.
How do I confirm compatibility?
Match the original part number, housing location, and operator parts diagram.
